bench.yml

name: "Run benchmark"
on:
  pull_request_target:
    types: [assigned, opened, synchronize, reopened, edited]
  push:
    branches:
      - main
permissions:
  contents: write
  packages: write
  pull-requests: write
  issues: write
jobs:
  build:
    if: github.event.head_commit.message != 'Update performance results in README.md'
    runs-on: ubuntu-latest
    env:
      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          ref: ${{ github.event_name == 'pull_request_target' && github.event.pull_request.head.sha || github.sha }}
      - name: Set up Docker buildx
        uses: docker/setup-buildx-action@v3
      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Build and push Docker image
        uses: docker/build-push-action@v6
        env:
          DOCKER_BUILD_RECORD_UPLOAD: false
        with:
          push: true
          tags: ghcr.io/${{ github.repository_owner }}/federated-benchmark:latest
          cache-from: type=gha
          cache-to: type=gha,mode=max

  benchmark:
    if: github.event.head_commit.message != 'Update performance results in README.md'
    needs: build
    # runs-on: ubuntu-latest
    runs-on:
      group: benchmarking-runner
    env:
      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
    strategy:
      matrix:
        response: [big, medium, small]
        service: [
            # the theoretical maximum
            # source_graphql,
            # source_rest_api,
            # nginx -> source: the baseline for comparison
            nginx_graphql,
            # nginx_rest_api,
            # tailcall configurations
            tailcall_default,
            # tailcall_tweaks,
            # tailcall_http_cache,
            # tailcall_cache_dir,
            # tailcall_dedupe_op,
            tailcall_full_conf,
            # wundergraph configurations
            wundergraph_no_opt,
            # wundergraph_dedupe,
            wundergraph_default,
            # apollo
            apollo_router,
            # grafbase
            grafbase_default,
            grafbase_cache,
          ]
    steps:
      - name: Login to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}
      - name: Create "output.log" file
        run: touch ${{ github.workspace }}/output.log
      - id: benchmark
        name: Benchmark
        uses: addnab/docker-run-action@v3
        with:
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GITHUB_TOKEN }}
          registry: ghcr.io
          image: ghcr.io/${{ github.repository_owner }}/federated-benchmark:latest
          options: -v ${{ github.workspace }}:/work
          run: ./benchmark.sh ${{ matrix.response }} ${{ matrix.service }} >> /work/output.log
      - name: Print result
        run: cat ${{ github.workspace }}/output.log
      - name: Determine if run had errors
        id: extract_has_error
        run: |
          HAS_ERROR=$((grep -q "Error distribution:" ${{ github.workspace }}/output.log && echo true || echo false) | sed 's/true/❌/; s/false/✅/')
          echo "error=${HAS_ERROR}" | tee -a "$GITHUB_OUTPUT"
      - name: Extract RPS
        id: extract_rps
        run: |
          RPS=$(grep "Requests/sec:" ${{ github.workspace }}/output.log | awk '{printf int($2)}' | sed -E ':a;s/([0-9])([0-9]{3})$/\1,\2/;ta')
          echo "rps=${RPS}" | tee -a "$GITHUB_OUTPUT"
      - name: Extract P95 Latency
        id: extract_p95
        run: |
          P95=$(grep "95%" ${{ github.workspace }}/output.log | awk '{print $3}')
          echo "p95=${P95}" | tee -a "$GITHUB_OUTPUT"
      - uses: cloudposse/github-action-matrix-outputs-write@v1
        id: out
        with:
          matrix-step-name: ${{ github.job }}
          matrix-key: ${{ matrix.response }}_${{ matrix.service }}
          outputs: |-
            has_error: ${{ steps.extract_has_error.outputs.error }}
            rps: ${{ steps.extract_rps.outputs.rps }}
            p95: ${{ steps.extract_p95.outputs.p95 }}
  read:
    runs-on: ubuntu-latest
    needs: [benchmark]
    steps:
      - uses: cloudposse/github-action-matrix-outputs-read@v1
        id: read
        with:
          matrix-step-name: benchmark
    outputs:
      result: "${{ steps.read.outputs.result }}"
  analyze:
    if: github.event.head_commit.message != 'Update performance results in README.md'
    needs: read
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          ref: ${{ github.event_name == 'pull_request_target' && github.event.pull_request.head.sha || github.sha }}
      - name: Install gnuplot
        run: sudo apt-get update && sudo apt-get install -y gnuplot
      - name: Collect results table
        run: |
          echo "### [Small Payload - 362 bytes](./source/small.json)" >> "results.md"
          echo "| Server | Status | RPS | Latency |" >> "results.md"
          echo "| ---: | ---: | ---: | ---: |" >> "results.md"
          echo "| [Nginx](https://nginx.org/en/) | \
          ${{ fromJson(needs.read.outputs.result).has_error.small_nginx_graphql }} | \
          \`${{ fromJson(needs.read.outputs.result).rps.small_nginx_graphql }} RPS\` | \
          \`${{ fromJson(needs.read.outputs.result).p95.small_nginx_graphql }} sec\` |" >> "results.md"
          echo "| **Base** | | | |" >> "results.md"
          echo "| [Tailcall](https://github.com/tailcallhq/tailcall) | \
          ${{ fromJson(needs.read.outputs.result).has_error.small_tailcall_default }} | \
          \`${{ fromJson(needs.read.outputs.result).rps.small_tailcall_default }} RPS\` | \
          \`${{ fromJson(needs.read.outputs.result).p95.small_tailcall_default }} sec\` |" >> "results.md"
          echo "| [Grafbase](https://github.com/grafbase/grafbase) | \
          ${{ fromJson(needs.read.outputs.result).has_error.small_grafbase_default }} | \
          \`${{ fromJson(needs.read.outputs.result).rps.small_grafbase_default }} RPS\` | \
          \`${{ fromJson(needs.read.outputs.result).p95.small_grafbase_default }} sec\` |" >> "results.md"
          echo "| [Wundegraph](https://github.com/wundergraph/cosmo) | \
          ${{ fromJson(needs.read.outputs.result).has_error.small_wundergraph_no_opt }} | \
          \`${{ fromJson(needs.read.outputs.result).rps.small_wundergraph_no_opt }} RPS\` | \
          \`${{ fromJson(needs.read.outputs.result).p95.small_wundergraph_no_opt }} sec\` |" >> "results.md"
          echo "| [Apollo](https://github.com/apollographql/router) | \
          ${{ fromJson(needs.read.outputs.result).has_error.small_apollo_router }} | \
          \`${{ fromJson(needs.read.outputs.result).rps.small_apollo_router }} RPS\` | \
          \`${{ fromJson(needs.read.outputs.result).p95.small_apollo_router }} sec\` |" >> "results.md"
          echo "| **Cached** | | | |" >> "results.md"
          echo "| [Tailcall](https://github.com/tailcallhq/tailcall) | \
          ${{ fromJson(needs.read.outputs.result).has_error.small_tailcall_full_conf }} | \
          \`${{ fromJson(needs.read.outputs.result).rps.small_tailcall_full_conf }} RPS\` | \
          \`${{ fromJson(needs.read.outputs.result).p95.small_tailcall_full_conf }} sec\` |" >> "results.md"
          echo "| [Grafbase](https://github.com/grafbase/grafbase) | \
          ${{ fromJson(needs.read.outputs.result).has_error.small_grafbase_cache }} | \
          \`${{ fromJson(needs.read.outputs.result).rps.small_grafbase_cache }} RPS\` | \
          \`${{ fromJson(needs.read.outputs.result).p95.small_grafbase_cache }} sec\` |" >> "results.md"
          echo "| [Wundegraph](https://github.com/wundergraph/cosmo) | \
          ${{ fromJson(needs.read.outputs.result).has_error.small_wundergraph_default }} | \
          \`${{ fromJson(needs.read.outputs.result).rps.small_wundergraph_default }} RPS\` | \
          \`${{ fromJson(needs.read.outputs.result).p95.small_wundergraph_default }} sec\` |" >> "results.md"


          echo "### [Medium Payload - 12,598 bytes](./source/medium.json)" >> "results.md"
          echo "| Server | Status | RPS | Latency |" >> "results.md"
          echo "| ---: | ---: | ---: | ---: |" >> "results.md"
          echo "| [Nginx](https://nginx.org/en/) | \
          ${{ fromJson(needs.read.outputs.result).has_error.medium_nginx_graphql }} | \
          \`${{ fromJson(needs.read.outputs.result).rps.medium_nginx_graphql }} RPS\` | \
          \`${{ fromJson(needs.read.outputs.result).p95.medium_nginx_graphql }} sec\` |" >> "results.md"
          echo "| **Base** | | | |" >> "results.md"
          echo "| [Tailcall](https://github.com/tailcallhq/tailcall) | \
          ${{ fromJson(needs.read.outputs.result).has_error.medium_tailcall_default }} | \
          \`${{ fromJson(needs.read.outputs.result).rps.medium_tailcall_default }} RPS\` | \
          \`${{ fromJson(needs.read.outputs.result).p95.medium_tailcall_default }} sec\` |" >> "results.md"
          echo "| [Grafbase](https://github.com/grafbase/grafbase) | \
          ${{ fromJson(needs.read.outputs.result).has_error.medium_grafbase_default }} | \
          \`${{ fromJson(needs.read.outputs.result).rps.medium_grafbase_default }} RPS\` | \
          \`${{ fromJson(needs.read.outputs.result).p95.medium_grafbase_default }} sec\` |" >> "results.md"
          echo "| [Wundegraph](https://github.com/wundergraph/cosmo) | \
          ${{ fromJson(needs.read.outputs.result).has_error.medium_wundergraph_no_opt }} | \
          \`${{ fromJson(needs.read.outputs.result).rps.medium_wundergraph_no_opt }} RPS\` | \
          \`${{ fromJson(needs.read.outputs.result).p95.medium_wundergraph_no_opt }} sec\` |" >> "results.md"
          echo "| [Apollo](https://github.com/apollographql/router) | \
          ${{ fromJson(needs.read.outputs.result).has_error.medium_apollo_router }} | \
          \`${{ fromJson(needs.read.outputs.result).rps.medium_apollo_router }} RPS\` | \
          \`${{ fromJson(needs.read.outputs.result).p95.medium_apollo_router }} sec\` |" >> "results.md"
          echo "| **Cached** | | | |" >> "results.md"
          echo "| [Tailcall](https://github.com/tailcallhq/tailcall) | \
          ${{ fromJson(needs.read.outputs.result).has_error.medium_tailcall_full_conf }} | \
          \`${{ fromJson(needs.read.outputs.result).rps.medium_tailcall_full_conf }} RPS\` | \
          \`${{ fromJson(needs.read.outputs.result).p95.medium_tailcall_full_conf }} sec\` |" >> "results.md"
          echo "| [Grafbase](https://github.com/grafbase/grafbase) | \
          ${{ fromJson(needs.read.outputs.result).has_error.medium_grafbase_cache }} | \
          \`${{ fromJson(needs.read.outputs.result).rps.medium_grafbase_cache }} RPS\` | \
          \`${{ fromJson(needs.read.outputs.result).p95.medium_grafbase_cache }} sec\` |" >> "results.md"
          echo "| [Wundegraph](https://github.com/wundergraph/cosmo) | \
          ${{ fromJson(needs.read.outputs.result).has_error.medium_wundergraph_default }} | \
          \`${{ fromJson(needs.read.outputs.result).rps.medium_wundergraph_default }} RPS\` | \
          \`${{ fromJson(needs.read.outputs.result).p95.medium_wundergraph_default }} sec\` |" >> "results.md"


          echo "### [Big Payload - 112,838 bytes](./source/big.json)" >> "results.md"
          echo "| Server | Status | RPS | Latency |" >> "results.md"
          echo "| ---: | ---: | ---: | ---: |" >> "results.md"
          echo "| [Nginx](https://nginx.org/en/) | \
          ${{ fromJson(needs.read.outputs.result).has_error.big_nginx_graphql }} | \
          \`${{ fromJson(needs.read.outputs.result).rps.big_nginx_graphql }} RPS\` | \
          \`${{ fromJson(needs.read.outputs.result).p95.big_nginx_graphql }} sec\` |" >> "results.md"
          echo "| **Base** | | | |" >> "results.md"
          echo "| [Tailcall](https://github.com/tailcallhq/tailcall) | \
          ${{ fromJson(needs.read.outputs.result).has_error.big_tailcall_default }} | \
          \`${{ fromJson(needs.read.outputs.result).rps.big_tailcall_default }} RPS\` | \
          \`${{ fromJson(needs.read.outputs.result).p95.big_tailcall_default }} sec\` |" >> "results.md"
          echo "| [Grafbase](https://github.com/grafbase/grafbase) | \
          ${{ fromJson(needs.read.outputs.result).has_error.big_grafbase_default }} | \
          \`${{ fromJson(needs.read.outputs.result).rps.big_grafbase_default }} RPS\` | \
          \`${{ fromJson(needs.read.outputs.result).p95.big_grafbase_default }} sec\` |" >> "results.md"
          echo "| [Wundegraph](https://github.com/wundergraph/cosmo) | \
          ${{ fromJson(needs.read.outputs.result).has_error.big_wundergraph_no_opt }} | \
          \`${{ fromJson(needs.read.outputs.result).rps.big_wundergraph_no_opt }} RPS\` | \
          \`${{ fromJson(needs.read.outputs.result).p95.big_wundergraph_no_opt }} sec\` |" >> "results.md"
          echo "| [Apollo](https://github.com/apollographql/router) | \
          ${{ fromJson(needs.read.outputs.result).has_error.big_apollo_router }} | \
          \`${{ fromJson(needs.read.outputs.result).rps.big_apollo_router }} RPS\` | \
          \`${{ fromJson(needs.read.outputs.result).p95.big_apollo_router }} sec\` |" >> "results.md"
          echo "| **Cached** | | | |" >> "results.md"
          echo "| [Tailcall](https://github.com/tailcallhq/tailcall) | \
          ${{ fromJson(needs.read.outputs.result).has_error.big_tailcall_full_conf }} | \
          \`${{ fromJson(needs.read.outputs.result).rps.big_tailcall_full_conf }} RPS\` | \
          \`${{ fromJson(needs.read.outputs.result).p95.big_tailcall_full_conf }} sec\` |" >> "results.md"
          echo "| [Grafbase](https://github.com/grafbase/grafbase) | \
          ${{ fromJson(needs.read.outputs.result).has_error.big_grafbase_cache }} | \
          \`${{ fromJson(needs.read.outputs.result).rps.big_grafbase_cache }} RPS\` | \
          \`${{ fromJson(needs.read.outputs.result).p95.big_grafbase_cache }} sec\` |" >> "results.md"
          echo "| [Wundegraph](https://github.com/wundergraph/cosmo) | \
          ${{ fromJson(needs.read.outputs.result).has_error.big_wundergraph_default }} | \
          \`${{ fromJson(needs.read.outputs.result).rps.big_wundergraph_default }} RPS\` | \
          \`${{ fromJson(needs.read.outputs.result).p95.big_wundergraph_default }} sec\` |" >> "results.md"
      - name: Update `README.md` file with table data
        run: |
          sed -i '/<!-- PERFORMANCE_RESULTS_START -->/,/<!-- PERFORMANCE_RESULTS_END -->/ {
              /<!-- PERFORMANCE_RESULTS_START -->/!{
                /<!-- PERFORMANCE_RESULTS_END -->/!d
              }
          }' README.md
          sed -i '/<!-- PERFORMANCE_RESULTS_START -->/r results.md' README.md
      - name: Summarize
        run: |
          echo "### Results" >> "$GITHUB_STEP_SUMMARY"
          cat "results.md" >> "$GITHUB_STEP_SUMMARY"
      - name: Write plot script
        run: |
          cat << 'EOF' > plot_script.gp
          set terminal png size 800,500 enhanced font "Arial,14"
          set output file_name
          set yrange [0:]
          set style data histogram
          set style histogram cluster gap 1
          set style fill solid
          set boxwidth 0.9
          set xtics format ""
          set xtics rotate by 45 right
          set grid ytics
          set nokey
          set title title_text
          plot 'data.dat' using 2:xtic(1) linecolor rgb color
          EOF
      - name: Save RPS small payload data
        run: |
          cat << 'EOF' > data.dat
          #                     Small
          Tailcall              ${{ fromJson(needs.read.outputs.result).rps.small_tailcall_default }}
          Grafbase              ${{ fromJson(needs.read.outputs.result).rps.small_grafbase_default }}
          Wundergraph           ${{ fromJson(needs.read.outputs.result).rps.small_wundergraph_no_opt }}
          Apollo                ${{ fromJson(needs.read.outputs.result).rps.small_apollo_router }}
          "Tailcall Cached"     ${{ fromJson(needs.read.outputs.result).rps.small_tailcall_full_conf }}
          "Grafbase Cached"     ${{ fromJson(needs.read.outputs.result).rps.small_grafbase_cache }}
          "Wundergraph Cached"  ${{ fromJson(needs.read.outputs.result).rps.small_wundergraph_default }}
          EOF
          tr -d ',' < data.dat > data1.dat && mv data1.dat data.dat
      - name: Create RPS small payload data
        run: gnuplot -e "file_name='files/rps_small.png'; title_text='RPS Small Payload'; color='#D81B60'" plot_script.gp
      - name: Save RPS medium payload data
        run: |
          cat << 'EOF' > data.dat
          #                     Medium
          Tailcall              ${{ fromJson(needs.read.outputs.result).rps.medium_tailcall_default }}
          Grafbase              ${{ fromJson(needs.read.outputs.result).rps.medium_grafbase_default }}
          Wundergraph           ${{ fromJson(needs.read.outputs.result).rps.medium_wundergraph_no_opt }}
          Apollo                ${{ fromJson(needs.read.outputs.result).rps.medium_apollo_router }}
          "Tailcall Cached"     ${{ fromJson(needs.read.outputs.result).rps.medium_tailcall_full_conf }}
          "Grafbase Cached"     ${{ fromJson(needs.read.outputs.result).rps.medium_grafbase_cache }}
          "Wundergraph Cached"  ${{ fromJson(needs.read.outputs.result).rps.medium_wundergraph_default }}
          EOF
          tr -d ',' < data.dat > data1.dat && mv data1.dat data.dat
      - name: Create RPS medium payload data
        run: gnuplot -e "file_name='files/rps_medium.png'; title_text='RPS Medium Payload'; color='#1E88E5'" plot_script.gp
      - name: Save RPS big payload data
        run: |
          cat << 'EOF' > data.dat
          #                     Big
          Tailcall              ${{ fromJson(needs.read.outputs.result).rps.big_tailcall_default }}
          Grafbase              ${{ fromJson(needs.read.outputs.result).rps.big_grafbase_default }}
          Wundergraph           ${{ fromJson(needs.read.outputs.result).rps.big_wundergraph_no_opt }}
          Apollo                ${{ fromJson(needs.read.outputs.result).rps.big_apollo_router }}
          "Tailcall Cached"     ${{ fromJson(needs.read.outputs.result).rps.big_tailcall_full_conf }}
          "Grafbase Cached"     ${{ fromJson(needs.read.outputs.result).rps.big_grafbase_cache }}
          "Wundergraph Cached"  ${{ fromJson(needs.read.outputs.result).rps.big_wundergraph_default }}
          EOF
          tr -d ',' < data.dat > data1.dat && mv data1.dat data.dat
      - name: Create RPS big payload data
        run: gnuplot -e "file_name='files/rps_big.png'; title_text='RPS Big Payload'; color='#FFC107'" plot_script.gp
      - name: Save Latency 95% small payload data
        run: |
          cat << 'EOF' > data.dat
          #                     Small
          Tailcall              ${{ fromJson(needs.read.outputs.result).p95.small_tailcall_default }}
          Grafbase              ${{ fromJson(needs.read.outputs.result).p95.small_grafbase_default }}
          Wundergraph           ${{ fromJson(needs.read.outputs.result).p95.small_wundergraph_no_opt }}
          Apollo                ${{ fromJson(needs.read.outputs.result).p95.small_apollo_router }}
          "Tailcall Cached"     ${{ fromJson(needs.read.outputs.result).p95.small_tailcall_full_conf }}
          "Grafbase Cached"     ${{ fromJson(needs.read.outputs.result).p95.small_grafbase_cache }}
          "Wundergraph Cached"  ${{ fromJson(needs.read.outputs.result).p95.small_wundergraph_default }}
          EOF
          tr -d ',' < data.dat > data1.dat && mv data1.dat data.dat
      - name: Create Latency 95% small payload data
        run: gnuplot -e "file_name='files/p95_small.png'; title_text='Latency 95% Small Payload'; color='#D81B60'" plot_script.gp
      - name: Save Latency 95% medium payload data
        run: |
          cat << 'EOF' > data.dat
          #                     Medium
          Tailcall              ${{ fromJson(needs.read.outputs.result).p95.medium_tailcall_default }}
          Grafbase              ${{ fromJson(needs.read.outputs.result).p95.medium_grafbase_default }}
          Wundergraph           ${{ fromJson(needs.read.outputs.result).p95.medium_wundergraph_no_opt }}
          Apollo                ${{ fromJson(needs.read.outputs.result).p95.medium_apollo_router }}
          "Tailcall Cached"     ${{ fromJson(needs.read.outputs.result).p95.medium_tailcall_full_conf }}
          "Grafbase Cached"     ${{ fromJson(needs.read.outputs.result).p95.medium_grafbase_cache }}
          "Wundergraph Cached"  ${{ fromJson(needs.read.outputs.result).p95.medium_wundergraph_default }}
          EOF
          tr -d ',' < data.dat > data1.dat && mv data1.dat data.dat
      - name: Create Latency 95% medium payload data
        run: gnuplot -e "file_name='files/p95_medium.png'; title_text='Latency 95% Medium Payload'; color='#1E88E5'" plot_script.gp
      - name: Save Latency 95% big payload data
        run: |
          cat << 'EOF' > data.dat
          #                     Big
          Tailcall              ${{ fromJson(needs.read.outputs.result).p95.big_tailcall_default }}
          Grafbase              ${{ fromJson(needs.read.outputs.result).p95.big_grafbase_default }}
          Wundergraph           ${{ fromJson(needs.read.outputs.result).p95.big_wundergraph_no_opt }}
          Apollo                ${{ fromJson(needs.read.outputs.result).p95.big_apollo_router }}
          "Tailcall Cached"     ${{ fromJson(needs.read.outputs.result).p95.big_tailcall_full_conf }}
          "Grafbase Cached"     ${{ fromJson(needs.read.outputs.result).p95.big_grafbase_cache }}
          "Wundergraph Cached"  ${{ fromJson(needs.read.outputs.result).p95.big_wundergraph_default }}
          EOF
          tr -d ',' < data.dat > data1.dat && mv data1.dat data.dat
      - name: Create Latency 95% big payload data
        run: gnuplot -e "file_name='files/p95_big.png'; title_text='Latency 95% Big Payload'; color='#FFC107'" plot_script.gp
      - name: Cleanup files
        run: |
          rm "results.md"
          rm "data.dat"
          rm "plot_script.gp"
      - name: Comment `README.md` file
        if: github.event_name == 'pull_request_target'
        uses: peter-evans/commit-comment@v3
        with:
          sha: ${{ github.event.pull_request.head.sha }}
          body-path: "README.md"
          reactions: eyes
      - name: Commit and push changes (on main branch)
        if: github.event_name == 'push' && github.ref == 'refs/heads/main'
        uses: stefanzweifel/git-auto-commit-action@v5
        with:
          branch: main
          commit_author: Author <actions@github.com>
          commit_message: "[ci skip] update performance results in README.md"