diff --git a/README.md b/README.md
index 102dc4b..2cc1f62 100644
--- a/README.md
+++ b/README.md
@@ -26,10 +26,13 @@ docker-compose -f ./docker/monitoring-compose.yml up
 ```
 Root
 ├── apps ( spring-applications )
-│   └── 📦 commerce-api
+│   ├── 📦 commerce-api
+│   ├── 📦 commerce-streamer
+│   └── 📦 pg-simulator
 ├── modules ( reusable-configurations )
 │   ├── 📦 jpa
 │   ├── 📦 redis
+│   ├── 📦 kafka
 │   ├── 📦 feign
 │   └── 📦 resilience4j
 └── supports ( add-ons )
diff --git a/apps/commerce-api/src/main/java/com/loopers/application/product/ProductFacade.java b/apps/commerce-api/src/main/java/com/loopers/application/product/ProductFacade.java
index 9420c52..6a1b69c 100644
--- a/apps/commerce-api/src/main/java/com/loopers/application/product/ProductFacade.java
+++ b/apps/commerce-api/src/main/java/com/loopers/application/product/ProductFacade.java
@@ -5,6 +5,8 @@
 import com.loopers.domain.brand.BrandService;
 import com.loopers.domain.product.ProductResult;
 import com.loopers.domain.product.ProductService;
+import com.loopers.domain.ranking.RankingCommand;
+import com.loopers.domain.ranking.RankingService;
 import com.loopers.domain.user.UserService;
 import com.loopers.support.error.BusinessException;
 import com.loopers.support.error.CommonErrorType;
@@ -16,6 +18,7 @@
 import org.springframework.stereotype.Component;
 import org.springframework.util.StringUtils;
 
+import java.time.LocalDate;
 import java.util.Optional;
 
 @Component
@@ -24,6 +27,7 @@ public class ProductFacade {
 
     private final ProductService productService;
     private final BrandService brandService;
+    private final RankingService rankingService;
     private final UserService userService;
 
     @Qualifier(TaskExecutionAutoConfiguration.APPLICATION_TASK_EXECUTOR_BEAN_NAME)
@@ -38,6 +42,9 @@ public ProductOutput.GetProductDetail getProductDetail(ProductInput.GetProductDe
 
         BrandResult.GetBrand brand = brandService.getBrand(detail.brandId()).orElse(null);
 
+        RankingCommand.FindRank rankCommand = new RankingCommand.FindRank(LocalDate.now(), productId);
+        Long rank = rankingService.findRank(rankCommand).orElse(null);
+
         // 회원이면 상품 조회 이벤트를 발행한다.
         Optional.ofNullable(input.getUserName())
                 .filter(StringUtils::hasText)
@@ -48,7 +55,7 @@ public ProductOutput.GetProductDetail getProductDetail(ProductInput.GetProductDe
                                 ))
                 ));
 
-        return ProductOutput.GetProductDetail.from(detail, brand);
+        return ProductOutput.GetProductDetail.from(detail, brand, rank);
     }
 
 }
diff --git a/apps/commerce-api/src/main/java/com/loopers/application/product/ProductOutput.java b/apps/commerce-api/src/main/java/com/loopers/application/product/ProductOutput.java
index 2621bfb..68e91cd 100644
--- a/apps/commerce-api/src/main/java/com/loopers/application/product/ProductOutput.java
+++ b/apps/commerce-api/src/main/java/com/loopers/application/product/ProductOutput.java
@@ -25,11 +25,15 @@ public static class GetProductDetail {
         private final String brandName;
         @Nullable
         private final String brandDescription;
+        @Nullable
+        private final Long rank;
 
         public static GetProductDetail from(
                 ProductResult.GetProductDetail product,
                 @Nullable
-                BrandResult.GetBrand brand
+                BrandResult.GetBrand brand,
+                @Nullable
+                Long rank
         ) {
             return GetProductDetail.builder()
                     .productId(product.productId())
@@ -40,6 +44,7 @@ public static GetProductDetail from(
                     .brandId(brand == null ? null : brand.getBrandId())
                     .brandName(brand == null ? null : brand.getBrandName())
                     .brandDescription(brand == null ? null : brand.getBrandDescription())
+                    .rank(rank)
                     .build();
         }
 
diff --git a/apps/commerce-api/src/main/java/com/loopers/application/ranking/RankingFacade.java b/apps/commerce-api/src/main/java/com/loopers/application/ranking/RankingFacade.java
new file mode 100644
index 0000000..d41c521
--- /dev/null
+++ b/apps/commerce-api/src/main/java/com/loopers/application/ranking/RankingFacade.java
@@ -0,0 +1,41 @@
+package com.loopers.application.ranking;
+
+import com.loopers.domain.product.ProductResult;
+import com.loopers.domain.product.ProductService;
+import com.loopers.domain.ranking.RankingCommand;
+import com.loopers.domain.ranking.RankingResult;
+import com.loopers.domain.ranking.RankingService;
+import com.loopers.support.error.BusinessException;
+import com.loopers.support.error.CommonErrorType;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.util.CollectionUtils;
+
+import java.util.List;
+
+@Service
+@RequiredArgsConstructor
+public class RankingFacade {
+
+    private final RankingService rankingService;
+    private final ProductService productService;
+
+    public RankingOutput.SearchRankings searchRankings(RankingInput.SearchRankings input) {
+        RankingCommand.SearchRanks rankCommand = new RankingCommand.SearchRanks(input.date(), input.page(), input.size());
+        RankingResult.SearchRanks ranks = rankingService.searchRanks(rankCommand);
+
+        if (CollectionUtils.isEmpty(ranks.items())) {
+            return RankingOutput.SearchRankings.empty(ranks);
+        }
+
+        List<ProductResult.GetProductDetail> details = ranks.items()
+                .stream()
+                .map(rank -> productService.getProductDetail(rank.productId())
+                        .orElseThrow(() -> new BusinessException(CommonErrorType.NOT_FOUND))
+                )
+                .toList();
+
+        return RankingOutput.SearchRankings.from(ranks, details);
+    }
+
+}
diff --git a/apps/commerce-api/src/main/java/com/loopers/application/ranking/RankingInput.java b/apps/commerce-api/src/main/java/com/loopers/application/ranking/RankingInput.java
new file mode 100644
index 0000000..a2be596
--- /dev/null
+++ b/apps/commerce-api/src/main/java/com/loopers/application/ranking/RankingInput.java
@@ -0,0 +1,14 @@
+package com.loopers.application.ranking;
+
+import java.time.LocalDate;
+
+public record RankingInput() {
+
+    public record SearchRankings(
+            LocalDate date,
+            Integer page,
+            Integer size
+    ) {
+    }
+
+}
diff --git a/apps/commerce-api/src/main/java/com/loopers/application/ranking/RankingOutput.java b/apps/commerce-api/src/main/java/com/loopers/application/ranking/RankingOutput.java
new file mode 100644
index 0000000..96138da
--- /dev/null
+++ b/apps/commerce-api/src/main/java/com/loopers/application/ranking/RankingOutput.java
@@ -0,0 +1,51 @@
+package com.loopers.application.ranking;
+
+import com.loopers.domain.product.ProductResult;
+import com.loopers.domain.ranking.RankingResult;
+
+import java.util.List;
+
+public record RankingOutput() {
+
+    public record SearchRankings(
+            Integer totalPages,
+            Long totalItems,
+            Integer page,
+            Integer size,
+            List<Item> items
+    ) {
+        public static SearchRankings empty(RankingResult.SearchRanks result) {
+            return new SearchRankings(result.totalPages(), result.totalItems(), result.page(), result.size(), List.of());
+        }
+
+        public static SearchRankings from(RankingResult.SearchRanks ranks, List<ProductResult.GetProductDetail> details) {
+            return new SearchRankings(
+                    ranks.totalPages(),
+                    ranks.totalItems(),
+                    ranks.page(),
+                    ranks.size(),
+                    details.stream()
+                            .map(detail -> new Item(
+                                    detail.productId(),
+                                    detail.productName(),
+                                    detail.basePrice(),
+                                    detail.likeCount(),
+                                    detail.brandId(),
+                                    detail.brandName()
+                            ))
+                            .toList()
+            );
+        }
+
+        public record Item(
+                Long productId,
+                String productName,
+                Integer basePrice,
+                Long likeCount,
+                Long brandId,
+                String brandName
+        ) {
+        }
+    }
+
+}
diff --git a/apps/commerce-api/src/main/java/com/loopers/domain/product/ProductCacheRepository.java b/apps/commerce-api/src/main/java/com/loopers/domain/product/ProductCacheRepository.java
index c366804..6efae37 100644
--- a/apps/commerce-api/src/main/java/com/loopers/domain/product/ProductCacheRepository.java
+++ b/apps/commerce-api/src/main/java/com/loopers/domain/product/ProductCacheRepository.java
@@ -13,11 +13,11 @@ void saveProducts(
             Page<ProductQueryResult.Products> page
     );
 
-    Optional<ProductQueryResult.ProductDetail> findProductDetailById(Long productId);
+    Optional<ProductQueryResult.ProductDetail> findDetail(Long productId);
 
-    void saveProductDetail(
+    void saveDetail(
             Long productId,
-            ProductQueryResult.ProductDetail productDetail
+            ProductQueryResult.ProductDetail detail
     );
 
 }
diff --git a/apps/commerce-api/src/main/java/com/loopers/domain/product/ProductQueryResult.java b/apps/commerce-api/src/main/java/com/loopers/domain/product/ProductQueryResult.java
index 0098fed..d37dbf3 100644
--- a/apps/commerce-api/src/main/java/com/loopers/domain/product/ProductQueryResult.java
+++ b/apps/commerce-api/src/main/java/com/loopers/domain/product/ProductQueryResult.java
@@ -1,70 +1,56 @@
 package com.loopers.domain.product;
 
-import lombok.*;
-
 import java.util.List;
 
-@NoArgsConstructor(access = AccessLevel.PRIVATE)
-public final class ProductQueryResult {
+public record ProductQueryResult() {
 
-    @Getter
-    @Builder
-    @RequiredArgsConstructor(access = AccessLevel.PRIVATE)
-    public static class Products {
-        private final Long productId;
-        private final String productName;
-        private final Integer basePrice;
-        private final Long likeCount;
-        private final Long brandId;
-        private final String brandName;
+    public record Products(
+            Long productId,
+            String productName,
+            Integer basePrice,
+            Long likeCount,
+            Long brandId,
+            String brandName
+    ) {
     }
 
     // -------------------------------------------------------------------------------------------------
 
-    @Getter
-    @Builder
-    @RequiredArgsConstructor(access = AccessLevel.PRIVATE)
-    public static class ProductDetail {
+    public record ProductDetail(
+            Long productId,
+            String productName,
+            Integer basePrice,
+            Long likeCount,
+            Long brandId,
+            String brandName,
+            List<Option> options
+    ) {
         /**
          * For preventing cache penetration.
          */
-        public static final ProductDetail EMPTY = ProductDetail.builder().build();
-
-        private final Long productId;
-        private final String productName;
-        private final Integer basePrice;
-        private final Long likeCount;
-        private final Long brandId;
-        private final List<Option> options;
-
-        @Getter
-        @Builder
-        @RequiredArgsConstructor(access = AccessLevel.PRIVATE)
-        public static class Option {
-            private final Long productOptionId;
-            private final String productOptionName;
-            private final Integer additionalPrice;
-            private final Long productId;
-            private final Integer stockQuantity;
+        public static final ProductDetail EMPTY = new ProductDetail(null, null, null, null, null, null, null);
+
+        public record Option(
+                Long productOptionId,
+                String productOptionName,
+                Integer additionalPrice,
+                Long productId,
+                Integer stockQuantity
+        ) {
         }
     }
 
     // -------------------------------------------------------------------------------------------------
 
-    @Getter
-    @Builder
-    @RequiredArgsConstructor(access = AccessLevel.PRIVATE)
-    public static class ProductOptions {
-        private final List<Item> items;
-
-        @Getter
-        @Builder
-        @RequiredArgsConstructor(access = AccessLevel.PRIVATE)
-        public static class Item {
-            private final Long productOptionId;
-            private final Integer salePrice;
-            private final Integer stockQuantity;
-            private final Long productId;
+    public record ProductOptions(
+            List<Item> items
+    ) {
+        public record Item(
+                Long productOptionId,
+                Integer salePrice,
+                Integer stockQuantity,
+                Long productId
+        ) {
         }
     }
 
diff --git a/apps/commerce-api/src/main/java/com/loopers/domain/product/ProductRepository.java b/apps/commerce-api/src/main/java/com/loopers/domain/product/ProductRepository.java
index 2927781..7e31fa9 100644
--- a/apps/commerce-api/src/main/java/com/loopers/domain/product/ProductRepository.java
+++ b/apps/commerce-api/src/main/java/com/loopers/domain/product/ProductRepository.java
@@ -9,9 +9,9 @@ public interface ProductRepository {
 
     Page<ProductQueryResult.Products> searchProducts(ProductQueryCommand.SearchProducts command);
 
-    Optional<ProductQueryResult.ProductDetail> findProductDetailById(Long productId);
+    Optional<ProductQueryResult.ProductDetail> findDetail(Long productId);
 
-    Optional<ProductQueryResult.ProductOptions> findProductOptionsByIds(List<Long> productOptionIds);
+    Optional<ProductQueryResult.ProductOptions> findOptions(List<Long> productOptionIds);
 
     Optional<Product> findProductForUpdate(Long productId);
 
diff --git a/apps/commerce-api/src/main/java/com/loopers/domain/product/ProductResult.java b/apps/commerce-api/src/main/java/com/loopers/domain/product/ProductResult.java
index 6d85483..737d51c 100644
--- a/apps/commerce-api/src/main/java/com/loopers/domain/product/ProductResult.java
+++ b/apps/commerce-api/src/main/java/com/loopers/domain/product/ProductResult.java
@@ -25,12 +25,12 @@ public static SearchProducts from(Page<ProductQueryResult.Products> page) {
                     .page(page.getPageable().getPageNumber())
                     .size(page.getPageable().getPageSize())
                     .items(page.map(content -> Item.builder()
-                                            .productId(content.getProductId())
-                                            .productName(content.getProductName())
-                                            .basePrice(content.getBasePrice())
-                                            .likeCount(content.getLikeCount())
-                                            .brandId(content.getBrandId())
-                                            .brandName(content.getBrandName())
+                                            .productId(content.productId())
+                                            .productName(content.productName())
+                                            .basePrice(content.basePrice())
+                                            .likeCount(content.likeCount())
+                                            .brandId(content.brandId())
+                                            .brandName(content.brandName())
                                             .build()
                                     )
                                     .toList()
@@ -59,16 +59,18 @@ public record GetProductDetail(
             Integer basePrice,
             Long likeCount,
             Long brandId,
+            String  brandName,
             List<Option> options
     ) {
         public static GetProductDetail from(ProductQueryResult.ProductDetail queryResult) {
             return new GetProductDetail(
-                    queryResult.getProductId(),
-                    queryResult.getProductName(),
-                    queryResult.getBasePrice(),
-                    queryResult.getLikeCount(),
-                    queryResult.getBrandId(),
-                    queryResult.getOptions().stream().map(Option::from).toList()
+                    queryResult.productId(),
+                    queryResult.productName(),
+                    queryResult.basePrice(),
+                    queryResult.likeCount(),
+                    queryResult.brandId(),
+                    queryResult.brandName(),
+                    queryResult.options().stream().map(Option::from).toList()
             );
         }
 
@@ -81,11 +83,11 @@ public record Option(
         ) {
             public static Option from(ProductQueryResult.ProductDetail.Option item) {
                 return new Option(
-                        item.getProductOptionId(),
-                        item.getProductOptionName(),
-                        item.getAdditionalPrice(),
-                        item.getProductId(),
-                        item.getStockQuantity()
+                        item.productOptionId(),
+                        item.productOptionName(),
+                        item.additionalPrice(),
+                        item.productId(),
+                        item.stockQuantity()
                 );
             }
         }
@@ -101,7 +103,7 @@ public static class GetProductOptions {
 
         public static GetProductOptions from(ProductQueryResult.ProductOptions queryResult) {
             return GetProductOptions.builder()
-                    .items(queryResult.getItems().stream().map(Item::from).toList())
+                    .items(queryResult.items().stream().map(Item::from).toList())
                     .build();
         }
 
@@ -116,10 +118,10 @@ public static class Item {
 
             public static Item from(ProductQueryResult.ProductOptions.Item item) {
                 return Item.builder()
-                        .productOptionId(item.getProductOptionId())
-                        .salePrice(item.getSalePrice())
-                        .stockQuantity(item.getStockQuantity())
-                        .productId(item.getProductId())
+                        .productOptionId(item.productOptionId())
+                        .salePrice(item.salePrice())
+                        .stockQuantity(item.stockQuantity())
+                        .productId(item.productId())
                         .build();
             }
         }
diff --git a/apps/commerce-api/src/main/java/com/loopers/domain/product/ProductService.java b/apps/commerce-api/src/main/java/com/loopers/domain/product/ProductService.java
index 175cfb0..13f078e 100644
--- a/apps/commerce-api/src/main/java/com/loopers/domain/product/ProductService.java
+++ b/apps/commerce-api/src/main/java/com/loopers/domain/product/ProductService.java
@@ -61,10 +61,10 @@ public Optional<ProductResult.GetProductDetail> getProductDetail(Long productId)
         }
 
         return CacheAside
-                .lookupCache(() -> productCacheRepository.findProductDetailById(productId))
+                .lookupCache(() -> productCacheRepository.findDetail(productId))
                 .isNullObject(detail -> Objects.equals(detail, ProductQueryResult.ProductDetail.EMPTY))
-                .lookupFallback(() -> productRepository.findProductDetailById(productId))
-                .saveCache(detail -> productCacheRepository.saveProductDetail(productId, detail))
+                .lookupFallback(() -> productRepository.findDetail(productId))
+                .saveCache(detail -> productCacheRepository.saveDetail(productId, detail))
                 .getAsOptional()
                 .map(ProductResult.GetProductDetail::from);
     }
@@ -75,7 +75,7 @@ public Optional<ProductResult.GetProductOptions> getProductOptions(List<Long> pr
             return Optional.empty();
         }
 
-        return productRepository.findProductOptionsByIds(productOptionIds)
+        return productRepository.findOptions(productOptionIds)
                 .map(ProductResult.GetProductOptions::from);
     }
 
diff --git a/apps/commerce-api/src/main/java/com/loopers/domain/ranking/RankingCommand.java b/apps/commerce-api/src/main/java/com/loopers/domain/ranking/RankingCommand.java
new file mode 100644
index 0000000..bdabe05
--- /dev/null
+++ b/apps/commerce-api/src/main/java/com/loopers/domain/ranking/RankingCommand.java
@@ -0,0 +1,22 @@
+package com.loopers.domain.ranking;
+
+import java.time.LocalDate;
+
+public record RankingCommand() {
+
+    public record FindRank(
+            LocalDate date,
+            Long productId
+    ) {
+    }
+
+    // -------------------------------------------------------------------------------------------------
+
+    public record SearchRanks(
+            LocalDate date,
+            Integer page,
+            Integer size
+    ) {
+    }
+
+}
diff --git a/apps/commerce-api/src/main/java/com/loopers/domain/ranking/RankingQueryResult.java b/apps/commerce-api/src/main/java/com/loopers/domain/ranking/RankingQueryResult.java
new file mode 100644
index 0000000..a47f588
--- /dev/null
+++ b/apps/commerce-api/src/main/java/com/loopers/domain/ranking/RankingQueryResult.java
@@ -0,0 +1,11 @@
+package com.loopers.domain.ranking;
+
+public record RankingQueryResult() {
+
+    public record SearchRanks(
+            Long productId,
+            Long rank
+    ) {
+    }
+
+}
diff --git a/apps/commerce-api/src/main/java/com/loopers/domain/ranking/RankingRepository.java b/apps/commerce-api/src/main/java/com/loopers/domain/ranking/RankingRepository.java
new file mode 100644
index 0000000..567f291
--- /dev/null
+++ b/apps/commerce-api/src/main/java/com/loopers/domain/ranking/RankingRepository.java
@@ -0,0 +1,15 @@
+package com.loopers.domain.ranking;
+
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+
+import java.time.LocalDate;
+import java.util.Optional;
+
+public interface RankingRepository {
+
+    Optional<Long> findRank(LocalDate date, Long productId);
+
+    Page<RankingQueryResult.SearchRanks> searchRanks(LocalDate date, Pageable pageable);
+
+}
diff --git a/apps/commerce-api/src/main/java/com/loopers/domain/ranking/RankingResult.java b/apps/commerce-api/src/main/java/com/loopers/domain/ranking/RankingResult.java
new file mode 100644
index 0000000..33827d5
--- /dev/null
+++ b/apps/commerce-api/src/main/java/com/loopers/domain/ranking/RankingResult.java
@@ -0,0 +1,39 @@
+package com.loopers.domain.ranking;
+
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageRequest;
+import org.springframework.data.domain.Pageable;
+
+import java.util.List;
+
+public record RankingResult() {
+
+    public record SearchRanks(
+            Integer totalPages,
+            Long totalItems,
+            Integer page,
+            Integer size,
+            List<Item> items
+    ) {
+        public static SearchRanks from(Page<RankingQueryResult.SearchRanks> page, Pageable pageable) {
+            return new SearchRanks(
+                    page.getTotalPages(),
+                    page.getTotalElements(),
+                    pageable.getPageNumber(),
+                    pageable.getPageSize(),
+                    page.map(result -> new Item(result.productId(), result.rank())).toList()
+            );
+        }
+
+        public Pageable pageable() {
+            return PageRequest.of(page, size);
+        }
+
+        public record Item(
+                Long productId,
+                Long rank
+        ) {
+        }
+    }
+
+}
diff --git a/apps/commerce-api/src/main/java/com/loopers/domain/ranking/RankingService.java b/apps/commerce-api/src/main/java/com/loopers/domain/ranking/RankingService.java
new file mode 100644
index 0000000..acb94b6
--- /dev/null
+++ b/apps/commerce-api/src/main/java/com/loopers/domain/ranking/RankingService.java
@@ -0,0 +1,33 @@
+package com.loopers.domain.ranking;
+
+import com.loopers.annotation.ReadOnlyTransactional;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageRequest;
+import org.springframework.data.domain.Pageable;
+import org.springframework.stereotype.Service;
+
+import java.util.Optional;
+
+@Slf4j
+@Service
+@RequiredArgsConstructor
+public class RankingService {
+
+    private final RankingRepository rankingRepository;
+
+    @ReadOnlyTransactional
+    public Optional<Long> findRank(RankingCommand.FindRank command) {
+        return rankingRepository.findRank(command.date(), command.productId());
+    }
+
+    @ReadOnlyTransactional
+    public RankingResult.SearchRanks searchRanks(RankingCommand.SearchRanks command) {
+        Pageable pageable = PageRequest.of(command.page(), command.size());
+        Page<RankingQueryResult.SearchRanks> page = rankingRepository.searchRanks(command.date(), pageable);
+
+        return RankingResult.SearchRanks.from(page, pageable);
+    }
+
+}
diff --git a/apps/commerce-api/src/main/java/com/loopers/infrastructure/product/ProductCacheRepositoryImpl.java b/apps/commerce-api/src/main/java/com/loopers/infrastructure/product/ProductCacheRepositoryImpl.java
index b859136..83d5b1d 100644
--- a/apps/commerce-api/src/main/java/com/loopers/infrastructure/product/ProductCacheRepositoryImpl.java
+++ b/apps/commerce-api/src/main/java/com/loopers/infrastructure/product/ProductCacheRepositoryImpl.java
@@ -1,9 +1,8 @@
 package com.loopers.infrastructure.product;
 
-import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.core.type.TypeReference;
-import com.fasterxml.jackson.databind.ObjectMapper;
 import com.loopers.config.RedisCacheConfig;
+import com.loopers.config.jackson.WrappedObjectMapper;
 import com.loopers.domain.product.ProductCacheRepository;
 import com.loopers.domain.product.ProductQueryCommand;
 import com.loopers.domain.product.ProductQueryResult;
@@ -12,7 +11,6 @@
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.PageImpl;
 import org.springframework.data.domain.PageRequest;
-import org.springframework.data.redis.core.RedisTemplate;
 import org.springframework.data.redis.core.StringRedisTemplate;
 import org.springframework.stereotype.Repository;
 import org.springframework.util.CollectionUtils;
@@ -28,9 +26,8 @@
 @RequiredArgsConstructor
 public class ProductCacheRepositoryImpl implements ProductCacheRepository {
 
-    private final RedisTemplate<String, Object> objectRedisTemplate;
     private final StringRedisTemplate stringRedisTemplate;
-    private final ObjectMapper objectMapper;
+    private final WrappedObjectMapper wrappedObjectMapper;
 
     @Override
     public Page<ProductQueryResult.Products> searchProducts(ProductQueryCommand.SearchProducts command) {
@@ -60,12 +57,10 @@ public Page<ProductQueryResult.Products> searchProducts(ProductQueryCommand.Sear
             return Page.empty(pageRequest);
         }
 
-        try {
-            return objectMapper.readValue(json, new TypeReference<PageImpl<ProductQueryResult.Products>>() {
-            });
-        } catch (JsonProcessingException ignored) {
-            return Page.empty(pageRequest);
-        }
+        PageImpl<ProductQueryResult.Products> page = wrappedObjectMapper.readValue(json, new TypeReference<>() {
+        });
+
+        return page == null ? Page.empty(pageRequest) : page;
     }
 
     @Override
@@ -80,13 +75,7 @@ public void saveProducts(
             return;
         }
 
-        String json;
-        try {
-            json = objectMapper.writeValueAsString(page);
-        } catch (JsonProcessingException e) {
-            throw new RuntimeException(e);
-        }
-
+        String json = wrappedObjectMapper.writeValueAsString(page);
         String key = "product.page:" + Objects.hash(
                 command.getKeyword(),
                 command.getBrandId(),
@@ -104,9 +93,9 @@ public void saveProducts(
     }
 
     @Override
-    public Optional<ProductQueryResult.ProductDetail> findProductDetailById(Long productId) {
+    public Optional<ProductQueryResult.ProductDetail> findDetail(Long productId) {
         String key = "product.detail:" + productId;
-        Map<String, Object> cache = objectRedisTemplate.<String, Object>opsForHash().entries(key);
+        Map<String, String> cache = stringRedisTemplate.<String, String>opsForHash().entries(key);
 
         if (CollectionUtils.isEmpty(cache)) {
             return Optional.empty();
@@ -117,27 +106,26 @@ public Optional<ProductQueryResult.ProductDetail> findProductDetailById(Long pro
             return Optional.of(ProductQueryResult.ProductDetail.EMPTY);
         }
 
-        ProductQueryResult.ProductDetail productDetail = objectMapper.convertValue(cache, new TypeReference<>() {
+        ProductQueryResult.ProductDetail detail = wrappedObjectMapper.readMap(cache, new TypeReference<>() {
         });
-        return Optional.of(productDetail);
+        return Optional.ofNullable(detail);
     }
 
     @Override
-    public void saveProductDetail(Long productId, ProductQueryResult.ProductDetail productDetail) {
+    public void saveDetail(Long productId, ProductQueryResult.ProductDetail detail) {
         String key = "product.detail:" + productId;
-        Duration ttl = RedisCacheConfig.jitter(Duration.ofMinutes(3));
+        Duration ttl = RedisCacheConfig.jitter(Duration.ofMinutes(30));
 
         // 캐시 관통을 방지한다.
-        if (productDetail == null) {
-            objectRedisTemplate.opsForHash().putAll(key, Map.of("__null__", "null"));
-            objectRedisTemplate.expire(key, ttl);
+        if (detail == null) {
+            stringRedisTemplate.opsForHash().putAll(key, Map.of("__null__", "null"));
+            stringRedisTemplate.expire(key, ttl);
             return;
         }
 
-        Map<String, Object> cache = objectMapper.convertValue(productDetail, new TypeReference<>() {
-        });
-        objectRedisTemplate.opsForHash().putAll(key, cache);
-        objectRedisTemplate.expire(key, ttl);
+        Map<String, String> cache = wrappedObjectMapper.writeValueAsMap(detail);
+        stringRedisTemplate.opsForHash().putAll(key, cache);
+        stringRedisTemplate.expire(key, ttl);
     }
 
 }
diff --git a/apps/commerce-api/src/main/java/com/loopers/infrastructure/product/ProductRepositoryImpl.java b/apps/commerce-api/src/main/java/com/loopers/infrastructure/product/ProductRepositoryImpl.java
index 44684f4..10bb424 100644
--- a/apps/commerce-api/src/main/java/com/loopers/infrastructure/product/ProductRepositoryImpl.java
+++ b/apps/commerce-api/src/main/java/com/loopers/infrastructure/product/ProductRepositoryImpl.java
@@ -70,29 +70,42 @@ public Page<ProductQueryResult.Products> searchProducts(ProductQueryCommand.Sear
                 );
 
         List<ProductQueryResult.Products> products = query.stream()
-                .map(row -> ProductQueryResult.Products.builder()
-                        .productId(row.get(p.id))
-                        .productName(row.get(p.name))
-                        .basePrice(row.get(p.basePrice))
-                        .likeCount(row.get(p.likeCount))
-                        .brandId(row.get(p.brandId))
-                        .brandName(row.get(b.name))
-                        .build()
-                )
+                .map(row -> new ProductQueryResult.Products(
+                        row.get(p.id),
+                        row.get(p.name),
+                        row.get(p.basePrice),
+                        row.get(p.likeCount),
+                        row.get(p.brandId),
+                        row.get(b.name)
+                ))
                 .toList();
 
         return PageableExecutionUtils.getPage(products, pageRequest, countQuery::fetchOne);
     }
 
     @Override
-    public Optional<ProductQueryResult.ProductDetail> findProductDetailById(Long productId) {
+    public Optional<ProductQueryResult.ProductDetail> findDetail(Long productId) {
+        QBrand b = QBrand.brand;
         QProduct p = QProduct.product;
         QProductOption po = QProductOption.productOption;
         QProductStock ps = QProductStock.productStock;
 
         List<Tuple> rows = queryFactory
-                .select(p, po, ps)
+                .select(
+                        p.id
+                        , p.name
+                        , p.basePrice
+                        , p.likeCount
+                        , p.brandId
+                        , b.name
+                        , po.id
+                        , po.name
+                        , po.additionalPrice
+                        , po.productId
+                        , ps.quantity
+                )
                 .from(p)
+                .leftJoin(b).on(b.id.eq(p.brandId))
                 .leftJoin(po).on(po.productId.eq(p.id))
                 .leftJoin(ps).on(ps.productOptionId.eq(po.id))
                 .where(p.id.eq(productId))
@@ -102,39 +115,37 @@ public Optional<ProductQueryResult.ProductDetail> findProductDetailById(Long pro
             return Optional.empty();
         }
 
-        Product product = rows.getFirst().get(p);
-        ProductQueryResult.ProductDetail detail = ProductQueryResult.ProductDetail.builder()
-                .productId(product.getId())
-                .productName(product.getName())
-                .basePrice(product.getBasePrice())
-                .likeCount(product.getLikeCount())
-                .brandId(product.getBrandId())
-                .options(new ArrayList<>())
-                .build();
+        ProductQueryResult.ProductDetail detail = new ProductQueryResult.ProductDetail(
+                rows.getFirst().get(p.id),
+                rows.getFirst().get(p.name),
+                rows.getFirst().get(p.basePrice),
+                rows.getFirst().get(p.likeCount),
+                rows.getFirst().get(p.brandId),
+                rows.getFirst().get(b.name),
+                new ArrayList<>()
+        );
 
         for (Tuple row : rows) {
-            ProductOption option = row.get(po);
-            if (option == null) {
+            if (row.get(po.id) == null) {
                 continue;
             }
 
-            ProductStock stock = row.get(ps);
-            ProductQueryResult.ProductDetail.Option item = ProductQueryResult.ProductDetail.Option.builder()
-                    .productOptionId(option.getId())
-                    .productOptionName(option.getName())
-                    .additionalPrice(option.getAdditionalPrice())
-                    .productId(option.getProductId())
-                    .stockQuantity(stock.getQuantity())
-                    .build();
+            ProductQueryResult.ProductDetail.Option item = new ProductQueryResult.ProductDetail.Option(
+                    row.get(po.id),
+                    row.get(po.name),
+                    row.get(po.additionalPrice),
+                    row.get(po.productId),
+                    row.get(ps.quantity)
+            );
 
-            detail.getOptions().add(item);
+            detail.options().add(item);
         }
 
         return Optional.of(detail);
     }
 
     @Override
-    public Optional<ProductQueryResult.ProductOptions> findProductOptionsByIds(List<Long> productOptionIds) {
+    public Optional<ProductQueryResult.ProductOptions> findOptions(List<Long> productOptionIds) {
         QProduct p = QProduct.product;
         QProductOption po = QProductOption.productOption;
         QProductStock ps = QProductStock.productStock;
@@ -153,13 +164,12 @@ public Optional<ProductQueryResult.ProductOptions> findProductOptionsByIds(List<
                 .join(ps).on(ps.productOptionId.eq(po.id))
                 .where(po.id.in(productOptionIds))
                 .stream()
-                .map(row ->
-                        ProductQueryResult.ProductOptions.Item.builder()
-                                .productOptionId(row.get(po.id))
-                                .salePrice(row.get(salePrice))
-                                .stockQuantity(row.get(ps.quantity))
-                                .productId(row.get(p.id))
-                                .build()
+                .map(row -> new ProductQueryResult.ProductOptions.Item(
+                                row.get(po.id),
+                                row.get(salePrice),
+                                row.get(ps.quantity),
+                                row.get(p.id)
+                        )
                 )
                 .toList();
 
@@ -167,10 +177,7 @@ public Optional<ProductQueryResult.ProductOptions> findProductOptionsByIds(List<
             return Optional.empty();
         }
 
-        ProductQueryResult.ProductOptions queryResult = ProductQueryResult.ProductOptions.builder()
-                .items(items)
-                .build();
-
+        ProductQueryResult.ProductOptions queryResult = new ProductQueryResult.ProductOptions(items);
         return Optional.of(queryResult);
     }
 
diff --git a/apps/commerce-api/src/main/java/com/loopers/infrastructure/ranking/RankingRepositoryImpl.java b/apps/commerce-api/src/main/java/com/loopers/infrastructure/ranking/RankingRepositoryImpl.java
new file mode 100644
index 0000000..1fda6b3
--- /dev/null
+++ b/apps/commerce-api/src/main/java/com/loopers/infrastructure/ranking/RankingRepositoryImpl.java
@@ -0,0 +1,68 @@
+package com.loopers.infrastructure.ranking;
+
+import com.loopers.domain.ranking.RankingQueryResult;
+import com.loopers.domain.ranking.RankingRepository;
+import com.loopers.support.StringUtils;
+import lombok.RequiredArgsConstructor;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.redis.core.StringRedisTemplate;
+import org.springframework.data.redis.core.ZSetOperations;
+import org.springframework.data.support.PageableExecutionUtils;
+import org.springframework.stereotype.Repository;
+import org.springframework.util.CollectionUtils;
+
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+import java.util.*;
+
+@Repository
+@RequiredArgsConstructor
+public class RankingRepositoryImpl implements RankingRepository {
+
+    private final StringRedisTemplate stringRedisTemplate;
+
+    @Override
+    public Optional<Long> findRank(LocalDate date, Long productId) {
+        String day = date.format(DateTimeFormatter.BASIC_ISO_DATE);
+        String key = "metric.product.all:" + day;
+        String member = StringUtils.invert9sComplement(productId.toString());
+
+        ZSetOperations<String, String> zSet = stringRedisTemplate.opsForZSet();
+        Long rank = zSet.reverseRank(key, member);
+
+        return Optional.ofNullable(rank).map(i -> i + 1L);
+    }
+
+    @Override
+    public Page<RankingQueryResult.SearchRanks> searchRanks(LocalDate date, Pageable pageable) {
+        String day = date.format(DateTimeFormatter.BASIC_ISO_DATE);
+        String key = "metric.product.all:" + day;
+
+        // page 1번을 offset 0으로 변환한다.
+        Pageable pageRequest = pageable.withPage(pageable.getPageNumber() - 1);
+        long start = pageRequest.getOffset();
+        long end = pageRequest.getOffset() + pageRequest.getPageSize();
+
+        ZSetOperations<String, String> zSet = stringRedisTemplate.opsForZSet();
+        Set<String> members = zSet.reverseRange(key, start, end);
+
+        if (CollectionUtils.isEmpty(members)) {
+            return Page.empty(pageRequest);
+        }
+
+        List<Long> productIds = members.stream()
+                .map(StringUtils::invert9sComplement)
+                .map(Long::parseLong)
+                .toList();
+
+        List<RankingQueryResult.SearchRanks> content = new ArrayList<>();
+        for (int i = 0; i < productIds.size(); i++) {
+            content.add(new RankingQueryResult.SearchRanks(productIds.get(i), i + 1L));
+        }
+
+        return PageableExecutionUtils.getPage(List.copyOf(content), pageRequest,
+                () -> Objects.requireNonNullElse(zSet.zCard(key), 0L));
+    }
+
+}
diff --git a/apps/commerce-api/src/main/java/com/loopers/interfaces/api/product/ProductResponse.java b/apps/commerce-api/src/main/java/com/loopers/interfaces/api/product/ProductResponse.java
index 4013b5f..a2abc70 100644
--- a/apps/commerce-api/src/main/java/com/loopers/interfaces/api/product/ProductResponse.java
+++ b/apps/commerce-api/src/main/java/com/loopers/interfaces/api/product/ProductResponse.java
@@ -72,6 +72,8 @@ public static class GetProductDetail {
         private final String brandName;
         @Nullable
         private final String brandDescription;
+        @Nullable
+        private final Long rank;
 
         public static GetProductDetail from(ProductOutput.GetProductDetail output) {
             List<Option> options = output.getOptions()
@@ -95,6 +97,7 @@ public static GetProductDetail from(ProductOutput.GetProductDetail output) {
                     .brandId(output.getBrandId())
                     .brandName(output.getBrandName())
                     .brandDescription(output.getBrandDescription())
+                    .rank(output.getRank())
                     .build();
         }
 
diff --git a/apps/commerce-api/src/main/java/com/loopers/interfaces/api/ranking/RankingRequest.java b/apps/commerce-api/src/main/java/com/loopers/interfaces/api/ranking/RankingRequest.java
new file mode 100644
index 0000000..f070b97
--- /dev/null
+++ b/apps/commerce-api/src/main/java/com/loopers/interfaces/api/ranking/RankingRequest.java
@@ -0,0 +1,28 @@
+package com.loopers.interfaces.api.ranking;
+
+import jakarta.validation.constraints.NotNull;
+import jakarta.validation.constraints.PastOrPresent;
+import jakarta.validation.constraints.Positive;
+import lombok.*;
+
+import java.time.LocalDate;
+
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+public final class RankingRequest {
+
+    @Getter
+    @Builder
+    @RequiredArgsConstructor(access = AccessLevel.PRIVATE)
+    public static class SearchRankings {
+        @PastOrPresent
+        private final LocalDate date;
+
+        @NotNull
+        @Positive
+        private final Integer page;
+        @NotNull
+        @Positive
+        private final Integer size;
+    }
+
+}
diff --git a/apps/commerce-api/src/main/java/com/loopers/interfaces/api/ranking/RankingResponse.java b/apps/commerce-api/src/main/java/com/loopers/interfaces/api/ranking/RankingResponse.java
new file mode 100644
index 0000000..6458f4a
--- /dev/null
+++ b/apps/commerce-api/src/main/java/com/loopers/interfaces/api/ranking/RankingResponse.java
@@ -0,0 +1,56 @@
+package com.loopers.interfaces.api.ranking;
+
+import com.loopers.application.ranking.RankingOutput;
+import lombok.*;
+
+import java.util.List;
+
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+public final class RankingResponse {
+
+    @Getter
+    @Builder
+    @RequiredArgsConstructor(access = AccessLevel.PRIVATE)
+    public static class SearchRankings {
+        private final Integer totalPages;
+        private final Long totalItems;
+        private final Integer page;
+        private final Integer size;
+        private final List<Item> items;
+
+        public static SearchRankings from(RankingOutput.SearchRankings output) {
+            return builder()
+                    .totalPages(output.totalPages())
+                    .totalItems(output.totalItems())
+                    .page(output.page())
+                    .size(output.size())
+                    .items(output.items()
+                            .stream()
+                            .map(content -> Item.builder()
+                                    .productId(content.productId())
+                                    .productName(content.productName())
+                                    .basePrice(content.basePrice())
+                                    .likeCount(content.likeCount())
+                                    .brandId(content.brandId())
+                                    .brandName(content.brandName())
+                                    .build()
+                            )
+                            .toList()
+                    )
+                    .build();
+        }
+
+        @Getter
+        @Builder
+        @RequiredArgsConstructor(access = AccessLevel.PRIVATE)
+        public static class Item {
+            private final Long productId;
+            private final String productName;
+            private final Integer basePrice;
+            private final Long likeCount;
+            private final Long brandId;
+            private final String brandName;
+        }
+    }
+
+}
diff --git a/apps/commerce-api/src/main/java/com/loopers/interfaces/api/ranking/RankingV1ApiSpec.java b/apps/commerce-api/src/main/java/com/loopers/interfaces/api/ranking/RankingV1ApiSpec.java
new file mode 100644
index 0000000..f3e2c89
--- /dev/null
+++ b/apps/commerce-api/src/main/java/com/loopers/interfaces/api/ranking/RankingV1ApiSpec.java
@@ -0,0 +1,20 @@
+package com.loopers.interfaces.api.ranking;
+
+import com.loopers.interfaces.api.ApiResponse;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import jakarta.validation.Valid;
+
+@Tag(name = "Ranking V1 API", description = "랭킹 API V1")
+public interface RankingV1ApiSpec {
+
+    @Operation(
+            summary = "상품 랭킹 조회",
+            description = "상품 랭킹을 조회합니다."
+    )
+    ApiResponse<RankingResponse.SearchRankings> searchRankings(
+            @Valid
+            RankingRequest.SearchRankings request
+    );
+
+}
diff --git a/apps/commerce-api/src/main/java/com/loopers/interfaces/api/ranking/RankingV1Controller.java b/apps/commerce-api/src/main/java/com/loopers/interfaces/api/ranking/RankingV1Controller.java
new file mode 100644
index 0000000..ad28c98
--- /dev/null
+++ b/apps/commerce-api/src/main/java/com/loopers/interfaces/api/ranking/RankingV1Controller.java
@@ -0,0 +1,35 @@
+package com.loopers.interfaces.api.ranking;
+
+import com.loopers.application.ranking.RankingFacade;
+import com.loopers.application.ranking.RankingInput;
+import com.loopers.application.ranking.RankingOutput;
+import com.loopers.interfaces.api.ApiResponse;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequiredArgsConstructor
+@RequestMapping("/api/v1/rankings")
+public class RankingV1Controller implements RankingV1ApiSpec {
+
+    private final RankingFacade rankingFacade;
+
+    @GetMapping
+    @Override
+    public ApiResponse<RankingResponse.SearchRankings> searchRankings(
+            RankingRequest.SearchRankings request
+    ) {
+        RankingInput.SearchRankings input = new RankingInput.SearchRankings(
+                request.getDate(),
+                request.getPage(),
+                request.getSize()
+        );
+        RankingOutput.SearchRankings rankings = rankingFacade.searchRankings(input);
+        RankingResponse.SearchRankings response = RankingResponse.SearchRankings.from(rankings);
+
+        return ApiResponse.success(response);
+    }
+
+}
diff --git a/apps/commerce-api/src/main/java/com/loopers/support/StringUtils.java b/apps/commerce-api/src/main/java/com/loopers/support/StringUtils.java
deleted file mode 100644
index 3bad8ef..0000000
--- a/apps/commerce-api/src/main/java/com/loopers/support/StringUtils.java
+++ /dev/null
@@ -1,20 +0,0 @@
-package com.loopers.support;
-
-import lombok.AccessLevel;
-import lombok.NoArgsConstructor;
-
-@NoArgsConstructor(access = AccessLevel.PRIVATE)
-public final class StringUtils {
-
-    public static String invert9sComplement(String s) {
-        char[] chars = new char[s.length()];
-
-        for (int i = 0; i < chars.length; i++) {
-            char c = s.charAt(i); // '0'..'9'
-            chars[i] = (char) ('9' - (c - '0'));
-        }
-
-        return new String(chars);
-    }
-
-}
diff --git a/apps/commerce-api/src/test/java/com/loopers/domain/product/ProductServiceTest.java b/apps/commerce-api/src/test/java/com/loopers/domain/product/ProductServiceTest.java
index da4c3b3..2700338 100644
--- a/apps/commerce-api/src/test/java/com/loopers/domain/product/ProductServiceTest.java
+++ b/apps/commerce-api/src/test/java/com/loopers/domain/product/ProductServiceTest.java
@@ -58,14 +58,16 @@ void returnCache_whenCacheHit() {
                     .build();
 
             List<ProductQueryResult.Products> content = IntStream.range(0, command.getSize())
-                    .mapToObj(i -> ProductQueryResult.Products.builder()
-                            .productId(Instancio.of(Long.class).generate(root(),
-                                    gen -> gen.longs().range(1L, 100_000L)).create() * (i + 1))
-                            .productName(Instancio.of(String.class).generate(root(),
-                                    gen -> gen.string().mixedCase().alphaNumeric().prefix(command.getKeyword()).maxLength(30)).create())
-                            .basePrice(i + 10_000)
-                            .brandId(command.getBrandId())
-                            .build()
+                    .mapToObj(i -> new ProductQueryResult.Products(
+                                    Instancio.of(Long.class).generate(root(),
+                                            gen -> gen.longs().range(1L, 100_000L)).create() * (i + 1),
+                                    Instancio.of(String.class).generate(root(),
+                                            gen -> gen.string().mixedCase().alphaNumeric().prefix(command.getKeyword()).maxLength(30)).create(),
+                                    i + 10_000,
+                                    Instancio.create(Long.class),
+                                    command.getBrandId(),
+                                    Instancio.create(String.class)
+                            )
                     )
                     .toList();
             long totalItems = Instancio.of(Long.class).generate(root(),
@@ -103,14 +105,16 @@ void searchOnDatabaseAndDoNothing_withoutResult_whenCacheMissed() {
                     .build();
 
             List<ProductQueryResult.Products> content = IntStream.range(0, command.getSize())
-                    .mapToObj(i -> ProductQueryResult.Products.builder()
-                            .productId(Instancio.of(Long.class).generate(root(),
-                                    gen -> gen.longs().range(1L, 100_000L)).create() * (i + 1))
-                            .productName(Instancio.of(String.class).generate(root(),
-                                    gen -> gen.string().mixedCase().alphaNumeric().prefix(command.getKeyword()).maxLength(30)).create())
-                            .basePrice(i + 10_000)
-                            .brandId(command.getBrandId())
-                            .build()
+                    .mapToObj(i -> new ProductQueryResult.Products(
+                                    Instancio.of(Long.class).generate(root(),
+                                            gen -> gen.longs().range(1L, 100_000L)).create() * (i + 1),
+                                    Instancio.of(String.class).generate(root(),
+                                            gen -> gen.string().mixedCase().alphaNumeric().prefix(command.getKeyword()).maxLength(30)).create(),
+                                    i + 10_000,
+                                    Instancio.create(Long.class),
+                                    command.getBrandId(),
+                                    Instancio.create(String.class)
+                            )
                     )
                     .toList();
             long totalItems = Instancio.of(Long.class).generate(root(),
@@ -151,14 +155,16 @@ void searchOnDatabaseAndSaveToCache_withResult_whenCacheMissed() {
                     .build();
 
             List<ProductQueryResult.Products> content = IntStream.range(0, command.getSize())
-                    .mapToObj(i -> ProductQueryResult.Products.builder()
-                            .productId(Instancio.of(Long.class).generate(root(),
-                                    gen -> gen.longs().range(1L, 100_000L)).create() * (i + 1))
-                            .productName(Instancio.of(String.class).generate(root(),
-                                    gen -> gen.string().mixedCase().alphaNumeric().prefix(command.getKeyword()).maxLength(30)).create())
-                            .basePrice(i + 10_000)
-                            .brandId(command.getBrandId())
-                            .build()
+                    .mapToObj(i -> new ProductQueryResult.Products(
+                                    Instancio.of(Long.class).generate(root(),
+                                            gen -> gen.longs().range(1L, 100_000L)).create() * (i + 1),
+                                    Instancio.of(String.class).generate(root(),
+                                            gen -> gen.string().mixedCase().alphaNumeric().prefix(command.getKeyword()).maxLength(30)).create(),
+                                    i + 10_000,
+                                    Instancio.create(Long.class),
+                                    command.getBrandId(),
+                                    Instancio.create(String.class)
+                            )
                     )
                     .toList();
             long totalItems = Instancio.of(Long.class).generate(root(),
@@ -203,7 +209,7 @@ void returnEmptyOptional_whenProductIdIsNull(Long productId) {
 
             // then
             assertThat(maybeDetail).isEmpty();
-            verify(productRepository, never()).findProductDetailById(productId);
+            verify(productRepository, never()).findDetail(productId);
         }
 
         @DisplayName("상품 아이디와 일치하는 상품이 없으면, Optional.empty를 반환한다.")
@@ -211,7 +217,7 @@ void returnEmptyOptional_whenProductIdIsNull(Long productId) {
         void returnEmptyOptional_whenProductDoesNotExistById() {
             // given
             Long productId = 1L;
-            given(productRepository.findProductDetailById(productId))
+            given(productRepository.findDetail(productId))
                     .willReturn(Optional.empty());
 
             // when
@@ -219,7 +225,7 @@ void returnEmptyOptional_whenProductDoesNotExistById() {
 
             // then
             assertThat(maybeDetail).isEmpty();
-            verify(productRepository).findProductDetailById(productId);
+            verify(productRepository).findDetail(productId);
         }
 
         @DisplayName("상품 아이디와 일치하는 상품이 있으면, 상품 상세 정보를 반환한다.")
@@ -227,19 +233,15 @@ void returnEmptyOptional_whenProductDoesNotExistById() {
         void returnProductDetail_whenProductExistsById() {
             // given
             Long productId = 1L;
-            given(productRepository.findProductDetailById(productId))
-                    .willReturn(Optional.of(
-                            ProductQueryResult.ProductDetail.builder()
-                                    .options(List.of())
-                                    .build()
-                    ));
+            given(productRepository.findDetail(productId))
+                    .willReturn(Optional.of(ProductQueryResult.ProductDetail.EMPTY));
 
             // when
             Optional<ProductResult.GetProductDetail> maybeDetail = sut.getProductDetail(productId);
 
             // then
             assertThat(maybeDetail).isPresent();
-            verify(productRepository).findProductDetailById(productId);
+            verify(productRepository).findDetail(productId);
         }
 
     }
diff --git a/apps/commerce-api/src/test/java/com/loopers/test/assertion/ConcurrentAssertion.java b/apps/commerce-api/src/test/java/com/loopers/test/assertion/ConcurrentAssertion.java
index 2ca2deb..b9295e3 100644
--- a/apps/commerce-api/src/test/java/com/loopers/test/assertion/ConcurrentAssertion.java
+++ b/apps/commerce-api/src/test/java/com/loopers/test/assertion/ConcurrentAssertion.java
@@ -56,13 +56,17 @@ public ConcurrentAssertion<V> hasFieldOrPropertyWithValue(String name, Object va
     }
 
     private ConcurrentAssertion<V> execute(RunnableCallableAdapter<V> adapter) {
-        CountDownLatch countDownLatch = new CountDownLatch(this.threadCount);
+        CyclicBarrier barrier = new CyclicBarrier(this.threadCount);
+        CountDownLatch latch = new CountDownLatch(this.threadCount);
 
         try (ExecutorService executorService = this.executorServiceProvider.get()) {
             for (int i = 0; i < this.threadCount; i++) {
                 int n = i;
                 executorService.submit(() -> {
                     try {
+                        // Suspend all threads until ready to execute.
+                        barrier.await(10, TimeUnit.SECONDS);
+
                         V executed = adapter.execute(n);
                         this.successCount.incrementAndGet();
                         return executed;
@@ -70,12 +74,15 @@ private ConcurrentAssertion<V> execute(RunnableCallableAdapter<V> adapter) {
                         this.errors.add(t);
                         return null;
                     } finally {
-                        countDownLatch.countDown();
+                        latch.countDown();
                     }
                 });
             }
 
-            countDownLatch.await();
+            // Wait for all threads to complete execution.
+            if (!latch.await(10, TimeUnit.MINUTES)) {
+                throw new TimeoutException("Timed out waiting for an executor service to execute");
+            }
         } catch (Throwable t) {
             throw new RuntimeException(t);
         }
diff --git a/apps/commerce-streamer/src/main/java/com/loopers/application/metric/MetricFacade.java b/apps/commerce-streamer/src/main/java/com/loopers/application/metric/MetricFacade.java
index 6963a0a..82d960b 100644
--- a/apps/commerce-streamer/src/main/java/com/loopers/application/metric/MetricFacade.java
+++ b/apps/commerce-streamer/src/main/java/com/loopers/application/metric/MetricFacade.java
@@ -8,6 +8,8 @@
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
+import java.util.List;
+
 @Service
 @RequiredArgsConstructor
 public class MetricFacade {
@@ -17,18 +19,20 @@ public class MetricFacade {
 
     @Transactional
     public void aggregateProduct(MetricInput.AggregateProduct input) {
-        input.items()
+        List<MetricCommand.Aggregate.Item> unhandled = input.items()
                 .stream()
                 // Idempotent
                 .filter(item -> auditService.handle(new AuditCommand.Handle(item.eventId(), input.topicName())))
-                .map(item -> new MetricCommand.AggregateProduct(
+                .map(item -> new MetricCommand.Aggregate.Item(
                         item.date(),
                         item.productId(),
                         item.likeCount(),
                         item.saleQuantity(),
                         item.viewCount()
                 ))
-                .forEach(metricService::aggregateProduct);
+                .toList();
+
+        metricService.aggregate(new MetricCommand.Aggregate(unhandled));
     }
 
 }
diff --git a/apps/commerce-streamer/src/main/java/com/loopers/application/metric/MetricInput.java b/apps/commerce-streamer/src/main/java/com/loopers/application/metric/MetricInput.java
index c55e704..8d445bc 100644
--- a/apps/commerce-streamer/src/main/java/com/loopers/application/metric/MetricInput.java
+++ b/apps/commerce-streamer/src/main/java/com/loopers/application/metric/MetricInput.java
@@ -1,7 +1,5 @@
 package com.loopers.application.metric;
 
-import jakarta.annotation.Nullable;
-
 import java.time.LocalDate;
 import java.util.List;
 
@@ -15,20 +13,20 @@ public record Item(
                 String eventId,
                 LocalDate date,
                 Long productId,
-                @Nullable Long likeCount,
-                @Nullable Long saleQuantity,
-                @Nullable Long viewCount
+                Long likeCount,
+                Long saleQuantity,
+                Long viewCount
         ) {
             public static Item ofLikeCount(String eventId, LocalDate date, Long productId, Long likeCount) {
-                return new Item(eventId, date, productId, likeCount, null, null);
+                return new Item(eventId, date, productId, likeCount, 0L, 0L);
             }
 
             public static Item ofSaleQuantity(String eventId, LocalDate date, Long productId, Long saleQuantity) {
-                return new Item(eventId, date, productId, null, saleQuantity, null);
+                return new Item(eventId, date, productId, 0L, saleQuantity, 0L);
             }
 
             public static Item ofViewCount(String eventId, LocalDate date, Long productId, Long viewCount) {
-                return new Item(eventId, date, productId, null, null, viewCount);
+                return new Item(eventId, date, productId, 0L, 0L, viewCount);
             }
         }
     }
diff --git a/apps/commerce-streamer/src/main/java/com/loopers/domain/metric/LegacyMetricRepository.java b/apps/commerce-streamer/src/main/java/com/loopers/domain/metric/LegacyMetricRepository.java
new file mode 100644
index 0000000..25cf596
--- /dev/null
+++ b/apps/commerce-streamer/src/main/java/com/loopers/domain/metric/LegacyMetricRepository.java
@@ -0,0 +1,7 @@
+package com.loopers.domain.metric;
+
+public interface LegacyMetricRepository {
+
+    boolean merge(ProductMetricDaily metric);
+
+}
diff --git a/apps/commerce-streamer/src/main/java/com/loopers/domain/metric/Metric.java b/apps/commerce-streamer/src/main/java/com/loopers/domain/metric/Metric.java
new file mode 100644
index 0000000..678498f
--- /dev/null
+++ b/apps/commerce-streamer/src/main/java/com/loopers/domain/metric/Metric.java
@@ -0,0 +1,76 @@
+package com.loopers.domain.metric;
+
+import jakarta.annotation.Nullable;
+import lombok.Builder;
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+
+import java.time.LocalDate;
+import java.util.Objects;
+
+@Getter
+@EqualsAndHashCode(onlyExplicitlyIncluded = true)
+public class Metric {
+
+    /**
+     * 기준 일자
+     */
+    @EqualsAndHashCode.Include
+    private final LocalDate date;
+
+    /**
+     * 상품 아이디
+     */
+    @EqualsAndHashCode.Include
+    private final Long productId;
+
+    /**
+     * 상품 좋아요 수
+     */
+    private final Long likeCount;
+
+    /**
+     * 상품 판매 수
+     */
+    private final Long saleQuantity;
+
+    /**
+     * 상품 조회 수
+     */
+    private final Long viewCount;
+
+    // -------------------------------------------------------------------------------------------------
+
+    @Builder
+    private Metric(
+            LocalDate date,
+            Long productId,
+            @Nullable Long likeCount,
+            @Nullable Long saleQuantity,
+            @Nullable Long viewCount
+    ) {
+        if (date == null) {
+            throw new IllegalArgumentException("기준 일자가 올바르지 않습니다.");
+        }
+        if (productId == null) {
+            throw new IllegalArgumentException("상품 아이디가 올바르지 않습니다.");
+        }
+        if (viewCount != null && viewCount < 0) {
+            throw new IllegalArgumentException("상품 조회 수가 올바르지 않습니다.");
+        }
+
+        this.date = date;
+        this.productId = productId;
+        this.likeCount = Objects.requireNonNullElse(likeCount, 0L);
+        this.saleQuantity = Objects.requireNonNullElse(saleQuantity, 0L);
+        this.viewCount = Objects.requireNonNullElse(viewCount, 0L);
+    }
+
+    public Metric plus(Metric other) {
+        long likeCount = this.likeCount + other.likeCount;
+        long saleQuantity = this.saleQuantity + other.saleQuantity;
+        long viewCount = this.viewCount + other.viewCount;
+        return new Metric(this.date, productId, likeCount, saleQuantity, viewCount);
+    }
+
+}
diff --git a/apps/commerce-streamer/src/main/java/com/loopers/domain/metric/MetricCommand.java b/apps/commerce-streamer/src/main/java/com/loopers/domain/metric/MetricCommand.java
index 1ccb398..0923bab 100644
--- a/apps/commerce-streamer/src/main/java/com/loopers/domain/metric/MetricCommand.java
+++ b/apps/commerce-streamer/src/main/java/com/loopers/domain/metric/MetricCommand.java
@@ -1,28 +1,20 @@
 package com.loopers.domain.metric;
 
-import jakarta.annotation.Nullable;
-
 import java.time.LocalDate;
+import java.util.List;
 
 public record MetricCommand() {
 
-    public record AggregateProduct(
-            LocalDate date,
-            Long productId,
-            @Nullable Long likeCount,
-            @Nullable Long saleQuantity,
-            @Nullable Long viewCount
+    public record Aggregate(
+            List<Item> items
     ) {
-        public static AggregateProduct ofLikeCount(LocalDate date, Long productId, Long likeCount) {
-            return new AggregateProduct(date, productId, likeCount, null, null);
-        }
-
-        public static AggregateProduct ofSaleQuantity(LocalDate date, Long productId, Long saleQuantity) {
-            return new AggregateProduct(date, productId, null, saleQuantity, null);
-        }
-
-        public static AggregateProduct ofViewCount(LocalDate date, Long productId, Long viewCount) {
-            return new AggregateProduct(date, productId, null, null, viewCount);
+        public record Item(
+                LocalDate date,
+                Long productId,
+                Long likeCount,
+                Long saleQuantity,
+                Long viewCount
+        ) {
         }
     }
 
diff --git a/apps/commerce-streamer/src/main/java/com/loopers/domain/metric/MetricRepository.java b/apps/commerce-streamer/src/main/java/com/loopers/domain/metric/MetricRepository.java
index 470ef5f..5cef665 100644
--- a/apps/commerce-streamer/src/main/java/com/loopers/domain/metric/MetricRepository.java
+++ b/apps/commerce-streamer/src/main/java/com/loopers/domain/metric/MetricRepository.java
@@ -1,7 +1,9 @@
 package com.loopers.domain.metric;
 
+import java.util.List;
+
 public interface MetricRepository {
 
-    boolean merge(ProductMetricDaily metric);
+    void increase(List<Metric> metrics);
 
 }
diff --git a/apps/commerce-streamer/src/main/java/com/loopers/domain/metric/MetricService.java b/apps/commerce-streamer/src/main/java/com/loopers/domain/metric/MetricService.java
index bd5262d..11b2724 100644
--- a/apps/commerce-streamer/src/main/java/com/loopers/domain/metric/MetricService.java
+++ b/apps/commerce-streamer/src/main/java/com/loopers/domain/metric/MetricService.java
@@ -2,7 +2,13 @@
 
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
-import org.springframework.transaction.annotation.Transactional;
+import org.springframework.util.CollectionUtils;
+
+import java.util.List;
+import java.util.function.Function;
+
+import static java.util.stream.Collectors.collectingAndThen;
+import static java.util.stream.Collectors.toMap;
 
 @Service
 @RequiredArgsConstructor
@@ -10,17 +16,31 @@ public class MetricService {
 
     private final MetricRepository metricRepository;
 
-    @Transactional
-    public void aggregateProduct(MetricCommand.AggregateProduct command) {
-        ProductMetricDaily metric = ProductMetricDaily.builder()
-                .date(command.date())
-                .likeCount(command.likeCount())
-                .saleQuantity(command.saleQuantity())
-                .viewCount(command.viewCount())
-                .productId(command.productId())
-                .build();
-
-        metricRepository.merge(metric);
+    public void aggregate(MetricCommand.Aggregate command) {
+        if (CollectionUtils.isEmpty(command.items())) {
+            return;
+        }
+
+        List<Metric> metrics = command.items()
+                .stream()
+                .map(item -> Metric.builder()
+                        .date(item.date())
+                        .productId(item.productId())
+                        .likeCount(item.likeCount())
+                        .saleQuantity(item.saleQuantity())
+                        .viewCount(item.viewCount())
+                        .build()
+                )
+                .collect(collectingAndThen(
+                        toMap(
+                                Function.identity(),
+                                Function.identity(),
+                                Metric::plus
+                        ),
+                        map -> List.copyOf(map.values())
+                ));
+
+        metricRepository.increase(metrics);
     }
 
 }
diff --git a/apps/commerce-streamer/src/main/java/com/loopers/domain/metric/ProductMetricDaily.java b/apps/commerce-streamer/src/main/java/com/loopers/domain/metric/ProductMetricDaily.java
index 60a2f32..4205f6f 100644
--- a/apps/commerce-streamer/src/main/java/com/loopers/domain/metric/ProductMetricDaily.java
+++ b/apps/commerce-streamer/src/main/java/com/loopers/domain/metric/ProductMetricDaily.java
@@ -1,7 +1,6 @@
 package com.loopers.domain.metric;
 
 import com.loopers.domain.BaseEntity;
-import jakarta.annotation.Nullable;
 import jakarta.persistence.*;
 import lombok.AccessLevel;
 import lombok.Builder;
@@ -9,7 +8,6 @@
 import lombok.NoArgsConstructor;
 
 import java.time.LocalDate;
-import java.util.Objects;
 
 @Getter
 @Entity
@@ -65,15 +63,21 @@ public class ProductMetricDaily extends BaseEntity {
     @Builder
     private ProductMetricDaily(
             LocalDate date,
-            @Nullable Long likeCount,
-            @Nullable Long saleQuantity,
-            @Nullable Long viewCount,
+            Long likeCount,
+            Long saleQuantity,
+            Long viewCount,
             Long productId
     ) {
         if (date == null) {
             throw new IllegalArgumentException("기준 일자가 올바르지 않습니다.");
         }
-        if (viewCount != null && viewCount < 0) {
+        if (likeCount == null) {
+            throw new IllegalArgumentException("상품 좋아요 수가 올바르지 않습니다.");
+        }
+        if (saleQuantity == null) {
+            throw new IllegalArgumentException("상품 판매 수가 올바르지 않습니다.");
+        }
+        if (viewCount == null || viewCount < 0) {
             throw new IllegalArgumentException("상품 조회 수가 올바르지 않습니다.");
         }
         if (productId == null) {
@@ -81,9 +85,9 @@ private ProductMetricDaily(
         }
 
         this.date = date;
-        this.likeCount = Objects.requireNonNullElse(likeCount, 0L);
-        this.saleQuantity = Objects.requireNonNullElse(saleQuantity, 0L);
-        this.viewCount = Objects.requireNonNullElse(viewCount, 0L);
+        this.likeCount = likeCount;
+        this.saleQuantity = saleQuantity;
+        this.viewCount = viewCount;
         this.productId = productId;
     }
 
diff --git a/apps/commerce-streamer/src/main/java/com/loopers/domain/metric/attribute/MetricWeight.java b/apps/commerce-streamer/src/main/java/com/loopers/domain/metric/attribute/MetricWeight.java
new file mode 100644
index 0000000..c56ab95
--- /dev/null
+++ b/apps/commerce-streamer/src/main/java/com/loopers/domain/metric/attribute/MetricWeight.java
@@ -0,0 +1,22 @@
+package com.loopers.domain.metric.attribute;
+
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+import java.util.Arrays;
+
+@Getter
+@RequiredArgsConstructor
+public enum MetricWeight {
+
+    VIEW(0.0001),
+    LIKE(0.001),
+    SALE(0.01);
+
+    private final double value;
+
+    public static double[] toArray() {
+        return Arrays.stream(values()).mapToDouble(MetricWeight::getValue).toArray();
+    }
+
+}
diff --git a/apps/commerce-streamer/src/main/java/com/loopers/domain/product/ProductCacheRepository.java b/apps/commerce-streamer/src/main/java/com/loopers/domain/product/ProductCacheRepository.java
new file mode 100644
index 0000000..c4a2877
--- /dev/null
+++ b/apps/commerce-streamer/src/main/java/com/loopers/domain/product/ProductCacheRepository.java
@@ -0,0 +1,12 @@
+package com.loopers.domain.product;
+
+import java.util.List;
+import java.util.Map;
+
+public interface ProductCacheRepository {
+
+    void replaceLikeCountsIfAbsent(List<Map.Entry<Long, Long>> entries);
+
+    void evictProductDetails(List<Long> productIds);
+
+}
diff --git a/apps/commerce-streamer/src/main/java/com/loopers/domain/product/ProductCommand.java b/apps/commerce-streamer/src/main/java/com/loopers/domain/product/ProductCommand.java
new file mode 100644
index 0000000..9c94cdc
--- /dev/null
+++ b/apps/commerce-streamer/src/main/java/com/loopers/domain/product/ProductCommand.java
@@ -0,0 +1,41 @@
+package com.loopers.domain.product;
+
+import java.time.LocalDate;
+import java.util.List;
+
+public record ProductCommand() {
+
+    public record ReplaceLikeCounts(
+            List<Item> items
+    ) {
+        public record Item(
+                Long productId,
+                Long likeCount
+        ) {
+        }
+    }
+
+    // -------------------------------------------------------------------------------------------------
+
+    public record RemoveDetails(
+            List<Item> items
+    ) {
+        public record Item(
+                Long productId,
+                Integer stockQuantity
+        ) {
+        }
+    }
+
+    // -------------------------------------------------------------------------------------------------
+
+    public record AggregateRanking(
+            LocalDate date,
+            Long productId,
+            Long likeCount,
+            Long saleQuantity,
+            Long viewCount
+    ) {
+    }
+
+}
diff --git a/apps/commerce-streamer/src/main/java/com/loopers/domain/product/ProductService.java b/apps/commerce-streamer/src/main/java/com/loopers/domain/product/ProductService.java
new file mode 100644
index 0000000..9c176a4
--- /dev/null
+++ b/apps/commerce-streamer/src/main/java/com/loopers/domain/product/ProductService.java
@@ -0,0 +1,42 @@
+package com.loopers.domain.product;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.util.CollectionUtils;
+
+import java.util.List;
+import java.util.Map;
+
+@Service
+@RequiredArgsConstructor
+public class ProductService {
+
+    private final ProductCacheRepository productCacheRepository;
+
+    public void replaceLikeCounts(ProductCommand.ReplaceLikeCounts command) {
+        if (CollectionUtils.isEmpty(command.items())) {
+            return;
+        }
+
+        List<Map.Entry<Long, Long>> entries = command.items()
+                .stream()
+                .map(item -> Map.entry(item.productId(), item.likeCount()))
+                .toList();
+        productCacheRepository.replaceLikeCountsIfAbsent(entries);
+    }
+
+    public void removeDetails(ProductCommand.RemoveDetails command) {
+        if (CollectionUtils.isEmpty(command.items())) {
+            return;
+        }
+
+        List<Long> productIds = command.items()
+                .stream()
+                // 재고가 소진된 상품만 캐시를 삭제한다.
+                .filter(item -> item.stockQuantity() == 0)
+                .map(ProductCommand.RemoveDetails.Item::productId)
+                .toList();
+        productCacheRepository.evictProductDetails(productIds);
+    }
+
+}
diff --git a/apps/commerce-streamer/src/main/java/com/loopers/infrastructure/metric/LegacyMetricRepositoryImpl.java b/apps/commerce-streamer/src/main/java/com/loopers/infrastructure/metric/LegacyMetricRepositoryImpl.java
new file mode 100644
index 0000000..8237d92
--- /dev/null
+++ b/apps/commerce-streamer/src/main/java/com/loopers/infrastructure/metric/LegacyMetricRepositoryImpl.java
@@ -0,0 +1,28 @@
+package com.loopers.infrastructure.metric;
+
+import com.loopers.domain.metric.LegacyMetricRepository;
+import com.loopers.domain.metric.ProductMetricDaily;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Repository;
+
+@Repository
+@RequiredArgsConstructor
+public class LegacyMetricRepositoryImpl implements LegacyMetricRepository {
+
+    private final ProductMetricDailyJpaRepository productMetricDailyJpaRepository;
+
+    @Override
+    public boolean merge(ProductMetricDaily metric) {
+        metric.prePersist();
+        return productMetricDailyJpaRepository.merge(
+                metric.getDate(),
+                metric.getLikeCount(),
+                metric.getSaleQuantity(),
+                metric.getViewCount(),
+                metric.getProductId(),
+                metric.getCreatedAt(),
+                metric.getUpdatedAt()
+        ) == 1;
+    }
+
+}
diff --git a/apps/commerce-streamer/src/main/java/com/loopers/infrastructure/metric/MetricRepositoryImpl.java b/apps/commerce-streamer/src/main/java/com/loopers/infrastructure/metric/MetricRepositoryImpl.java
index ed3af88..ba89f97 100644
--- a/apps/commerce-streamer/src/main/java/com/loopers/infrastructure/metric/MetricRepositoryImpl.java
+++ b/apps/commerce-streamer/src/main/java/com/loopers/infrastructure/metric/MetricRepositoryImpl.java
@@ -1,28 +1,74 @@
 package com.loopers.infrastructure.metric;
 
+import com.loopers.domain.metric.Metric;
 import com.loopers.domain.metric.MetricRepository;
-import com.loopers.domain.metric.ProductMetricDaily;
+import com.loopers.domain.metric.attribute.MetricWeight;
+import com.loopers.support.StringUtils;
 import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.data.redis.connection.RedisConnection;
+import org.springframework.data.redis.connection.zset.Aggregate;
+import org.springframework.data.redis.connection.zset.Weights;
+import org.springframework.data.redis.core.StringRedisTemplate;
+import org.springframework.data.redis.core.ZSetOperations;
 import org.springframework.stereotype.Repository;
 
+import java.time.*;
+import java.time.format.DateTimeFormatter;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Stream;
+
+import static java.util.stream.Collectors.groupingBy;
+
+@Slf4j
 @Repository
 @RequiredArgsConstructor
 public class MetricRepositoryImpl implements MetricRepository {
 
-    private final ProductMetricDailyJpaRepository productMetricDailyJpaRepository;
+    private static final long RETENTION_DAYS = 3;
+
+    private final StringRedisTemplate stringRedisTemplate;
 
     @Override
-    public boolean merge(ProductMetricDaily metric) {
-        metric.prePersist();
-        return productMetricDailyJpaRepository.merge(
-                metric.getDate(),
-                metric.getLikeCount(),
-                metric.getSaleQuantity(),
-                metric.getViewCount(),
-                metric.getProductId(),
-                metric.getCreatedAt(),
-                metric.getUpdatedAt()
-        ) == 1;
+    public void increase(List<Metric> metrics) {
+        Map<LocalDate, List<Metric>> dateMap = metrics.stream().collect(groupingBy(Metric::getDate));
+
+        stringRedisTemplate.executePipelined((RedisConnection connection) -> {
+            dateMap.forEach((date, items) -> {
+                String day = date.format(DateTimeFormatter.BASIC_ISO_DATE);
+                String views = "metric.product.view:" + day;
+                String likes = "metric.product.like:" + day;
+                String sales = "metric.product.sale:" + day;
+
+                for (Metric item : items) {
+                    String padded = StringUtils.padStart(item.getProductId().toString(), 19, '0');
+                    String member = StringUtils.invert9sComplement(padded);
+                    ZSetOperations<String, String> zSet = stringRedisTemplate.opsForZSet();
+
+                    // Save with non-weighted score.
+                    zSet.incrementScore(views, member, item.getViewCount());
+                    zSet.incrementScore(likes, member, item.getLikeCount());
+                    zSet.incrementScore(sales, member, item.getSaleQuantity());
+                }
+
+                // Save with weighted score: overwrite for each call.
+                String all = "metric.product.all:" + day;
+                Weights weights = Weights.of(MetricWeight.toArray());
+                stringRedisTemplate.opsForZSet().unionAndStore(views, List.of(likes, sales), all, Aggregate.SUM, weights);
+
+                // Top 1000
+                stringRedisTemplate.opsForZSet().removeRange(all, 0, -1001);
+
+                Instant ttl = ZonedDateTime.of(date.plusDays(RETENTION_DAYS), LocalTime.MIN, ZoneId.systemDefault()).toInstant();
+                Stream.of(views, likes, sales, all).forEach(key -> stringRedisTemplate.expireAt(key, ttl));
+
+                log.info("Increase {} metrics on '{}', '{}', '{}', '{}'", items.size(), views, likes, sales, all);
+            });
+
+            return null;
+        });
+
     }
 
 }
diff --git a/apps/commerce-streamer/src/main/java/com/loopers/infrastructure/product/ProductCacheRepositoryImpl.java b/apps/commerce-streamer/src/main/java/com/loopers/infrastructure/product/ProductCacheRepositoryImpl.java
new file mode 100644
index 0000000..dead496
--- /dev/null
+++ b/apps/commerce-streamer/src/main/java/com/loopers/infrastructure/product/ProductCacheRepositoryImpl.java
@@ -0,0 +1,77 @@
+package com.loopers.infrastructure.product;
+
+import com.loopers.domain.product.ProductCacheRepository;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.data.redis.connection.RedisConnection;
+import org.springframework.data.redis.connection.ReturnType;
+import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.data.redis.serializer.RedisSerializer;
+import org.springframework.stereotype.Repository;
+
+import java.nio.charset.StandardCharsets;
+import java.util.List;
+import java.util.Map;
+
+@Slf4j
+@Repository
+@RequiredArgsConstructor
+public class ProductCacheRepositoryImpl implements ProductCacheRepository {
+
+    // TODO: https://github.com/spring-projects/spring-data-redis/blob/main/src/main/antora/modules/ROOT/pages/redis/scripting.adoc
+    private static final String HSET_IF_KEY_EXISTS = """
+            local k = KEYS[1]
+            if redis.call('EXISTS', k) == 1 then
+              return redis.call('HSET', k, ARGV[1], ARGV[2])
+            end
+            return -1
+            """;
+
+    private final RedisTemplate<String, Object> objectRedisTemplate;
+
+    @SuppressWarnings("unchecked")
+    @Override
+    public void replaceLikeCountsIfAbsent(List<Map.Entry<Long, Long>> entries) {
+        objectRedisTemplate.executePipelined((RedisConnection connection) -> {
+            RedisSerializer<String> keySerializer = (RedisSerializer<String>) objectRedisTemplate.getKeySerializer();
+            RedisSerializer<String> hashKeySerializer = (RedisSerializer<String>) objectRedisTemplate.getHashKeySerializer();
+            RedisSerializer<Object> hashValueSerializer = (RedisSerializer<Object>) objectRedisTemplate.getHashValueSerializer();
+
+            // Cache put
+            for (Map.Entry<Long, Long> entry : entries) {
+                byte[] key = keySerializer.serialize("product.detail:" + entry.getKey());
+                byte[] hashKey = hashKeySerializer.serialize("likeCount");
+                byte[] hashValue = hashValueSerializer.serialize(entry.getValue());
+
+                // Set value if key exists
+                byte[] script = HSET_IF_KEY_EXISTS.getBytes(StandardCharsets.UTF_8);
+                connection.scriptingCommands().eval(
+                        script,
+                        ReturnType.INTEGER,
+                        1, // key size
+                        key, hashKey, hashValue
+                );
+            }
+
+            return null;
+        });
+    }
+
+    @SuppressWarnings("unchecked")
+    @Override
+    public void evictProductDetails(List<Long> productIds) {
+        objectRedisTemplate.executePipelined((RedisConnection connection) -> {
+            RedisSerializer<String> keySerializer = (RedisSerializer<String>) objectRedisTemplate.getKeySerializer();
+
+            // Cache evict
+            byte[][] keys = productIds.stream()
+                    .map(productId -> "product.detail:" + productId)
+                    .map(keySerializer::serialize)
+                    .toArray(byte[][]::new);
+            connection.keyCommands().del(keys);
+
+            return null;
+        });
+    }
+
+}
diff --git a/apps/commerce-streamer/src/main/java/com/loopers/interfaces/consumer/audit/AuditKafkaConsumer.java b/apps/commerce-streamer/src/main/java/com/loopers/interfaces/consumer/audit/AuditKafkaConsumer.java
index 46b666a..b720de3 100644
--- a/apps/commerce-streamer/src/main/java/com/loopers/interfaces/consumer/audit/AuditKafkaConsumer.java
+++ b/apps/commerce-streamer/src/main/java/com/loopers/interfaces/consumer/audit/AuditKafkaConsumer.java
@@ -1,20 +1,19 @@
 package com.loopers.interfaces.consumer.audit;
 
-import com.fasterxml.jackson.core.type.TypeReference;
-import com.fasterxml.jackson.databind.ObjectMapper;
 import com.loopers.application.audit.AuditFacade;
 import com.loopers.application.audit.AuditInput;
 import com.loopers.config.kafka.KafkaConfig;
 import com.loopers.domain.KafkaMessage;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
-import org.apache.kafka.clients.consumer.ConsumerRecord;
 import org.springframework.kafka.annotation.KafkaListener;
 import org.springframework.kafka.support.Acknowledgment;
+import org.springframework.kafka.support.KafkaHeaders;
+import org.springframework.messaging.handler.annotation.Header;
+import org.springframework.messaging.handler.annotation.Payload;
 import org.springframework.stereotype.Component;
 
 import java.io.IOException;
-import java.util.ArrayList;
 import java.util.List;
 
 @Slf4j
@@ -22,7 +21,6 @@
 @RequiredArgsConstructor
 public class AuditKafkaConsumer {
 
-    private final ObjectMapper objectMapper;
     private final AuditFacade auditFacade;
 
     @KafkaListener(
@@ -30,27 +28,22 @@ public class AuditKafkaConsumer {
             containerFactory = KafkaConfig.BATCH_LISTENER
     )
     public void onDomainAudited(
-            List<ConsumerRecord<String, byte[]>> messages,
+            @Header(KafkaHeaders.RECEIVED_TOPIC) String topic,
+            @Header(KafkaHeaders.RECEIVED_KEY) List<String> keys,
+            @Payload List<KafkaMessage<DomainEvent.Audit>> messages,
             Acknowledgment acknowledgment
-    ) throws IOException {
-        String topicName = messages.getFirst().topic();
-        log.info("Received {} messages on '{}'", messages.size(), topicName);
-
-        List<AuditInput.Audit.Item> items = new ArrayList<>();
-        for (ConsumerRecord<String, byte[]> message : messages) {
-            KafkaMessage<DomainEvent.Audit> kafkaMessage = objectMapper.readValue(message.value(), new TypeReference<>() {
-            });
-
-            AuditInput.Audit.Item item = new AuditInput.Audit.Item(
-                    kafkaMessage.eventId(),
-                    kafkaMessage.payload().eventKey(),
-                    kafkaMessage.payload().eventName(),
-                    kafkaMessage.payload().userId()
-            );
-            items.add(item);
-        }
-
-        AuditInput.Audit input = new AuditInput.Audit(topicName, List.copyOf(items));
+    ) {
+        log.info("Received {} messages on '{}'", messages.size(), topic);
+
+        List<AuditInput.Audit.Item> items = messages.stream()
+                .map(message -> new AuditInput.Audit.Item(
+                        message.eventId(),
+                        message.payload().eventKey(),
+                        message.payload().eventName(),
+                        message.payload().userId()
+                ))
+                .toList();
+        AuditInput.Audit input = new AuditInput.Audit(topic, items);
         auditFacade.audit(input);
 
         // Manual ack
diff --git a/apps/commerce-streamer/src/main/java/com/loopers/interfaces/consumer/metric/MetricKafkaConsumer.java b/apps/commerce-streamer/src/main/java/com/loopers/interfaces/consumer/metric/MetricKafkaConsumer.java
index 0608f44..50ba5d2 100644
--- a/apps/commerce-streamer/src/main/java/com/loopers/interfaces/consumer/metric/MetricKafkaConsumer.java
+++ b/apps/commerce-streamer/src/main/java/com/loopers/interfaces/consumer/metric/MetricKafkaConsumer.java
@@ -1,7 +1,5 @@
 package com.loopers.interfaces.consumer.metric;
 
-import com.fasterxml.jackson.core.type.TypeReference;
-import com.fasterxml.jackson.databind.ObjectMapper;
 import com.loopers.application.metric.MetricFacade;
 import com.loopers.application.metric.MetricInput;
 import com.loopers.config.kafka.KafkaConfig;
@@ -9,14 +7,13 @@
 import com.loopers.interfaces.consumer.product.ProductEvent;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
-import org.apache.kafka.clients.consumer.ConsumerRecord;
 import org.springframework.kafka.annotation.KafkaListener;
 import org.springframework.kafka.support.Acknowledgment;
+import org.springframework.kafka.support.KafkaHeaders;
+import org.springframework.messaging.handler.annotation.Header;
+import org.springframework.messaging.handler.annotation.Payload;
 import org.springframework.stereotype.Component;
 
-import java.io.IOException;
-import java.time.LocalDate;
-import java.util.ArrayList;
 import java.util.List;
 
 @Slf4j
@@ -24,7 +21,6 @@
 @RequiredArgsConstructor
 public class MetricKafkaConsumer {
 
-    private final ObjectMapper objectMapper;
     private final MetricFacade metricFacade;
 
     @KafkaListener(
@@ -32,25 +28,21 @@ public class MetricKafkaConsumer {
             containerFactory = KafkaConfig.BATCH_LISTENER
     )
     public void onUserLiked(
-            List<ConsumerRecord<String, byte[]>> messages,
+            @Header(KafkaHeaders.RECEIVED_TOPIC) String topic,
+            @Payload List<KafkaMessage<ActivityEvent.Like>> messages,
             Acknowledgment acknowledgment
-    ) throws IOException {
-        String topicName = messages.getFirst().topic();
-        log.info("Received {} messages on '{}'", messages.size(), topicName);
-
-        List<MetricInput.AggregateProduct.Item> items = new ArrayList<>();
-        for (ConsumerRecord<String, byte[]> message : messages) {
-            KafkaMessage<ActivityEvent.Like> kafkaMessage = objectMapper.readValue(message.value(), new TypeReference<>() {
-            });
-
-            String eventId = kafkaMessage.eventId();
-            LocalDate date = kafkaMessage.publishedAt().toLocalDate();
-            Long productId = kafkaMessage.payload().productId();
-
-            items.add(MetricInput.AggregateProduct.Item.ofLikeCount(eventId, date, productId, 1L));
-        }
-
-        MetricInput.AggregateProduct input = new MetricInput.AggregateProduct(topicName, List.copyOf(items));
+    ) {
+        log.info("Received {} messages on '{}'", messages.size(), topic);
+
+        List<MetricInput.AggregateProduct.Item> items = messages.stream()
+                .map(message -> MetricInput.AggregateProduct.Item.ofLikeCount(
+                        message.eventId(),
+                        message.publishedAt().toLocalDate(),
+                        message.payload().productId(),
+                        1L
+                ))
+                .toList();
+        MetricInput.AggregateProduct input = new MetricInput.AggregateProduct(topic, items);
         metricFacade.aggregateProduct(input);
 
         acknowledgment.acknowledge();
@@ -61,25 +53,21 @@ public void onUserLiked(
             containerFactory = KafkaConfig.BATCH_LISTENER
     )
     public void onUserDisliked(
-            List<ConsumerRecord<String, byte[]>> messages,
+            @Header(KafkaHeaders.RECEIVED_TOPIC) String topic,
+            @Payload List<KafkaMessage<ActivityEvent.Dislike>> messages,
             Acknowledgment acknowledgment
-    ) throws IOException {
-        String topicName = messages.getFirst().topic();
-        log.info("Received {} messages on '{}'", messages.size(), topicName);
-
-        List<MetricInput.AggregateProduct.Item> items = new ArrayList<>();
-        for (ConsumerRecord<String, byte[]> message : messages) {
-            KafkaMessage<ActivityEvent.Like> kafkaMessage = objectMapper.readValue(message.value(), new TypeReference<>() {
-            });
-
-            String eventId = kafkaMessage.eventId();
-            LocalDate date = kafkaMessage.publishedAt().toLocalDate();
-            Long productId = kafkaMessage.payload().productId();
-
-            items.add(MetricInput.AggregateProduct.Item.ofLikeCount(eventId, date, productId, -1L));
-        }
-
-        MetricInput.AggregateProduct input = new MetricInput.AggregateProduct(topicName, List.copyOf(items));
+    ) {
+        log.info("Received {} messages on '{}'", messages.size(), topic);
+
+        List<MetricInput.AggregateProduct.Item> items = messages.stream()
+                .map(message -> MetricInput.AggregateProduct.Item.ofLikeCount(
+                        message.eventId(),
+                        message.publishedAt().toLocalDate(),
+                        message.payload().productId(),
+                        -1L
+                ))
+                .toList();
+        MetricInput.AggregateProduct input = new MetricInput.AggregateProduct(topic, items);
         metricFacade.aggregateProduct(input);
 
         acknowledgment.acknowledge();
@@ -90,25 +78,21 @@ public void onUserDisliked(
             containerFactory = KafkaConfig.BATCH_LISTENER
     )
     public void onUserViewed(
-            List<ConsumerRecord<String, byte[]>> messages,
+            @Header(KafkaHeaders.RECEIVED_TOPIC) String topic,
+            @Payload List<KafkaMessage<ActivityEvent.View>> messages,
             Acknowledgment acknowledgment
-    ) throws IOException {
-        String topicName = messages.getFirst().topic();
-        log.info("Received {} messages on '{}'", messages.size(), topicName);
-
-        List<MetricInput.AggregateProduct.Item> items = new ArrayList<>();
-        for (ConsumerRecord<String, byte[]> message : messages) {
-            KafkaMessage<ActivityEvent.View> kafkaMessage = objectMapper.readValue(message.value(), new TypeReference<>() {
-            });
-
-            String eventId = kafkaMessage.eventId();
-            LocalDate date = kafkaMessage.publishedAt().toLocalDate();
-            Long productId = kafkaMessage.payload().productId();
-
-            items.add(MetricInput.AggregateProduct.Item.ofViewCount(eventId, date, productId, 1L));
-        }
-
-        MetricInput.AggregateProduct input = new MetricInput.AggregateProduct(topicName, List.copyOf(items));
+    ) {
+        log.info("Received {} messages on '{}'", messages.size(), topic);
+
+        List<MetricInput.AggregateProduct.Item> items = messages.stream()
+                .map(message -> MetricInput.AggregateProduct.Item.ofViewCount(
+                        message.eventId(),
+                        message.publishedAt().toLocalDate(),
+                        message.payload().productId(),
+                        1L
+                ))
+                .toList();
+        MetricInput.AggregateProduct input = new MetricInput.AggregateProduct(topic, items);
         metricFacade.aggregateProduct(input);
 
         acknowledgment.acknowledge();
@@ -119,26 +103,21 @@ public void onUserViewed(
             containerFactory = KafkaConfig.BATCH_LISTENER
     )
     public void onProductSale(
-            List<ConsumerRecord<String, byte[]>> messages,
+            @Header(KafkaHeaders.RECEIVED_TOPIC) String topic,
+            @Payload List<KafkaMessage<ProductEvent.Sale>> messages,
             Acknowledgment acknowledgment
-    ) throws IOException {
-        String topicName = messages.getFirst().topic();
-        log.info("Received {} messages on '{}'", messages.size(), topicName);
-
-        List<MetricInput.AggregateProduct.Item> items = new ArrayList<>();
-        for (ConsumerRecord<String, byte[]> message : messages) {
-            KafkaMessage<ProductEvent.Sale> kafkaMessage = objectMapper.readValue(message.value(), new TypeReference<>() {
-            });
-
-            String eventId = kafkaMessage.eventId();
-            LocalDate date = kafkaMessage.publishedAt().toLocalDate();
-            Long productId = kafkaMessage.payload().productId();
-            long saleQuantity = kafkaMessage.payload().quantity().longValue();
-
-            items.add(MetricInput.AggregateProduct.Item.ofSaleQuantity(eventId, date, productId, saleQuantity));
-        }
-
-        MetricInput.AggregateProduct input = new MetricInput.AggregateProduct(topicName, List.copyOf(items));
+    ) {
+        log.info("Received {} messages on '{}'", messages.size(), topic);
+
+        List<MetricInput.AggregateProduct.Item> items = messages.stream()
+                .map(message -> MetricInput.AggregateProduct.Item.ofSaleQuantity(
+                        message.eventId(),
+                        message.publishedAt().toLocalDate(),
+                        message.payload().productId(),
+                        message.payload().quantity().longValue()
+                ))
+                .toList();
+        MetricInput.AggregateProduct input = new MetricInput.AggregateProduct(topic, items);
         metricFacade.aggregateProduct(input);
 
         acknowledgment.acknowledge();
diff --git a/apps/commerce-streamer/src/main/java/com/loopers/interfaces/consumer/product/ProductKafkaConsumer.java b/apps/commerce-streamer/src/main/java/com/loopers/interfaces/consumer/product/ProductKafkaConsumer.java
index 3eaf357..dec4876 100644
--- a/apps/commerce-streamer/src/main/java/com/loopers/interfaces/consumer/product/ProductKafkaConsumer.java
+++ b/apps/commerce-streamer/src/main/java/com/loopers/interfaces/consumer/product/ProductKafkaConsumer.java
@@ -1,19 +1,18 @@
 package com.loopers.interfaces.consumer.product;
 
-import com.fasterxml.jackson.core.type.TypeReference;
-import com.fasterxml.jackson.databind.ObjectMapper;
 import com.loopers.config.kafka.KafkaConfig;
 import com.loopers.domain.KafkaMessage;
+import com.loopers.domain.product.ProductCommand;
+import com.loopers.domain.product.ProductService;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
-import org.apache.kafka.clients.consumer.ConsumerRecord;
-import org.springframework.data.redis.core.RedisTemplate;
 import org.springframework.kafka.annotation.KafkaListener;
 import org.springframework.kafka.support.Acknowledgment;
+import org.springframework.kafka.support.KafkaHeaders;
+import org.springframework.messaging.handler.annotation.Header;
+import org.springframework.messaging.handler.annotation.Payload;
 import org.springframework.stereotype.Component;
 
-import java.io.IOException;
-import java.util.ArrayList;
 import java.util.List;
 
 @Slf4j
@@ -21,28 +20,27 @@
 @RequiredArgsConstructor
 public class ProductKafkaConsumer {
 
-    private final RedisTemplate<String, Object> objectRedisTemplate;
-    private final ObjectMapper objectMapper;
+    private final ProductService productService;
 
     @KafkaListener(
             topics = "${loopers.kafka.topics.ProductEvent.LikeChanged}",
             containerFactory = KafkaConfig.BATCH_LISTENER
     )
     public void onProductLikeCountChanged(
-            List<ConsumerRecord<String, byte[]>> messages,
+            @Header(KafkaHeaders.RECEIVED_TOPIC) String topic,
+            @Payload List<KafkaMessage<ProductEvent.LikeChanged>> messages,
             Acknowledgment acknowledgment
-    ) throws IOException {
-        log.info("Received {} messages on '{}'", messages.size(), messages.getFirst().topic());
+    ) {
+        log.info("Received {} messages on '{}'", messages.size(), topic);
 
-        // Cache put
-        for (ConsumerRecord<String, byte[]> message : messages) {
-            String key = "product.detail:" + message.key();
-            KafkaMessage<ProductEvent.LikeChanged> kafkaMessage = objectMapper.readValue(message.value(), new TypeReference<>() {
-            });
-
-            Long likeCount = kafkaMessage.payload().likeCount();
-            objectRedisTemplate.opsForHash().putIfAbsent(key, "likeCount", likeCount);
-        }
+        List<ProductCommand.ReplaceLikeCounts.Item> items = messages.stream()
+                .map(message -> new ProductCommand.ReplaceLikeCounts.Item(
+                        message.payload().productId(),
+                        message.payload().likeCount()
+                ))
+                .toList();
+        ProductCommand.ReplaceLikeCounts command = new ProductCommand.ReplaceLikeCounts(items);
+        productService.replaceLikeCounts(command);
 
         acknowledgment.acknowledge();
     }
@@ -52,25 +50,20 @@ public void onProductLikeCountChanged(
             containerFactory = KafkaConfig.BATCH_LISTENER
     )
     public void onProductStockChanged(
-            List<ConsumerRecord<String, byte[]>> messages,
+            @Header(KafkaHeaders.RECEIVED_TOPIC) String topic,
+            @Payload List<KafkaMessage<ProductEvent.StockChanged>> messages,
             Acknowledgment acknowledgment
-    ) throws IOException {
-        log.info("Received {} messages on '{}'", messages.size(), messages.getFirst().topic());
-
-        // Cache evict
-        List<String> cacheKeys = new ArrayList<>();
-        for (ConsumerRecord<String, byte[]> message : messages) {
-            KafkaMessage<ProductEvent.StockChanged> kafkaMessage = objectMapper.readValue(message.value(), new TypeReference<>() {
-            });
-
-            // 재고가 소진된 상품만 캐시를 삭제한다.
-            if (kafkaMessage.payload().quantity() == 0) {
-                Long productId = kafkaMessage.payload().productId();
-                cacheKeys.add("product.detail:" + productId);
-            }
-        }
+    ) {
+        log.info("Received {} messages on '{}'", messages.size(), topic);
 
-        objectRedisTemplate.delete(cacheKeys);
+        List<ProductCommand.RemoveDetails.Item> items = messages.stream()
+                .map(message -> new ProductCommand.RemoveDetails.Item(
+                        message.payload().productId(),
+                        message.payload().quantity()
+                ))
+                .toList();
+        ProductCommand.RemoveDetails command = new ProductCommand.RemoveDetails(items);
+        productService.removeDetails(command);
 
         acknowledgment.acknowledge();
     }
diff --git a/docs/ranking/realtime-ranking.excalidraw b/docs/ranking/realtime-ranking.excalidraw
new file mode 100644
index 0000000..2582207
--- /dev/null
+++ b/docs/ranking/realtime-ranking.excalidraw
@@ -0,0 +1,5143 @@
+{
+  "type": "excalidraw",
+  "version": 2,
+  "source": "https://excalidraw.com",
+  "elements": [
+    {
+      "id": "TSlLGL7bTsmiO8U_SksfR",
+      "type": "rectangle",
+      "x": 257.9951749920729,
+      "y": -28.47711786076116,
+      "width": 159.80853298484524,
+      "height": 305.8296631239391,
+      "angle": 0,
+      "strokeColor": "#1e1e1e",
+      "backgroundColor": "#ffffff",
+      "fillStyle": "solid",
+      "strokeWidth": 2,
+      "strokeStyle": "solid",
+      "roughness": 1,
+      "opacity": 100,
+      "groupIds": [],
+      "frameId": null,
+      "index": "Zy",
+      "roundness": {
+        "type": 3
+      },
+      "seed": 1373688168,
+      "version": 751,
+      "versionNonce": 123362584,
+      "isDeleted": false,
+      "boundElements": null,
+      "updated": 1757645314832,
+      "link": null,
+      "locked": false
+    },
+    {
+      "id": "wlPWMVxPq8aKGVeDu8ZwB",
+      "type": "rectangle",
+      "x": 534.2434869292481,
+      "y": -28.477117860761155,
+      "width": 188.84604322575277,
+      "height": 305.8296631239391,
+      "angle": 0,
+      "strokeColor": "#1e1e1e",
+      "backgroundColor": "#ffffff",
+      "fillStyle": "solid",
+      "strokeWidth": 2,
+      "strokeStyle": "solid",
+      "roughness": 1,
+      "opacity": 100,
+      "groupIds": [],
+      "frameId": null,
+      "index": "ZyV",
+      "roundness": {
+        "type": 3
+      },
+      "seed": 1639079448,
+      "version": 839,
+      "versionNonce": 1262418456,
+      "isDeleted": false,
+      "boundElements": null,
+      "updated": 1757645314832,
+      "link": null,
+      "locked": false
+    },
+    {
+      "id": "k8Vkini86J7fpoeDmOCtO",
+      "type": "rectangle",
+      "x": -493.72993627459005,
+      "y": -28.477117860761155,
+      "width": 179.55474299237076,
+      "height": 305.8296631239391,
+      "angle": 0,
+      "strokeColor": "#1e1e1e",
+      "backgroundColor": "#ffffff",
+      "fillStyle": "solid",
+      "strokeWidth": 2,
+      "strokeStyle": "solid",
+      "roughness": 1,
+      "opacity": 100,
+      "groupIds": [],
+      "frameId": null,
+      "index": "Zz",
+      "roundness": {
+        "type": 3
+      },
+      "seed": 4335128,
+      "version": 559,
+      "versionNonce": 1259825512,
+      "isDeleted": false,
+      "boundElements": null,
+      "updated": 1757645484090,
+      "link": null,
+      "locked": false
+    },
+    {
+      "id": "x3qjxnofJsDE_HeqDymwl",
+      "type": "rectangle",
+      "x": -766.3458044199912,
+      "y": -28.47711786076116,
+      "width": 159.80853298484524,
+      "height": 305.8296631239391,
+      "angle": 0,
+      "strokeColor": "#1e1e1e",
+      "backgroundColor": "#ffffff",
+      "fillStyle": "solid",
+      "strokeWidth": 2,
+      "strokeStyle": "solid",
+      "roughness": 1,
+      "opacity": 100,
+      "groupIds": [],
+      "frameId": null,
+      "index": "ZzV",
+      "roundness": {
+        "type": 3
+      },
+      "seed": 1119263000,
+      "version": 594,
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+      "strokeStyle": "solid",
+      "roughness": 1,
+      "opacity": 100,
+      "groupIds": [],
+      "frameId": null,
+      "index": "b0Z",
+      "roundness": null,
+      "seed": 2011241064,
+      "version": 527,
+      "versionNonce": 1405198104,
+      "isDeleted": false,
+      "boundElements": null,
+      "updated": 1757659473578,
+      "link": null,
+      "locked": false,
+      "text": "at -0.5h by scheduler",
+      "fontSize": 10.430974917508802,
+      "fontFamily": 5,
+      "textAlign": "center",
+      "verticalAlign": "top",
+      "containerId": null,
+      "originalText": "at -0.5h by scheduler",
+      "autoResize": true,
+      "lineHeight": 1.25
+    }
+  ],
+  "appState": {
+    "gridSize": 20,
+    "gridStep": 5,
+    "gridModeEnabled": false,
+    "viewBackgroundColor": "#ffffff",
+    "lockedMultiSelections": {}
+  },
+  "files": {}
+}
\ No newline at end of file
diff --git a/docs/ranking/realtime-ranking.png b/docs/ranking/realtime-ranking.png
new file mode 100644
index 0000000..915d5da
Binary files /dev/null and b/docs/ranking/realtime-ranking.png differ
diff --git a/http/commerce-api/rank.http b/http/commerce-api/rank.http
new file mode 100644
index 0000000..7aed0a1
--- /dev/null
+++ b/http/commerce-api/rank.http
@@ -0,0 +1,4 @@
+### 상품 랭킹 조회
+GET {{commerce-api}}/api/v1/rankings?date=2025-09-10&page=1&size=10
+X-USER-ID: user000001
+Content-Type: application/json
diff --git a/modules/jpa/src/main/java/com/loopers/config/jpa/JpaConfig.java b/modules/jpa/src/main/java/com/loopers/config/jpa/JpaConfig.java
index 7fad587..dfa52f8 100644
--- a/modules/jpa/src/main/java/com/loopers/config/jpa/JpaConfig.java
+++ b/modules/jpa/src/main/java/com/loopers/config/jpa/JpaConfig.java
@@ -5,9 +5,23 @@
 import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
 import org.springframework.transaction.annotation.EnableTransactionManagement;
 
+/**
+ * <h3>
+ * <code>&#064;EnableJpaRepositories(enableDefaultTransactions = false)</code>
+ * </h3>
+ * {@code SimpleJpaRepository}에 <code>&#064;Transactional</code>이 붙어져 있다.
+ * {@code findById}, {@code findAll}을 사용하면 {@link com.loopers.annotation.ReadOnlyTransactional}을 사용해도
+ * 읽기 전용 트랜잭션을 종료하가 위해, commit 요청을 보낸다. 이를 방지하기 위해 {@code JpaRepository}의 기본 트랜잭션을 비활성화한다.
+ * <p>
+ * 비활성화하면 {@code CrudRepository}의 메서드를 실행하는데, 여기에는 애노테이션이 붙어있지 않다.
+ * 따라서 {@code save}, {@code saveAll}를 호출할 때 트랜잭션 내에서 실행해야 한다.
+ */
 @Configuration
 @EnableTransactionManagement
-@EntityScan({"com.loopers"})
-@EnableJpaRepositories({"com.loopers.infrastructure"})
+@EntityScan(basePackages = "com.loopers")
+@EnableJpaRepositories(
+        basePackages = "com.loopers.infrastructure",
+        enableDefaultTransactions = false
+)
 public class JpaConfig {
 }
diff --git a/modules/kafka/src/main/java/com/loopers/config/kafka/KafkaConfig.java b/modules/kafka/src/main/java/com/loopers/config/kafka/KafkaConfig.java
index d62f80e..893e67c 100644
--- a/modules/kafka/src/main/java/com/loopers/config/kafka/KafkaConfig.java
+++ b/modules/kafka/src/main/java/com/loopers/config/kafka/KafkaConfig.java
@@ -18,6 +18,10 @@
 import java.util.HashMap;
 import java.util.Map;
 
+/**
+ * @see <a href="https://kafka.apache.org/documentation/">
+ * Apache Kafka Documentation</a>
+ */
 @EnableKafka
 @Configuration
 @EnableConfigurationProperties({KafkaProperties.class, LoopersKafkaProperties.class})
@@ -25,12 +29,12 @@ public class KafkaConfig {
 
     public static final String BATCH_LISTENER = "BATCH_LISTENER_DEFAULT";
 
+    public static final int MAX_POLL_INTERVAL_MS = 2 * 60 * 1000; // max poll interval = 2m
     public static final int MAX_POLLING_SIZE = 3000; // read 3000 msg
     public static final int FETCH_MIN_BYTES = (1024 * 1024); // 1mb
     public static final int FETCH_MAX_WAIT_MS = 5 * 1000; // broker waiting time = 5s
     public static final int SESSION_TIMEOUT_MS = 60 * 1000; // session timeout = 1m
     public static final int HEARTBEAT_INTERVAL_MS = 20 * 1000; // heartbeat interval = 20s ( 1/3 of session_timeout )
-    public static final int MAX_POLL_INTERVAL_MS = 2 * 60 * 1000; // max poll interval = 2m
 
     @Bean
     public ProducerFactory<Object, Object> producerFactory(KafkaProperties kafkaProperties) {
@@ -61,12 +65,18 @@ public ConcurrentKafkaListenerContainerFactory<Object, Object> defaultBatchListe
             ByteArrayJsonMessageConverter converter
     ) {
         Map<String, Object> consumerConfig = new HashMap<>(kafkaProperties.buildConsumerProperties());
+        /*
+         max.poll.interval.ms 이내에 1번의 polling으로 갖고온 records를 처리하지 못하면,
+         브로커가 해당 멤버(컨슈머)를 실패로 간주하여, 파티션을 회수하고 리밸런스가 발생한다.
+         'max.poll.interval.ms 이내에 최대 max.poll.records(최악의 배치 크기)를 처리한다'라는 SLO로 삼을 수 있다.
+         */
+        consumerConfig.put(ConsumerConfig.MAX_POLL_INTERVAL_MS_CONFIG, MAX_POLL_INTERVAL_MS);
         consumerConfig.put(ConsumerConfig.MAX_POLL_RECORDS_CONFIG, MAX_POLLING_SIZE);
         consumerConfig.put(ConsumerConfig.FETCH_MIN_BYTES_CONFIG, FETCH_MIN_BYTES);
         consumerConfig.put(ConsumerConfig.FETCH_MAX_WAIT_MS_CONFIG, FETCH_MAX_WAIT_MS);
+
         consumerConfig.put(ConsumerConfig.SESSION_TIMEOUT_MS_CONFIG, SESSION_TIMEOUT_MS);
         consumerConfig.put(ConsumerConfig.HEARTBEAT_INTERVAL_MS_CONFIG, HEARTBEAT_INTERVAL_MS);
-        consumerConfig.put(ConsumerConfig.MAX_POLL_INTERVAL_MS_CONFIG, MAX_POLL_INTERVAL_MS);
 
         ConcurrentKafkaListenerContainerFactory<Object, Object> factory = new ConcurrentKafkaListenerContainerFactory<>();
         factory.setConsumerFactory(new DefaultKafkaConsumerFactory<>(consumerConfig));
diff --git a/modules/redis/src/main/java/com/loopers/support/StringUtils.java b/modules/redis/src/main/java/com/loopers/support/StringUtils.java
new file mode 100644
index 0000000..bae2752
--- /dev/null
+++ b/modules/redis/src/main/java/com/loopers/support/StringUtils.java
@@ -0,0 +1,44 @@
+package com.loopers.support;
+
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
+
+import java.util.Arrays;
+
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+public final class StringUtils {
+
+    public static String padStart(String s, int length, char pad) {
+        if (length <= 0) {
+            return "";
+        }
+
+        int originLength = s.length();
+        int padCount = length - originLength;
+
+        // No copy; fastest path
+        if (padCount <= 0) {
+            return s;
+        }
+
+        char[] chars = new char[length];
+        Arrays.fill(chars, 0, padCount, pad);
+
+        // Bulk copy
+        s.getChars(0, originLength, chars, padCount);
+
+        return new String(chars);
+    }
+
+    public static String invert9sComplement(String s) {
+        char[] chars = s.toCharArray();
+
+        for (int i = 0; i < chars.length; i++) {
+            char c = chars[i];
+            chars[i] = (char) ('9' - (c - '0'));
+        }
+
+        return new String(chars);
+    }
+
+}
diff --git a/apps/commerce-api/src/test/java/com/loopers/support/StringUtilsTest.java b/modules/redis/src/test/java/com/loopers/support/StringUtilsTest.java
similarity index 100%
rename from apps/commerce-api/src/test/java/com/loopers/support/StringUtilsTest.java
rename to modules/redis/src/test/java/com/loopers/support/StringUtilsTest.java
diff --git a/supports/jackson/src/main/java/com/loopers/config/jackson/JacksonConfig.java b/supports/jackson/src/main/java/com/loopers/config/jackson/JacksonConfig.java
index 581f939..c8d0861 100644
--- a/supports/jackson/src/main/java/com/loopers/config/jackson/JacksonConfig.java
+++ b/supports/jackson/src/main/java/com/loopers/config/jackson/JacksonConfig.java
@@ -3,6 +3,7 @@
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.core.JsonGenerator;
 import com.fasterxml.jackson.databind.DeserializationFeature;
+import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.SerializationFeature;
 import org.springframework.boot.autoconfigure.jackson.Jackson2ObjectMapperBuilderCustomizer;
 import org.springframework.context.annotation.Bean;
@@ -45,4 +46,10 @@ public Jackson2ObjectMapperBuilderCustomizer jacksonCustomizer() {
             );
         };
     }
+
+    @Bean
+    public WrappedObjectMapper wrappedObjectMapper(ObjectMapper objectMapper) {
+        return new WrappedObjectMapper(objectMapper);
+    }
+
 }
diff --git a/supports/jackson/src/main/java/com/loopers/config/jackson/WrappedObjectMapper.java b/supports/jackson/src/main/java/com/loopers/config/jackson/WrappedObjectMapper.java
new file mode 100644
index 0000000..50da31e
--- /dev/null
+++ b/supports/jackson/src/main/java/com/loopers/config/jackson/WrappedObjectMapper.java
@@ -0,0 +1,69 @@
+package com.loopers.config.jackson;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import lombok.RequiredArgsConstructor;
+import lombok.experimental.Delegate;
+
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+@RequiredArgsConstructor
+public class WrappedObjectMapper {
+
+    @Delegate
+    private final ObjectMapper mapper;
+
+    public WrappedObjectMapper() {
+        this.mapper = new ObjectMapper();
+    }
+
+    public <T> T readMap(Map<String, String> jsonMap, TypeReference<T> typeRef) {
+        ObjectNode node = mapper.createObjectNode();
+        jsonMap.forEach((k, json) -> {
+            try {
+                node.set(k, mapper.readTree(json));
+            } catch (Exception e) {
+                throw new RuntimeException(e);
+            }
+        });
+
+        try {
+            return mapper.treeToValue(node, typeRef);
+        } catch (Exception e) {
+            return null;
+        }
+    }
+
+    public Map<String, String> writeValueAsMap(Object o) {
+        JsonNode node = mapper.valueToTree(o);
+        Map<String, String> jsonMap = new LinkedHashMap<>();
+
+        node.fields().forEachRemaining(e -> {
+            JsonNode v = e.getValue();
+            jsonMap.put(e.getKey(), v.toString());
+        });
+
+        return jsonMap;
+    }
+
+    public <T> T readValue(String json, TypeReference<T> typeRef) {
+        try {
+            return mapper.readValue(json, typeRef);
+        } catch (JsonProcessingException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public String writeValueAsString(Object value) {
+        try {
+            return mapper.writeValueAsString(value);
+        } catch (JsonProcessingException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+}