Turbopack: follow tracing spans through aggregation update queue

[sokra]

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[sokra]

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• Turbopack: refactor data storage to avoid reverse task cache #88492
• Turbopack: avoid chunk_item_id task and use selective cell access instead #88411
• Turbopack: follow tracing spans through aggregation update queue #88410 👈 (View in Graphite)
• Turbopack: Consistency for compute_async_module_info #88409
• Turbopack: snapshot the ModuleGraph to avoid (eventual) inconsistent graphs #88340
• Turbopack: avoid removing cells for erroring tasks #88305
• Turbopack: run tasks with priority based on distance to leaf #87662 : 1 other dependent PR (#88339 )
• Turbopack: parallelize making dependent tasks dirty #86755
• Turbopack: replace is_reference_used with unused_references set #88304
• Turbopack: add support for selective reads of keyed cell values #88303
• canary

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Stats from current PR

✅ No significant changes detected

📊 All Metrics

📖 Metrics Glossary

Dev Server Metrics:

• Listen = TCP port starts accepting connections
• First Request = HTTP server returns successful response
• Cold = Fresh build (no cache)
• Warm = With cached build artifacts

Build Metrics:

• Fresh = Clean build (no .next directory)
• Cached = With existing .next directory

Change Thresholds:

• Time: Changes < 50ms AND < 10%, OR < 2% are insignificant
• Size: Changes < 1KB AND < 1% are insignificant
• All other changes are flagged to catch regressions

⚡ Dev Server

Metric	Canary	PR	Change	Trend
Cold (Listen)	455ms	455ms	✓	▁▁▁▁▁
Cold (Ready in log)	439ms	439ms	✓	▁▂▂▂▂
Cold (First Request)	1.142s	1.153s	✓	▁▄▄▄▄
Warm (Listen)	456ms	457ms	✓	▁▁▁▁▁
Warm (Ready in log)	444ms	443ms	✓	▁▁▁▁▁
Warm (First Request)	339ms	343ms	✓	▁▁▁▁▁

📦 Dev Server (Webpack) (Legacy)

📦 Dev Server (Webpack)

Metric	Canary	PR	Change	Trend
Cold (Listen)	455ms	456ms	✓	▁▁▁▁█
Cold (Ready in log)	436ms	436ms	✓	▃▄▁▄█
Cold (First Request)	1.797s	1.815s	✓	▂▂▁▂█
Warm (Listen)	456ms	456ms	✓	▁▁▁▁█
Warm (Ready in log)	435ms	437ms	✓	▃▃▁▄█
Warm (First Request)	1.822s	1.834s	✓	▂▂▁▂█

⚡ Production Builds

Metric	Canary	PR	Change	Trend
Fresh Build	4.063s	4.076s	✓	▁▁▁▁▁
Cached Build	4.080s	4.083s	✓	▂▁▁▁▁

📦 Production Builds (Webpack) (Legacy)

📦 Production Builds (Webpack)

Metric	Canary	PR	Change	Trend
Fresh Build	13.896s	13.904s	✓	▁▁▁▁█
Cached Build	13.982s	13.985s	✓	▁▁▁▁█
node_modules Size	458 MB	458 MB	✓	▁▁▁▁▁

📦 Bundle Sizes

Bundle Sizes

⚡ Turbopack

Client

Main Bundles: **431 kB** → **431 kB** ✅ -7 B

82 files with content-based hashes (individual files not comparable between builds)

Server

Middleware

	Canary	PR	Change
middleware-b..fest.js gzip	789 B	792 B	✓
Total	789 B	792 B	⚠️ +3 B

Build Details

Build Manifests

	Canary	PR	Change
_buildManifest.js gzip	450 B	450 B	✓
Total	450 B	450 B	✓

📦 Webpack

Client

Main Bundles

	Canary	PR	Change
2086.HASH.js gzip	169 B	N/A	-
2161-HASH.js gzip	5.41 kB	N/A	-
2747-HASH.js gzip	4.48 kB	N/A	-
4322-HASH.js gzip	52.8 kB	N/A	-
ec793fe8-HASH.js gzip	62.3 kB	N/A	-
framework-HASH.js gzip	59.8 kB	59.8 kB	✓
main-app-HASH.js gzip	251 B	254 B	🔴 +3 B (+1%)
main-HASH.js gzip	38.6 kB	39 kB	✓
webpack-HASH.js gzip	1.68 kB	1.68 kB	✓
1596.HASH.js gzip	N/A	169 B	-
2658-HASH.js gzip	N/A	52.7 kB	-
6349-HASH.js gzip	N/A	4.46 kB	-
7019-HASH.js gzip	N/A	5.43 kB	-
b17a3386-HASH.js gzip	N/A	62.3 kB	-
Total	225 kB	226 kB	⚠️ +245 B

Polyfills

	Canary	PR	Change
polyfills-HASH.js gzip	39.4 kB	39.4 kB	✓
Total	39.4 kB	39.4 kB	✓

Pages

	Canary	PR	Change
_app-HASH.js gzip	194 B	193 B	✓
_error-HASH.js gzip	182 B	182 B	✓
css-HASH.js gzip	336 B	335 B	✓
dynamic-HASH.js gzip	1.8 kB	1.8 kB	✓
edge-ssr-HASH.js gzip	256 B	256 B	✓
head-HASH.js gzip	352 B	349 B	✓
hooks-HASH.js gzip	385 B	384 B	✓
image-HASH.js gzip	580 B	580 B	✓
index-HASH.js gzip	259 B	258 B	✓
link-HASH.js gzip	2.5 kB	2.51 kB	✓
routerDirect..HASH.js gzip	319 B	317 B	✓
script-HASH.js gzip	385 B	387 B	✓
withRouter-HASH.js gzip	316 B	315 B	✓
1afbb74e6ecf..834.css gzip	106 B	106 B	✓
Total	7.97 kB	7.96 kB	✅ -8 B

Server

Edge SSR

	Canary	PR	Change
edge-ssr.js gzip	125 kB	125 kB	✓
page.js gzip	242 kB	242 kB	✓
Total	366 kB	367 kB	⚠️ +497 B

Middleware

	Canary	PR	Change
middleware-b..fest.js gzip	652 B	654 B	✓
middleware-r..fest.js gzip	155 B	156 B	✓
middleware.js gzip	33 kB	33.3 kB	✓
edge-runtime..pack.js gzip	842 B	842 B	✓
Total	34.7 kB	35 kB	⚠️ +303 B

Build Details

Build Manifests

	Canary	PR	Change
_buildManifest.js gzip	738 B	738 B	✓
Total	738 B	738 B	✓

Build Cache

	Canary	PR	Change
0.pack gzip	3.66 MB	3.67 MB	🔴 +6.11 kB (+0%)
index.pack gzip	99.6 kB	101 kB	🔴 +1.41 kB (+1%)
index.pack.old gzip	99.9 kB	100 kB	✓
Total	3.86 MB	3.87 MB	⚠️ +8.02 kB

🔄 Shared (bundler-independent)

Runtimes

	Canary	PR	Change
app-page-exp...dev.js gzip	304 kB	304 kB	✓
app-page-exp..prod.js gzip	158 kB	158 kB	✓
app-page-tur...dev.js gzip	304 kB	304 kB	✓
app-page-tur..prod.js gzip	158 kB	158 kB	✓
app-page-tur...dev.js gzip	300 kB	300 kB	✓
app-page-tur..prod.js gzip	156 kB	156 kB	✓
app-page.run...dev.js gzip	301 kB	301 kB	✓
app-page.run..prod.js gzip	156 kB	156 kB	✓
app-route-ex...dev.js gzip	68.8 kB	68.8 kB	✓
app-route-ex..prod.js gzip	47.6 kB	47.6 kB	✓
app-route-tu...dev.js gzip	68.8 kB	68.8 kB	✓
app-route-tu..prod.js gzip	47.6 kB	47.6 kB	✓
app-route-tu...dev.js gzip	68.4 kB	68.4 kB	✓
app-route-tu..prod.js gzip	47.4 kB	47.4 kB	✓
app-route.ru...dev.js gzip	68.4 kB	68.4 kB	✓
app-route.ru..prod.js gzip	47.3 kB	47.3 kB	✓
dist_client_...dev.js gzip	324 B	324 B	✓
dist_client_...dev.js gzip	326 B	326 B	✓
dist_client_...dev.js gzip	318 B	318 B	✓
dist_client_...dev.js gzip	317 B	317 B	✓
pages-api-tu...dev.js gzip	41.2 kB	41.2 kB	✓
pages-api-tu..prod.js gzip	31.3 kB	31.3 kB	✓
pages-api.ru...dev.js gzip	41.1 kB	41.1 kB	✓
pages-api.ru..prod.js gzip	31.2 kB	31.2 kB	✓
pages-turbo....dev.js gzip	50.8 kB	50.8 kB	✓
pages-turbo...prod.js gzip	38.2 kB	38.2 kB	✓
pages.runtim...dev.js gzip	50.7 kB	50.7 kB	✓
pages.runtim..prod.js gzip	38.2 kB	38.2 kB	✓
server.runti..prod.js gzip	62.2 kB	62.2 kB	✓
Total	2.69 MB	2.69 MB	✅ -2 B

[nextjs-bot]

Failing test suites

Commit: ba27300 | About building and testing Next.js

pnpm test-dev test/e2e/app-dir/next-config-ts-native-ts/export-default/next-config-ts-export-default-esm.test.ts (job)

• next-config-ts-top-level-await-esm > should support top-level await (ESM) (DD)

Expand output

● next-config-ts-top-level-await-esm › should support top-level await (ESM)

FetchError: request to http://localhost:41159/ failed, reason: socket hang up

  at ClientRequest.<anonymous> (../node_modules/.pnpm/[email protected][email protected]/node_modules/node-fetch/lib/index.js:1491:11)

pnpm test-dev test/e2e/app-dir/next-config-ts-native-ts/import-from-node-modules/next-config-ts-import-from-node-modules-cjs.test.ts (job)

• next-config-ts-type-error-cjs > should throw with type error on build (CJS) (DD)

Expand output

● next-config-ts-type-error-cjs › should throw with type error on build (CJS)

FetchError: request to http://localhost:44669/ failed, reason: socket hang up

  at ClientRequest.<anonymous> (../node_modules/.pnpm/[email protected][email protected]/node_modules/node-fetch/lib/index.js:1491:11)

[codspeed-hq]

CodSpeed Performance Report

Merging this PR will not alter performance

_{Comparing sokra/aggregation-update-tracing (4173f77) with sokra/compute-async-module-info-consistency (979bcab)¹}

Summary

✅ 17 untouched benchmarks
⏩ 3 skipped benchmarks²

Footnotes

1. No successful run was found on sokra/compute-async-module-info-consistency (3d7469a) during the generation of this report, so 348101d was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩

2. 3 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩