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Restore dependency and wrapper caches concurrently (#1174)

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* Restore dependency and wrapper caches concurrently

Run primary dependency and wrapper cache restores in parallel while preserving existing outputs and save semantics.

Add unit and E2E coverage for concurrent restore behavior, wrapper cache validation, and additional-cache error handling.

Include a manual benchmark workflow for baseline-vs-candidate restore timing comparisons across OSes.

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Copilot-Session: d43ec3dd-96c7-4eb3-909e-b8123cd12d3c

* Address PR review comments

Use env variables for cache-hit values in benchmark record steps to avoid expression expansion in run commands, and rename E2E restore step labels for clarity.

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Copilot-Session: d43ec3dd-96c7-4eb3-909e-b8123cd12d3c

* Stabilize wrapper cache restore checks

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

---------

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Copilot-Session: d43ec3dd-96c7-4eb3-909e-b8123cd12d3c
This commit is contained in:
Bruno Borges
2026-07-29 13:41:24 -04:00
committed by GitHub
parent ec4dbbe20d
commit 9f43141311
9 changed files with 683 additions and 59 deletions
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.github/workflows/benchmark-cache-restore.yml
+209
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@@ -0,0 +1,209 @@
name: Benchmark cache restore
on:
workflow_dispatch:
inputs:
baseline-ref:
description: Git ref containing the sequential restore implementation
required: true
default: main
type: string
candidate-ref:
description: Git ref containing the concurrent restore implementation (defaults to the dispatched ref)
required: false
type: string
permissions:
contents: read
defaults:
run:
shell: bash
jobs:
warm-caches:
name: Warm ${{ matrix.tool }} ${{ matrix.profile }} caches (${{ matrix.os }})
runs-on: ${{ matrix.os }}
strategy:
fail-fast: false
matrix:
os: [macos-15-intel, windows-latest, ubuntu-latest]
tool: [maven, gradle]
profile: [small, large]
steps:
- name: Checkout benchmark workflow
uses: actions/checkout@v7
with:
persist-credentials: false
- name: Checkout baseline
uses: actions/checkout@v7
with:
path: baseline
persist-credentials: false
ref: ${{ inputs.baseline-ref }}
- name: Checkout candidate
uses: actions/checkout@v7
with:
path: candidate
persist-credentials: false
ref: ${{ inputs.candidate-ref || github.ref }}
- name: Prepare benchmark inputs
run: bash __tests__/benchmark-cache-restore.sh prepare "${{ matrix.tool }}" "${{ matrix.profile }}"
- name: Prepare cache save
uses: ./candidate
with:
distribution: temurin
java-version: '17'
cache: ${{ matrix.tool }}
cache-dependency-path: benchmark/${{ matrix.tool == 'maven' && 'pom.xml' || 'build.gradle' }}
- name: Populate benchmark caches
run: |
bash __tests__/benchmark-cache-restore.sh reset "${{ matrix.tool }}"
bash __tests__/benchmark-cache-restore.sh populate "${{ matrix.tool }}" "${{ matrix.profile }}"
benchmark:
name: Benchmark ${{ matrix.tool }} ${{ matrix.profile }} (${{ matrix.os }})
needs: warm-caches
runs-on: ${{ matrix.os }}
strategy:
fail-fast: false
matrix:
os: [macos-15-intel, windows-latest, ubuntu-latest]
tool: [maven, gradle]
profile: [small, large]
steps:
- name: Checkout benchmark workflow
uses: actions/checkout@v7
with:
persist-credentials: false
- name: Checkout baseline
uses: actions/checkout@v7
with:
path: baseline
persist-credentials: false
ref: ${{ inputs.baseline-ref }}
- name: Checkout candidate
uses: actions/checkout@v7
with:
path: candidate
persist-credentials: false
ref: ${{ inputs.candidate-ref || github.ref }}
- name: Prepare benchmark inputs
run: bash __tests__/benchmark-cache-restore.sh prepare "${{ matrix.tool }}" "${{ matrix.profile }}"
- name: Reset caches for baseline iteration 1
run: bash __tests__/benchmark-cache-restore.sh reset "${{ matrix.tool }}"
- name: Start baseline iteration 1 timer
run: bash __tests__/benchmark-cache-restore.sh start "${{ matrix.tool }}"
- name: Restore with baseline iteration 1
id: baseline-1
uses: ./baseline
with:
distribution: temurin
java-version: '17'
cache: ${{ matrix.tool }}
cache-dependency-path: benchmark/${{ matrix.tool == 'maven' && 'pom.xml' || 'build.gradle' }}
cache-read-only: true
- name: Record baseline iteration 1
env:
CACHE_HIT: ${{ steps.baseline-1.outputs.cache-hit }}
run: bash __tests__/benchmark-cache-restore.sh record "${{ matrix.tool }}" "${{ matrix.os }}" "${{ matrix.profile }}" baseline 1 "$CACHE_HIT"
- name: Reset caches for candidate iteration 1
run: bash __tests__/benchmark-cache-restore.sh reset "${{ matrix.tool }}"
- name: Start candidate iteration 1 timer
run: bash __tests__/benchmark-cache-restore.sh start "${{ matrix.tool }}"
- name: Restore with candidate iteration 1
id: candidate-1
uses: ./candidate
with:
distribution: temurin
java-version: '17'
cache: ${{ matrix.tool }}
cache-dependency-path: benchmark/${{ matrix.tool == 'maven' && 'pom.xml' || 'build.gradle' }}
cache-read-only: true
- name: Record candidate iteration 1
env:
CACHE_HIT: ${{ steps.candidate-1.outputs.cache-hit }}
run: bash __tests__/benchmark-cache-restore.sh record "${{ matrix.tool }}" "${{ matrix.os }}" "${{ matrix.profile }}" candidate 1 "$CACHE_HIT"
- name: Reset caches for candidate iteration 2
run: bash __tests__/benchmark-cache-restore.sh reset "${{ matrix.tool }}"
- name: Start candidate iteration 2 timer
run: bash __tests__/benchmark-cache-restore.sh start "${{ matrix.tool }}"
- name: Restore with candidate iteration 2
id: candidate-2
uses: ./candidate
with:
distribution: temurin
java-version: '17'
cache: ${{ matrix.tool }}
cache-dependency-path: benchmark/${{ matrix.tool == 'maven' && 'pom.xml' || 'build.gradle' }}
cache-read-only: true
- name: Record candidate iteration 2
env:
CACHE_HIT: ${{ steps.candidate-2.outputs.cache-hit }}
run: bash __tests__/benchmark-cache-restore.sh record "${{ matrix.tool }}" "${{ matrix.os }}" "${{ matrix.profile }}" candidate 2 "$CACHE_HIT"
- name: Reset caches for baseline iteration 2
run: bash __tests__/benchmark-cache-restore.sh reset "${{ matrix.tool }}"
- name: Start baseline iteration 2 timer
run: bash __tests__/benchmark-cache-restore.sh start "${{ matrix.tool }}"
- name: Restore with baseline iteration 2
id: baseline-2
uses: ./baseline
with:
distribution: temurin
java-version: '17'
cache: ${{ matrix.tool }}
cache-dependency-path: benchmark/${{ matrix.tool == 'maven' && 'pom.xml' || 'build.gradle' }}
cache-read-only: true
- name: Record baseline iteration 2
env:
CACHE_HIT: ${{ steps.baseline-2.outputs.cache-hit }}
run: bash __tests__/benchmark-cache-restore.sh record "${{ matrix.tool }}" "${{ matrix.os }}" "${{ matrix.profile }}" baseline 2 "$CACHE_HIT"
- name: Reset caches for baseline iteration 3
run: bash __tests__/benchmark-cache-restore.sh reset "${{ matrix.tool }}"
- name: Start baseline iteration 3 timer
run: bash __tests__/benchmark-cache-restore.sh start "${{ matrix.tool }}"
- name: Restore with baseline iteration 3
id: baseline-3
uses: ./baseline
with:
distribution: temurin
java-version: '17'
cache: ${{ matrix.tool }}
cache-dependency-path: benchmark/${{ matrix.tool == 'maven' && 'pom.xml' || 'build.gradle' }}
cache-read-only: true
- name: Record baseline iteration 3
env:
CACHE_HIT: ${{ steps.baseline-3.outputs.cache-hit }}
run: bash __tests__/benchmark-cache-restore.sh record "${{ matrix.tool }}" "${{ matrix.os }}" "${{ matrix.profile }}" baseline 3 "$CACHE_HIT"
- name: Reset caches for candidate iteration 3
run: bash __tests__/benchmark-cache-restore.sh reset "${{ matrix.tool }}"
- name: Start candidate iteration 3 timer
run: bash __tests__/benchmark-cache-restore.sh start "${{ matrix.tool }}"
- name: Restore with candidate iteration 3
id: candidate-3
uses: ./candidate
with:
distribution: temurin
java-version: '17'
cache: ${{ matrix.tool }}
cache-dependency-path: benchmark/${{ matrix.tool == 'maven' && 'pom.xml' || 'build.gradle' }}
cache-read-only: true
- name: Record candidate iteration 3
env:
CACHE_HIT: ${{ steps.candidate-3.outputs.cache-hit }}
run: bash __tests__/benchmark-cache-restore.sh record "${{ matrix.tool }}" "${{ matrix.os }}" "${{ matrix.profile }}" candidate 3 "$CACHE_HIT"
- name: Summarize benchmark
run: bash __tests__/benchmark-cache-restore.sh summarize "${{ matrix.tool }}" "$GITHUB_STEP_SUMMARY"
- name: Upload raw timings
uses: actions/upload-artifact@v6
with:
name: cache-restore-${{ matrix.os }}-${{ matrix.tool }}-${{ matrix.profile }}
path: .benchmark-results/timings.csv
if-no-files-found: error
.github/workflows/e2e-cache.yml
+20
View File
@@ -42,7 +42,10 @@ jobs:
# https://github.com/actions/cache/issues/454#issuecomment-840493935
run: |
gradle downloadDependencies --no-daemon -p __tests__/cache/gradle1
mkdir -p "$HOME/.gradle/wrapper/dists/setup-java-e2e"
echo "gradle wrapper cache" > "$HOME/.gradle/wrapper/dists/setup-java-e2e/payload"
bash __tests__/check-dir.sh "$HOME/.gradle/caches"
bash __tests__/check-dir.sh "$HOME/.gradle/wrapper/dists"
gradle-restore:
runs-on: ${{ matrix.os }}
strategy:
@@ -65,6 +68,8 @@ jobs:
cache-read-only: true
- name: Confirm that ~/.gradle/caches directory has been made
run: bash __tests__/check-dir.sh "$HOME/.gradle/caches"
- name: Confirm that the Gradle Wrapper cache has been restored
run: bash __tests__/check-dir.sh "$HOME/.gradle/wrapper/dists"
maven-save:
runs-on: ${{ matrix.os }}
strategy:
@@ -86,7 +91,10 @@ jobs:
- name: Create files to cache
run: |
mvn verify -f __tests__/cache/maven/pom.xml
mkdir -p "$HOME/.m2/wrapper/dists/setup-java-e2e"
echo "maven wrapper cache" > "$HOME/.m2/wrapper/dists/setup-java-e2e/payload"
bash __tests__/check-dir.sh "$HOME/.m2/repository"
bash __tests__/check-dir.sh "$HOME/.m2/wrapper/dists"
maven-restore:
runs-on: ${{ matrix.os }}
strategy:
@@ -109,6 +117,8 @@ jobs:
cache-read-only: true
- name: Confirm that ~/.m2/repository directory has been made
run: bash __tests__/check-dir.sh "$HOME/.m2/repository"
- name: Confirm that the Maven Wrapper cache has been restored
run: bash __tests__/check-dir.sh "$HOME/.m2/wrapper/dists"
sbt-save:
runs-on: ${{ matrix.os }}
defaults:
@@ -206,7 +216,10 @@ jobs:
# https://github.com/actions/cache/issues/454#issuecomment-840493935
run: |
gradle downloadDependencies --no-daemon -p __tests__/cache/gradle1
mkdir -p "$HOME/.gradle/wrapper/dists/setup-java-e2e-gradle1"
echo "gradle wrapper cache gradle1" > "$HOME/.gradle/wrapper/dists/setup-java-e2e-gradle1/payload"
bash __tests__/check-dir.sh "$HOME/.gradle/caches"
bash __tests__/check-dir.sh "$HOME/.gradle/wrapper/dists"
gradle1-restore:
runs-on: ${{ matrix.os }}
strategy:
@@ -229,6 +242,8 @@ jobs:
cache-dependency-path: __tests__/cache/gradle1/*.gradle*
- name: Confirm that ~/.gradle/caches directory has been made
run: bash __tests__/check-dir.sh "$HOME/.gradle/caches"
- name: Confirm that the Gradle Wrapper cache has been restored
run: bash __tests__/check-dir.sh "$HOME/.gradle/wrapper/dists"
gradle2-restore:
runs-on: ${{ matrix.os }}
strategy:
@@ -273,7 +288,10 @@ jobs:
- name: Create files to cache
run: |
mvn verify -f __tests__/cache/maven/pom.xml
mkdir -p "$HOME/.m2/wrapper/dists/setup-java-e2e-maven1"
echo "maven wrapper cache maven1" > "$HOME/.m2/wrapper/dists/setup-java-e2e-maven1/payload"
bash __tests__/check-dir.sh "$HOME/.m2/repository"
bash __tests__/check-dir.sh "$HOME/.m2/wrapper/dists"
maven1-restore:
runs-on: ${{ matrix.os }}
strategy:
@@ -296,6 +314,8 @@ jobs:
cache-dependency-path: __tests__/cache/maven/pom.xml
- name: Confirm that ~/.m2/repository directory has been made
run: bash __tests__/check-dir.sh "$HOME/.m2/repository"
- name: Confirm that the Maven Wrapper cache has been restored
run: bash __tests__/check-dir.sh "$HOME/.m2/wrapper/dists"
maven2-restore:
runs-on: ${{ matrix.os }}
strategy: