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| 1 | +/* |
| 2 | + * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. |
| 3 | + * SPDX-License-Identifier: Apache-2.0 |
| 4 | + */ |
| 5 | +use aws_sdk_s3_transfer_manager::error::Error; |
| 6 | +use aws_sdk_s3_transfer_manager::operation::download::{Body, DownloadHandle}; |
| 7 | +use bytes::Bytes; |
| 8 | +use criterion::{criterion_group, BenchmarkId, Criterion, Throughput}; |
| 9 | +use s3_mock_server::S3MockServer; |
| 10 | +use std::hint::black_box; |
| 11 | +use tokio::fs; |
| 12 | +use tokio::io::AsyncWriteExt; |
| 13 | + |
| 14 | +/// drain/consume the body |
| 15 | +pub async fn drain(handle: &mut DownloadHandle) -> Result<(), Error> { |
| 16 | + let body = handle.body_mut(); |
| 17 | + while let Some(chunk) = body.next().await { |
| 18 | + match chunk { |
| 19 | + Ok(_chunk) => {} |
| 20 | + Err(err) => return Err(err), |
| 21 | + } |
| 22 | + } |
| 23 | + |
| 24 | + Ok(()) |
| 25 | +} |
| 26 | + |
| 27 | +/// write body to file |
| 28 | +pub async fn write_body( |
| 29 | + body: &mut Body, |
| 30 | + mut dest: fs::File, |
| 31 | +) -> Result<(), Box<dyn std::error::Error + Send + Sync>> { |
| 32 | + while let Some(chunk) = body.next().await { |
| 33 | + let chunk = chunk?.data; |
| 34 | + for segment in chunk.into_segments() { |
| 35 | + dest.write_all(segment.as_ref()).await?; |
| 36 | + } |
| 37 | + } |
| 38 | + Ok(()) |
| 39 | +} |
| 40 | + |
| 41 | +/// Setup shared test infrastructure |
| 42 | +async fn setup_test( |
| 43 | + size: usize, |
| 44 | +) -> ( |
| 45 | + S3MockServer, |
| 46 | + s3_mock_server::ServerHandle, |
| 47 | + aws_sdk_s3_transfer_manager::Client, |
| 48 | +) { |
| 49 | + let mock_server = S3MockServer::builder() |
| 50 | + .with_in_memory_store() |
| 51 | + .build() |
| 52 | + .unwrap(); |
| 53 | + |
| 54 | + let data = Bytes::from(vec![0u8; size]); |
| 55 | + mock_server |
| 56 | + .add_object("test-key", data, None) |
| 57 | + .await |
| 58 | + .unwrap(); |
| 59 | + |
| 60 | + let handle = mock_server.start().await.unwrap(); |
| 61 | + let s3_client = handle.client().await; |
| 62 | + |
| 63 | + let tm_config = aws_sdk_s3_transfer_manager::Config::builder() |
| 64 | + .client(s3_client) |
| 65 | + .build(); |
| 66 | + let tm = aws_sdk_s3_transfer_manager::Client::new(tm_config); |
| 67 | + |
| 68 | + (mock_server, handle, tm) |
| 69 | +} |
| 70 | + |
| 71 | +fn download_throughput_benchmark(c: &mut Criterion) { |
| 72 | + let rt = tokio::runtime::Runtime::new().unwrap(); |
| 73 | + |
| 74 | + let mut group = c.benchmark_group("download_throughput"); |
| 75 | + group.sample_size(10); |
| 76 | + |
| 77 | + // Test sizes relevant for multipart downloads (5MB minimum part size) |
| 78 | + let sizes = vec![ |
| 79 | + ("5GB", 5 * 1024 * 1024 * 1024), |
| 80 | + ("10GB", 10 * 1024 * 1024 * 1024), |
| 81 | + ]; |
| 82 | + |
| 83 | + for (name, size) in sizes { |
| 84 | + group.throughput(Throughput::Bytes(size as u64)); |
| 85 | + |
| 86 | + // Benchmark Transfer Manager - drain to memory |
| 87 | + group.bench_with_input( |
| 88 | + BenchmarkId::new("transfer_manager_ram", name), |
| 89 | + &size, |
| 90 | + |b, &size| { |
| 91 | + b.iter_custom(|iters| { |
| 92 | + rt.block_on(async { |
| 93 | + let (_mock_server, handle, tm) = setup_test(size).await; |
| 94 | + |
| 95 | + let start = std::time::Instant::now(); |
| 96 | + for _ in 0..iters { |
| 97 | + let mut dl_handle = tm |
| 98 | + .download() |
| 99 | + .bucket("test-bucket") |
| 100 | + .key("test-key") |
| 101 | + .initiate() |
| 102 | + .expect("successful transfer initiate"); |
| 103 | + black_box(drain(&mut dl_handle).await.unwrap()); |
| 104 | + } |
| 105 | + let elapsed = start.elapsed(); |
| 106 | + |
| 107 | + handle.shutdown().await.unwrap(); |
| 108 | + elapsed |
| 109 | + }) |
| 110 | + }); |
| 111 | + }, |
| 112 | + ); |
| 113 | + |
| 114 | + // Benchmark Transfer Manager - write to file |
| 115 | + group.bench_with_input( |
| 116 | + BenchmarkId::new("transfer_manager_tmpfs", name), |
| 117 | + &size, |
| 118 | + |b, &size| { |
| 119 | + b.iter_custom(|iters| { |
| 120 | + rt.block_on(async { |
| 121 | + let (_mock_server, handle, tm) = setup_test(size).await; |
| 122 | + |
| 123 | + let mut tmp_files = Vec::new(); |
| 124 | + let start = std::time::Instant::now(); |
| 125 | + for i in 0..iters { |
| 126 | + let mut dl_handle = tm |
| 127 | + .download() |
| 128 | + .bucket("test-bucket") |
| 129 | + .key("test-key") |
| 130 | + .initiate() |
| 131 | + .expect("successful transfer initiate"); |
| 132 | + |
| 133 | + let temp_file = format!("/tmp/benchmark_output_{}.dat", i); |
| 134 | + tmp_files.push(temp_file.clone()); |
| 135 | + let file = fs::File::create(&temp_file).await.unwrap(); |
| 136 | + write_body(dl_handle.body_mut(), file).await.unwrap(); |
| 137 | + } |
| 138 | + let elapsed = start.elapsed(); |
| 139 | + |
| 140 | + // cleanup |
| 141 | + for temp_file in tmp_files { |
| 142 | + let _ = fs::remove_file(&temp_file).await; |
| 143 | + } |
| 144 | + handle.shutdown().await.unwrap(); |
| 145 | + elapsed |
| 146 | + }) |
| 147 | + }); |
| 148 | + }, |
| 149 | + ); |
| 150 | + } |
| 151 | + |
| 152 | + group.finish(); |
| 153 | +} |
| 154 | + |
| 155 | +criterion_group!(benches, download_throughput_benchmark); |
| 156 | + |
| 157 | +fn main() { |
| 158 | + tracing_subscriber::fmt::init(); |
| 159 | + benches(); |
| 160 | + |
| 161 | + Criterion::default().configure_from_args().final_summary(); |
| 162 | +} |
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