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fix: settle aborted parallel steps before completing abortParallelWorkflow#2244

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fix: settle aborted parallel steps before completing abortParallelWorkflow#2244
pranaygp wants to merge 1 commit into
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pranaygp/fix-abort-parallel-timeout

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@pranaygp pranaygp commented Jun 4, 2026

Summary

  • keep the parallel longStep() promises alive as a named promise so the workflow can await them after aborting
  • wait for those in-flight steps to observe the abort before returning timed out
  • target the AbortController > abortParallelWorkflow: abort cancels all parallel steps CI timeout seen in Tests run 26914721179

Validation

  • pnpm install
  • pnpm -r --filter workflow... build
  • WORKFLOW_PUBLIC_MANIFEST=1 pnpm dev in workbench/nextjs-turbopack
  • DEPLOYMENT_URL="http://localhost:3000" APP_NAME="nextjs-turbopack" pnpm vitest run packages/core/e2e/e2e.test.ts -t "abortParallelWorkflow: abort cancels all parallel steps"

Notes

  • The focused local E2E did not reach the assertion because the local Next dev app failed earlier with Workflow "workflow//./workflows/99_e2e//abortParallelWorkflow" is not registered in the current deployment and a concurrent Module not found: Can't resolve <dynamic> warning from packages/core/dist/runtime/world.js.
  • That local manifest/bundling issue appears unrelated to this workflow logic change, so CI is the best verification for the actual timeout fix.

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⚠️ No Changeset found

Latest commit: 8ea3699

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📊 Benchmark Results

📈 Comparing against baseline from main branch. Green 🟢 = faster, Red 🔺 = slower.

workflow with no steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
💻 Local 🥇 Express 0.041s (-1.0%) 1.006s (~) 0.965s 10 1.00x
💻 Local Nitro 0.044s (+0.9%) 1.006s (~) 0.962s 10 1.08x
🐘 Postgres Express 0.057s (-12.2% 🟢) 1.012s (~) 0.954s 10 1.42x
🐘 Postgres Nitro 0.059s (-34.2% 🟢) 1.019s (-1.2%) 0.959s 10 1.46x
💻 Local Next.js (Turbopack) 0.062s (-2.5%) 1.007s (~) 0.945s 10 1.53x
🐘 Postgres Next.js (Turbopack) 0.071s (+1.6%) 1.024s (+1.1%) 0.953s 10 1.75x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 0.306s (-99.0% 🟢) 2.228s (-93.2% 🟢) 1.922s 10 1.00x
▲ Vercel Next.js (Turbopack) 0.332s (-28.9% 🟢) 1.959s (-8.5% 🟢) 1.627s 10 1.09x
▲ Vercel Express ⚠️ missing - - - -

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 1 step

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
💻 Local 🥇 Express 1.092s (~) 2.006s (~) 0.914s 10 1.00x
💻 Local Nitro 1.102s (+0.7%) 2.006s (~) 0.904s 10 1.01x
🐘 Postgres Express 1.102s (~) 2.010s (~) 0.908s 10 1.01x
🐘 Postgres Nitro 1.117s (-2.2%) 2.008s (-1.3%) 0.891s 10 1.02x
💻 Local Next.js (Turbopack) 1.141s (~) 2.006s (~) 0.865s 10 1.04x
🐘 Postgres Next.js (Turbopack) 1.192s (+4.5%) 2.024s (+0.8%) 0.832s 10 1.09x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 1.559s (-0.8%) 3.286s (-13.8% 🟢) 1.727s 10 1.00x
▲ Vercel Next.js (Turbopack) 1.636s (-6.7% 🟢) 3.203s (-1.6%) 1.567s 10 1.05x
▲ Vercel Express ⚠️ missing - - - -

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 10 sequential steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
💻 Local 🥇 Express 10.501s (~) 11.023s (~) 0.522s 3 1.00x
🐘 Postgres Express 10.544s (~) 11.020s (~) 0.476s 3 1.00x
💻 Local Nitro 10.547s (~) 11.022s (~) 0.475s 3 1.00x
🐘 Postgres Nitro 10.588s (-1.0%) 11.022s (~) 0.434s 3 1.01x
💻 Local Next.js (Turbopack) 10.781s (~) 11.023s (~) 0.242s 3 1.03x
🐘 Postgres Next.js (Turbopack) 10.813s (~) 11.020s (~) 0.207s 3 1.03x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 13.491s (+2.2%) 15.260s (+3.2%) 1.769s 2 1.00x
▲ Vercel Next.js (Turbopack) 13.895s (+0.8%) 15.409s (+1.4%) 1.514s 2 1.03x
▲ Vercel Express ⚠️ missing - - - -

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 25 sequential steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
💻 Local 🥇 Express 13.715s (~) 14.029s (~) 0.314s 5 1.00x
🐘 Postgres Express 13.783s (-1.1%) 14.017s (~) 0.233s 5 1.00x
💻 Local Nitro 13.817s (~) 14.025s (~) 0.208s 5 1.01x
🐘 Postgres Nitro 14.270s (-2.7%) 14.624s (-2.7%) 0.353s 5 1.04x
💻 Local Next.js (Turbopack) 14.394s (~) 15.030s (~) 0.636s 4 1.05x
🐘 Postgres Next.js (Turbopack) 14.670s (+2.0%) 15.271s (+1.7%) 0.601s 4 1.07x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 20.568s (-11.2% 🟢) 22.227s (-11.6% 🟢) 1.659s 3 1.00x
▲ Vercel Next.js (Turbopack) 22.625s (+3.9%) 24.155s (+2.2%) 1.530s 3 1.10x
▲ Vercel Express ⚠️ missing - - - -

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 50 sequential steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
💻 Local 🥇 Express 12.343s (~) 13.026s (~) 0.683s 7 1.00x
🐘 Postgres Nitro 12.484s (-1.6%) 13.020s (-2.1%) 0.536s 7 1.01x
🐘 Postgres Express 12.519s (~) 13.016s (~) 0.497s 7 1.01x
💻 Local Nitro 12.524s (+1.0%) 13.024s (~) 0.500s 7 1.01x
🐘 Postgres Next.js (Turbopack) 13.482s (-1.2%) 14.025s (~) 0.543s 7 1.09x
💻 Local Next.js (Turbopack) 13.698s (+0.6%) 14.028s (~) 0.331s 7 1.11x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 29.020s (-14.3% 🟢) 31.277s (-13.4% 🟢) 2.257s 4 1.00x
▲ Vercel Next.js (Turbopack) 29.779s (+1.3%) 31.735s (+2.9%) 1.956s 3 1.03x
▲ Vercel Express ⚠️ missing - - - -

🔍 Observability: Nitro | Next.js (Turbopack)

Promise.all with 10 concurrent steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Express 1.169s (-2.1%) 2.007s (~) 0.838s 15 1.00x
💻 Local Express 1.205s (-2.6%) 2.006s (~) 0.801s 15 1.03x
💻 Local Nitro 1.220s (~) 2.006s (~) 0.786s 15 1.04x
🐘 Postgres Nitro 1.250s (-0.7%) 2.009s (~) 0.759s 15 1.07x
🐘 Postgres Next.js (Turbopack) 1.327s (+7.7% 🔺) 2.021s (+0.7%) 0.695s 15 1.14x
💻 Local Next.js (Turbopack) 1.343s (+1.4%) 2.005s (~) 0.663s 15 1.15x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 2.534s (-33.2% 🟢) 4.044s (-21.2% 🟢) 1.510s 8 1.00x
▲ Vercel Next.js (Turbopack) 3.136s (+21.4% 🔺) 4.601s (+12.4% 🔺) 1.465s 8 1.24x
▲ Vercel Express ⚠️ missing - - - -

🔍 Observability: Nitro | Next.js (Turbopack)

Promise.all with 25 concurrent steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Express 1.230s (-2.4%) 2.007s (~) 0.777s 15 1.00x
🐘 Postgres Nitro 1.269s (-6.6% 🟢) 2.023s (~) 0.754s 15 1.03x
🐘 Postgres Next.js (Turbopack) 1.373s (-0.8%) 2.006s (~) 0.633s 15 1.12x
💻 Local Nitro 1.665s (-5.2% 🟢) 2.006s (~) 0.341s 15 1.35x
💻 Local Express 1.732s (+1.6%) 2.005s (~) 0.273s 15 1.41x
💻 Local Next.js (Turbopack) 1.829s (-4.0%) 2.140s (-7.5% 🟢) 0.311s 15 1.49x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Next.js (Turbopack) 3.673s (-16.3% 🟢) 5.072s (-10.6% 🟢) 1.399s 6 1.00x
▲ Vercel Nitro 3.999s (-5.5% 🟢) 5.586s (-7.5% 🟢) 1.587s 6 1.09x
▲ Vercel Express ⚠️ missing - - - -

🔍 Observability: Next.js (Turbopack) | Nitro

Promise.all with 50 concurrent steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Express 1.323s (-5.6% 🟢) 2.007s (~) 0.685s 15 1.00x
🐘 Postgres Nitro 1.518s (+3.2%) 2.154s (-7.1% 🟢) 0.636s 14 1.15x
🐘 Postgres Next.js (Turbopack) 1.827s (+7.6% 🔺) 2.525s (+17.8% 🔺) 0.698s 12 1.38x
💻 Local Nitro 4.645s (-2.1%) 5.011s (-3.3%) 0.367s 7 3.51x
💻 Local Next.js (Turbopack) 4.663s (-15.3% 🟢) 5.181s (-16.6% 🟢) 0.518s 6 3.53x
💻 Local Express 4.915s (+2.0%) 5.512s (+3.1%) 0.597s 6 3.72x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 4.882s (-64.5% 🟢) 6.057s (-60.7% 🟢) 1.174s 5 1.00x
▲ Vercel Next.js (Turbopack) 6.543s (-5.7% 🟢) 8.287s (-4.8%) 1.744s 4 1.34x
▲ Vercel Express ⚠️ missing - - - -

🔍 Observability: Nitro | Next.js (Turbopack)

Promise.race with 10 concurrent steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Express 1.175s (-1.0%) 2.008s (~) 0.832s 15 1.00x
🐘 Postgres Next.js (Turbopack) 1.244s (-0.8%) 2.012s (~) 0.768s 15 1.06x
🐘 Postgres Nitro 1.351s (+3.0%) 2.084s (~) 0.733s 15 1.15x
💻 Local Next.js (Turbopack) 1.403s (+1.6%) 2.006s (~) 0.603s 15 1.19x
💻 Local Express 1.507s (-0.8%) 2.006s (~) 0.500s 15 1.28x
💻 Local Nitro 1.590s (-3.7%) 2.006s (-3.2%) 0.416s 15 1.35x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 2.692s (-6.5% 🟢) 4.348s (+1.4%) 1.656s 7 1.00x
▲ Vercel Next.js (Turbopack) 2.946s (-26.1% 🟢) 4.373s (-20.7% 🟢) 1.427s 7 1.09x
▲ Vercel Express ⚠️ missing - - - -

🔍 Observability: Nitro | Next.js (Turbopack)

Promise.race with 25 concurrent steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Express 1.217s (-3.1%) 2.007s (~) 0.790s 15 1.00x
🐘 Postgres Next.js (Turbopack) 1.416s (-2.4%) 2.008s (-3.2%) 0.592s 15 1.16x
🐘 Postgres Nitro 1.425s (+14.1% 🔺) 2.084s (+3.6%) 0.659s 15 1.17x
💻 Local Nitro 1.915s (-9.3% 🟢) 2.317s (-15.3% 🟢) 0.402s 13 1.57x
💻 Local Express 1.997s (+5.3% 🔺) 2.470s (+6.7% 🔺) 0.473s 13 1.64x
💻 Local Next.js (Turbopack) 2.014s (-3.4%) 2.736s (-3.2%) 0.722s 11 1.66x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Next.js (Turbopack) 3.534s (-23.8% 🟢) 4.560s (-29.1% 🟢) 1.026s 7 1.00x
▲ Vercel Nitro 3.790s (+1.6%) 5.455s (+1.9%) 1.664s 6 1.07x
▲ Vercel Express ⚠️ missing - - - -

🔍 Observability: Next.js (Turbopack) | Nitro

Promise.race with 50 concurrent steps

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Express 1.325s (-5.0% 🟢) 2.007s (~) 0.682s 15 1.00x
🐘 Postgres Nitro 1.541s (+6.0% 🔺) 2.151s (+3.5%) 0.610s 14 1.16x
🐘 Postgres Next.js (Turbopack) 1.799s (+4.5%) 2.408s (+8.4% 🔺) 0.609s 13 1.36x
💻 Local Next.js (Turbopack) 4.942s (-14.7% 🟢) 5.514s (-11.3% 🟢) 0.571s 6 3.73x
💻 Local Nitro 4.957s (-16.2% 🟢) 5.514s (-14.0% 🟢) 0.558s 6 3.74x
💻 Local Express 5.247s (-0.9%) 5.683s (-2.8%) 0.435s 6 3.96x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 4.720s (-26.7% 🟢) 6.377s (-20.6% 🟢) 1.657s 5 1.00x
▲ Vercel Next.js (Turbopack) 5.342s (-27.0% 🟢) 6.865s (-30.2% 🟢) 1.523s 5 1.13x
▲ Vercel Express ⚠️ missing - - - -

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 10 sequential data payload steps (10KB)

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Express 0.583s (+2.3%) 1.041s (+3.4%) 0.458s 58 1.00x
💻 Local Express 0.593s (-1.0%) 1.005s (~) 0.411s 60 1.02x
💻 Local Nitro 0.608s (+2.9%) 1.005s (~) 0.396s 60 1.04x
🐘 Postgres Nitro 0.622s (+24.2% 🔺) 1.013s (~) 0.392s 60 1.07x
🐘 Postgres Next.js (Turbopack) 0.697s (-17.0% 🟢) 1.045s (-1.4%) 0.348s 58 1.19x
💻 Local Next.js (Turbopack) 0.875s (~) 1.022s (-1.7%) 0.146s 59 1.50x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 4.915s (-4.9%) 6.246s (-11.7% 🟢) 1.331s 10 1.00x
▲ Vercel Next.js (Turbopack) 5.399s (-4.9%) 6.861s (-6.7% 🟢) 1.462s 9 1.10x
▲ Vercel Express ⚠️ missing - - - -

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 25 sequential data payload steps (10KB)

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Express 1.304s (-3.9%) 2.007s (~) 0.703s 45 1.00x
🐘 Postgres Nitro 1.319s (-8.5% 🟢) 2.010s (~) 0.692s 45 1.01x
💻 Local Express 1.505s (-1.5%) 2.006s (-1.1%) 0.501s 45 1.15x
🐘 Postgres Next.js (Turbopack) 1.582s (-17.3% 🟢) 2.009s (-4.4%) 0.427s 45 1.21x
💻 Local Nitro 1.677s (+11.8% 🔺) 2.122s (+4.6%) 0.445s 43 1.29x
💻 Local Next.js (Turbopack) 2.127s (+1.2%) 3.007s (~) 0.880s 30 1.63x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 11.988s (-13.7% 🟢) 13.863s (-10.8% 🟢) 1.875s 7 1.00x
▲ Vercel Next.js (Turbopack) 12.126s (-28.8% 🟢) 13.906s (-24.4% 🟢) 1.780s 7 1.01x
▲ Vercel Express ⚠️ missing - - - -

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 50 sequential data payload steps (10KB)

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Express 2.703s (-2.3%) 3.058s (-2.5%) 0.355s 40 1.00x
🐘 Postgres Nitro 3.047s (+15.5% 🔺) 3.575s (+7.6% 🔺) 0.528s 34 1.13x
💻 Local Express 3.270s (+1.2%) 3.977s (~) 0.707s 31 1.21x
💻 Local Nitro 3.285s (+4.2%) 4.042s (+2.5%) 0.757s 30 1.22x
🐘 Postgres Next.js (Turbopack) 3.864s (+1.0%) 4.454s (+8.4% 🔺) 0.591s 28 1.43x
💻 Local Next.js (Turbopack) 4.370s (-1.5%) 5.010s (~) 0.640s 24 1.62x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 24.259s (-14.3% 🟢) 26.575s (-12.7% 🟢) 2.316s 5 1.00x
▲ Vercel Next.js (Turbopack) 27.297s (-8.2% 🟢) 28.803s (-8.8% 🟢) 1.507s 5 1.13x
▲ Vercel Express ⚠️ missing - - - -

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 10 concurrent data payload steps (10KB)

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Nitro 0.200s (-9.8% 🟢) 1.008s (~) 0.808s 60 1.00x
🐘 Postgres Express 0.204s (-10.3% 🟢) 1.006s (~) 0.801s 60 1.02x
🐘 Postgres Next.js (Turbopack) 0.351s (+33.4% 🔺) 1.017s (+1.2%) 0.666s 59 1.76x
💻 Local Express 0.439s (+4.3%) 1.004s (~) 0.566s 60 2.19x
💻 Local Nitro 0.459s (+1.8%) 1.004s (~) 0.545s 60 2.30x
💻 Local Next.js (Turbopack) 0.605s (-5.6% 🟢) 1.005s (-5.1% 🟢) 0.399s 60 3.03x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 2.327s (-1.0%) 3.840s (-2.5%) 1.513s 16 1.00x
▲ Vercel Next.js (Turbopack) 2.592s (-20.1% 🟢) 4.009s (-14.6% 🟢) 1.417s 15 1.11x
▲ Vercel Express ⚠️ missing - - - -

🔍 Observability: Nitro | Next.js (Turbopack)

workflow with 25 concurrent data payload steps (10KB)

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Express 0.307s (-14.8% 🟢) 1.006s (~) 0.699s 90 1.00x
🐘 Postgres Nitro 0.344s (-12.6% 🟢) 1.012s (-0.8%) 0.668s 89 1.12x
🐘 Postgres Next.js (Turbopack) 0.459s (-3.6%) 1.022s (+1.6%) 0.564s 89 1.49x
💻 Local Express 2.132s (+1.2%) 2.796s (+5.3% 🔺) 0.664s 33 6.94x
💻 Local Nitro 2.149s (+4.0%) 2.685s (+1.8%) 0.536s 34 6.99x
💻 Local Next.js (Turbopack) 2.269s (-10.9% 🟢) 2.979s (-9.6% 🟢) 0.709s 31 7.38x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Next.js (Turbopack) 4.892s (-28.6% 🟢) 6.291s (-25.5% 🟢) 1.398s 15 1.00x
▲ Vercel Nitro 4.960s (-17.7% 🟢) 6.393s (-16.3% 🟢) 1.433s 15 1.01x
▲ Vercel Express ⚠️ missing - - - -

🔍 Observability: Next.js (Turbopack) | Nitro

workflow with 50 concurrent data payload steps (10KB)

💻 Local Development

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Express 0.594s (-13.9% 🟢) 1.006s (~) 0.412s 120 1.00x
🐘 Postgres Nitro 0.757s (+21.7% 🔺) 1.191s (+11.0% 🔺) 0.434s 101 1.27x
🐘 Postgres Next.js (Turbopack) 0.888s (-8.4% 🟢) 1.266s (-19.1% 🟢) 0.378s 95 1.49x
💻 Local Nitro 9.339s (-1.0%) 10.025s (~) 0.685s 13 15.72x
💻 Local Express 10.018s (+5.7% 🔺) 10.528s (+5.0% 🔺) 0.510s 12 16.86x
💻 Local Next.js (Turbopack) 10.444s (-4.6%) 11.212s (-4.6%) 0.768s 11 17.58x

▲ Production (Vercel)

World Framework Workflow Time Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Next.js (Turbopack) 13.886s (-19.4% 🟢) 15.338s (-17.7% 🟢) 1.453s 8 1.00x
▲ Vercel Nitro 14.399s (-29.1% 🟢) 16.281s (-26.6% 🟢) 1.882s 8 1.04x
▲ Vercel Express ⚠️ missing - - - -

🔍 Observability: Next.js (Turbopack) | Nitro

Stream Benchmarks (includes TTFB metrics)
workflow with stream

💻 Local Development

World Framework Workflow Time TTFB Slurp Wall Time Overhead Samples vs Fastest
💻 Local 🥇 Nitro 1.155s (-0.8%) 2.005s (~) 0.011s (-4.3%) 2.018s (~) 0.864s 10 1.00x
🐘 Postgres Express 1.156s (-1.2%) 2.001s (~) 0.001s (-33.3% 🟢) 2.009s (~) 0.853s 10 1.00x
💻 Local Express 1.161s (~) 2.005s (~) 0.010s (-1.9%) 2.017s (~) 0.856s 10 1.01x
🐘 Postgres Nitro 1.211s (+4.5%) 1.992s (~) 0.001s (+50.0% 🔺) 2.027s (+0.7%) 0.816s 10 1.05x
💻 Local Next.js (Turbopack) 1.224s (+1.3%) 2.003s (~) 0.011s (-10.8% 🟢) 2.018s (~) 0.794s 10 1.06x
🐘 Postgres Next.js (Turbopack) 1.257s (+2.0%) 2.001s (~) 0.001s (-30.8% 🟢) 2.008s (~) 0.751s 10 1.09x

▲ Production (Vercel)

World Framework Workflow Time TTFB Slurp Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Next.js (Turbopack) 2.422s (+12.1% 🔺) 3.397s (+13.6% 🔺) 1.819s (+51.8% 🔺) 5.615s (+21.1% 🔺) 3.192s 10 1.00x
▲ Vercel Nitro 2.438s (+9.0% 🔺) 3.433s (+9.8% 🔺) 1.722s (+83.4% 🔺) 5.561s (+21.5% 🔺) 3.124s 10 1.01x
▲ Vercel Express ⚠️ missing - - - - -

🔍 Observability: Next.js (Turbopack) | Nitro

stream pipeline with 5 transform steps (1MB)

💻 Local Development

World Framework Workflow Time TTFB Slurp Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Express 1.583s (~) 2.005s (~) 0.003s (-12.0% 🟢) 2.022s (~) 0.438s 30 1.00x
💻 Local Nitro 1.588s (+0.7%) 2.009s (~) 0.012s (+15.6% 🔺) 2.023s (~) 0.435s 30 1.00x
💻 Local Express 1.588s (+1.6%) 2.009s (~) 0.011s (+1.9%) 2.022s (~) 0.434s 30 1.00x
🐘 Postgres Nitro 1.716s (+3.8%) 2.074s (~) 0.003s (-1.8%) 2.103s (+0.8%) 0.388s 29 1.08x
💻 Local Next.js (Turbopack) 1.732s (-3.4%) 2.009s (~) 0.011s (-13.1% 🟢) 2.023s (~) 0.291s 30 1.09x
🐘 Postgres Next.js (Turbopack) 1.898s (+10.7% 🔺) 2.350s (+16.9% 🔺) 0.003s (-24.1% 🟢) 2.371s (+17.2% 🔺) 0.473s 26 1.20x

▲ Production (Vercel)

World Framework Workflow Time TTFB Slurp Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 5.779s (-4.1%) 7.028s (-0.7%) 0.300s (-36.1% 🟢) 7.717s (-4.0%) 1.938s 8 1.00x
▲ Vercel Next.js (Turbopack) 5.793s (-5.7% 🟢) 6.769s (-9.0% 🟢) 0.241s (+18.8% 🔺) 7.404s (-7.9% 🟢) 1.611s 9 1.00x
▲ Vercel Express ⚠️ missing - - - - -

🔍 Observability: Nitro | Next.js (Turbopack)

10 parallel streams (1MB each)

💻 Local Development

World Framework Workflow Time TTFB Slurp Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Express 0.674s (-5.4% 🟢) 1.032s (~) 0.000s (-50.8% 🟢) 1.047s (~) 0.373s 59 1.00x
🐘 Postgres Next.js (Turbopack) 0.996s (+29.3% 🔺) 1.440s (+39.1% 🔺) 0.000s (-29.3% 🟢) 1.482s (+41.1% 🔺) 0.485s 41 1.48x
🐘 Postgres Nitro 1.075s (+12.4% 🔺) 1.395s (+9.8% 🔺) 0.000s (-42.9% 🟢) 1.463s (+11.8% 🔺) 0.389s 42 1.59x
💻 Local Express 1.504s (+8.0% 🔺) 2.015s (~) 0.000s (-38.5% 🟢) 2.017s (~) 0.513s 30 2.23x
💻 Local Next.js (Turbopack) 1.517s (+2.0%) 2.014s (~) 0.001s (+200.0% 🔺) 2.017s (~) 0.500s 30 2.25x
💻 Local Nitro 1.585s (+14.4% 🔺) 2.012s (~) 0.000s (-51.0% 🟢) 2.187s (+8.5% 🔺) 0.602s 29 2.35x

▲ Production (Vercel)

World Framework Workflow Time TTFB Slurp Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 3.636s (-2.8%) 4.866s (-3.2%) 0.000s (-91.7% 🟢) 5.358s (-2.9%) 1.721s 12 1.00x
▲ Vercel Next.js (Turbopack) 3.820s (-9.2% 🟢) 4.964s (-1.4%) 0.000s (+Infinity% 🔺) 5.323s (-2.7%) 1.503s 12 1.05x
▲ Vercel Express ⚠️ missing - - - - -

🔍 Observability: Nitro | Next.js (Turbopack)

fan-out fan-in 10 streams (1MB each)

💻 Local Development

World Framework Workflow Time TTFB Slurp Wall Time Overhead Samples vs Fastest
🐘 Postgres 🥇 Express 1.251s (-12.6% 🟢) 2.034s (-4.7%) 0.000s (-51.7% 🟢) 2.063s (-4.5%) 0.812s 30 1.00x
🐘 Postgres Nitro 1.954s (+1.4%) 2.545s (+8.7% 🔺) 0.000s (-45.8% 🟢) 2.568s (+8.5% 🔺) 0.614s 24 1.56x
🐘 Postgres Next.js (Turbopack) 2.092s (+23.2% 🔺) 2.611s (+17.8% 🔺) 0.000s (-100.0% 🟢) 2.646s (+18.0% 🔺) 0.554s 23 1.67x
💻 Local Next.js (Turbopack) 3.148s (+6.2% 🔺) 3.731s (+3.2%) 0.000s (-54.5% 🟢) 3.737s (+3.3%) 0.589s 17 2.52x
💻 Local Express 3.452s (+12.4% 🔺) 4.030s (+5.0%) 0.000s (-37.8% 🟢) 4.032s (+4.9%) 0.580s 15 2.76x
💻 Local Nitro 3.477s (+17.1% 🔺) 3.824s (+5.9% 🔺) 0.001s (+126.7% 🔺) 4.164s (+15.1% 🔺) 0.687s 15 2.78x

▲ Production (Vercel)

World Framework Workflow Time TTFB Slurp Wall Time Overhead Samples vs Fastest
▲ Vercel 🥇 Nitro 6.510s (-5.1% 🟢) 7.689s (-5.8% 🟢) 0.000s (-100.0% 🟢) 8.170s (-5.8% 🟢) 1.660s 8 1.00x
▲ Vercel Next.js (Turbopack) 7.085s (+7.1% 🔺) 8.313s (+6.9% 🔺) 0.000s (-100.0% 🟢) 8.717s (+6.3% 🔺) 1.632s 7 1.09x
▲ Vercel Express ⚠️ missing - - - - -

🔍 Observability: Nitro | Next.js (Turbopack)

Summary

Fastest Framework by World

Winner determined by most benchmark wins

World 🥇 Fastest Framework Wins
💻 Local Express 12/21
🐘 Postgres Express 19/21
▲ Vercel Nitro 16/21
Fastest World by Framework

Winner determined by most benchmark wins

Framework 🥇 Fastest World Wins
Express 🐘 Postgres 16/21
Next.js (Turbopack) 🐘 Postgres 15/21
Nitro 🐘 Postgres 13/21
Column Definitions
  • Workflow Time: Runtime reported by workflow (completedAt - createdAt) - primary metric
  • TTFB: Time to First Byte - time from workflow start until first stream byte received (stream benchmarks only)
  • Slurp: Time from first byte to complete stream consumption (stream benchmarks only)
  • Wall Time: Total testbench time (trigger workflow + poll for result)
  • Overhead: Testbench overhead (Wall Time - Workflow Time)
  • Samples: Number of benchmark iterations run
  • vs Fastest: How much slower compared to the fastest configuration for this benchmark

Worlds:

  • 💻 Local: In-memory filesystem world (local development)
  • 🐘 Postgres: PostgreSQL database world (local development)
  • ▲ Vercel: Vercel production/preview deployment
  • 🌐 Turso: Community world (local development)
  • 🌐 MongoDB: Community world (local development)
  • 🌐 Redis: Community world (local development)
  • 🌐 Jazz: Community world (local development)
  • 🌐 Redis: Community world (local development)
  • 🌐 Redis + BullMQ: Community world (local development)
  • 🌐 Cloudflare: Community world (local development)
  • 🌐 MySQL: Community world (local development)
  • 🌐 Azure: Community world (local development)
  • 🌐 NATS JetStream: Community world (local development)
  • 🌐 Upstash: Community world (local development)

📋 View full workflow run

❌ Some benchmark jobs failed:

  • Local: success
  • Postgres: success
  • Vercel: failure

Check the workflow run for details.

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github-actions Bot commented Jun 4, 2026 •
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🧪 E2E Test Results

✅ All tests passed

Summary

Passed Failed Skipped Total
✅ ▲ Vercel Production 1266 0 219 1485
✅ 💻 Local Development 1671 0 219 1890
✅ 📦 Local Production 1671 0 219 1890
✅ 🐘 Local Postgres 1671 0 219 1890
✅ 🪟 Windows 135 0 0 135
✅ 📋 Other 769 0 176 945
Total 7183 0 1052 8235

Details by Category

✅ ▲ Vercel Production
App Passed Failed Skipped
✅ astro 109 0 26
✅ example 109 0 26
✅ express 109 0 26
✅ fastify 109 0 26
✅ hono 109 0 26
✅ nextjs-turbopack 133 0 2
✅ nextjs-webpack 133 0 2
✅ nitro 109 0 26
✅ nuxt 109 0 26
✅ sveltekit 128 0 7
✅ vite 109 0 26
✅ 💻 Local Development
App Passed Failed Skipped
✅ astro-stable 110 0 25
✅ express-stable 110 0 25
✅ fastify-stable 110 0 25
✅ hono-stable 110 0 25
✅ nextjs-turbopack-canary 116 0 19
✅ nextjs-turbopack-stable-lazy-discovery-disabled 135 0 0
✅ nextjs-turbopack-stable-lazy-discovery-enabled 135 0 0
✅ nextjs-webpack-canary 116 0 19
✅ nextjs-webpack-stable-lazy-discovery-disabled 135 0 0
✅ nextjs-webpack-stable-lazy-discovery-enabled 135 0 0
✅ nitro-stable 110 0 25
✅ nuxt-stable 110 0 25
✅ sveltekit-stable 129 0 6
✅ vite-stable 110 0 25
✅ 📦 Local Production
App Passed Failed Skipped
✅ astro-stable 110 0 25
✅ express-stable 110 0 25
✅ fastify-stable 110 0 25
✅ hono-stable 110 0 25
✅ nextjs-turbopack-canary 116 0 19
✅ nextjs-turbopack-stable-lazy-discovery-disabled 135 0 0
✅ nextjs-turbopack-stable-lazy-discovery-enabled 135 0 0
✅ nextjs-webpack-canary 116 0 19
✅ nextjs-webpack-stable-lazy-discovery-disabled 135 0 0
✅ nextjs-webpack-stable-lazy-discovery-enabled 135 0 0
✅ nitro-stable 110 0 25
✅ nuxt-stable 110 0 25
✅ sveltekit-stable 129 0 6
✅ vite-stable 110 0 25
✅ 🐘 Local Postgres
App Passed Failed Skipped
✅ astro-stable 110 0 25
✅ express-stable 110 0 25
✅ fastify-stable 110 0 25
✅ hono-stable 110 0 25
✅ nextjs-turbopack-canary 116 0 19
✅ nextjs-turbopack-stable-lazy-discovery-disabled 135 0 0
✅ nextjs-turbopack-stable-lazy-discovery-enabled 135 0 0
✅ nextjs-webpack-canary 116 0 19
✅ nextjs-webpack-stable-lazy-discovery-disabled 135 0 0
✅ nextjs-webpack-stable-lazy-discovery-enabled 135 0 0
✅ nitro-stable 110 0 25
✅ nuxt-stable 110 0 25
✅ sveltekit-stable 129 0 6
✅ vite-stable 110 0 25
✅ 🪟 Windows
App Passed Failed Skipped
✅ nextjs-turbopack 135 0 0
✅ 📋 Other
App Passed Failed Skipped
✅ e2e-local-dev-nest-stable 110 0 25
✅ e2e-local-dev-tanstack-start- 110 0 25
✅ e2e-local-postgres-nest-stable 110 0 25
✅ e2e-local-postgres-tanstack-start- 110 0 25
✅ e2e-local-prod-nest-stable 110 0 25
✅ e2e-local-prod-tanstack-start- 110 0 25
✅ e2e-vercel-prod-tanstack-start 109 0 26

📋 View full workflow run

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