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Turbopack: unflake unit test#88620

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sokra merged 1 commit intocanaryfrom
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Jan 16, 2026
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Turbopack: unflake unit test#88620
sokra merged 1 commit intocanaryfrom
sokra/flaky-priority-runnner

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@sokra sokra commented Jan 16, 2026 •
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Too few tasks leave no space for tokio to act.

@nextjs-bot nextjs-bot added created-by: Turbopack team PRs by the Turbopack team. Turbopack Related to Turbopack with Next.js. labels Jan 16, 2026
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nextjs-bot commented Jan 16, 2026

Allow CI Workflow Run

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Allow CI Workflow Run

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@sokra sokra requested a review from mischnic January 16, 2026 07:50
@sokra sokra marked this pull request as ready for review January 16, 2026 07:50
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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) 456ms 456ms ✓ ▁▁▁▁▁
Cold (Ready in log) 435ms 435ms ✓ ▆▆▆▆▁
Cold (First Request) 1.148s 1.204s ✓ █▇█▇▁
Warm (Listen) 457ms 456ms ✓ ▁▁▁▁▁
Warm (Ready in log) 439ms 440ms ✓ ▁▁▁▁▁
Warm (First Request) 335ms 336ms ✓ ▆▆▂▃▁
📦 Dev Server (Webpack) (Legacy)

📦 Dev Server (Webpack)

Metric Canary PR Change Trend
Cold (Listen) 455ms 455ms ✓ ▁▁▁▁▁
Cold (Ready in log) 436ms 437ms ✓ ▄▄▁▄▄
Cold (First Request) 1.800s 1.814s ✓ ▂▂▁▂▂
Warm (Listen) 455ms 456ms ✓ ▁▁▁▁▁
Warm (Ready in log) 436ms 435ms ✓ ▅▄▁▃▃
Warm (First Request) 1.820s 1.804s ✓ ▃▂▁▂▂

⚡ Production Builds

Metric Canary PR Change Trend
Fresh Build 4.274s 4.265s ✓ ▂▁▁▁▂
Cached Build 4.308s 4.254s ✓ ▁▁▁▁▂
📦 Production Builds (Webpack) (Legacy)

📦 Production Builds (Webpack)

Metric Canary PR Change Trend
Fresh Build 13.913s 13.916s ✓ ▁▁▁▁▁
Cached Build 13.996s 14.059s ✓ ▁▁▁▁▁
node_modules Size 458 MB 458 MB ✓ ▁▁▁▁▁
📦 Bundle Sizes

Bundle Sizes

⚡ Turbopack

Client

Main Bundles: **430 kB** → **430 kB** ✅ -81 B

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

Server

Middleware
Canary PR Change
middleware-b..fest.js gzip 790 B 785 B ✓
Total 790 B 785 B ✅ -5 B
Build Details
Build Manifests
Canary PR Change
_buildManifest.js gzip 449 B 450 B ✓
Total 449 B 450 B ⚠️ +1 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 52.3 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 253 B ✓
main-HASH.js gzip 38.6 kB 38.9 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 51.9 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 225 kB ✅ -11 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 237 kB 🟢 4.86 kB (-2%)
Total 366 kB 362 kB ✅ -4.85 kB
Middleware
Canary PR Change
middleware-b..fest.js gzip 653 B 653 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 34.9 kB ⚠️ +286 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 🔴 +10.4 kB (+0%)
index.pack gzip 99.7 kB 98.5 kB 🟢 1.21 kB (-1%)
index.pack.old gzip 100 kB 99.3 kB 🟢 1.03 kB (-1%)
Total 3.86 MB 3.86 MB ⚠️ +8.15 kB

🔄 Shared (bundler-independent)

Runtimes
Canary PR Change
app-page-exp...dev.js gzip 303 kB 303 kB ✓
app-page-exp..prod.js gzip 158 kB 158 kB ✓
app-page-tur...dev.js gzip 303 kB 303 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 300 kB 300 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

@sokra sokra merged commit 8ae72f2 into canary Jan 16, 2026
166 of 174 checks passed
@sokra sokra deleted the sokra/flaky-priority-runnner branch January 16, 2026 08:57
wyattjoh pushed a commit that referenced this pull request Jan 16, 2026
@sokra @wyattjoh
Turbopack: unflake unit test (#88620)
53583b8 
### What?

Too few tasks leave no space for tokio to act.
@github-actions github-actions bot locked as resolved and limited conversation to collaborators Jan 30, 2026
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