benchmarks.yml

name: Benchmarks

on:
  schedule:
    - cron: '0 1 * * *'
  workflow_dispatch:

permissions:
  contents: write          # required for auto-push

concurrency:
  group: benchmarks        # serialize cron + manual runs
  cancel-in-progress: false

jobs:
  benchmark:
    name: Execute JMH benchmarks
    runs-on: ubuntu-latest
    timeout-minutes: 60
    steps:
      - uses: actions/checkout@v6

      - uses: actions/setup-java@v5
        with:
          java-version: '8'
          distribution: 'temurin'
          cache: 'maven'

      - name: Start Redis server
        run: |
          docker run --name redis-benchmark-test \
            -p 6379:6379 \
            -d redis:8.2.6 \
            redis-server --requirepass foobared
          # Wait for Redis to be ready
          sleep 5
          docker ps | grep redis-benchmark-test

      - name: Maven offline dependencies
        run: mvn -q dependency:go-offline

      - name: Run JMH benchmarks
        run: mvn -Pjmh clean test
        env:
          TERM: dumb

      - name: Stop Redis server
        if: always()
        run: docker rm -f redis-benchmark-test || true

      - name: Verify JMH output exists
        run: test -s benchmarks.json

      - name: Store benchmark result
        uses: benchmark-action/github-action-benchmark@v1
        with:
          tool: 'jmh'
          output-file-path: benchmarks.json
          github-token: ${{ secrets.GITHUB_TOKEN }}
          auto-push: true
          gh-pages-branch: benchmark-data          # NOT master
          benchmark-data-dir-path: 'jedis'         # path inside that branch
          fail-on-alert: false
          alert-threshold: '200%'
          comment-on-alert: false
          alert-comment-cc-users: '@ggivo'