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Reclaim The Bytes

Remove unused software to reclaim disk space.

The inspiration for this action:

Caveat: Removal of unnecessary software is implemented by rm -rf on specific folders, not by using a package manager or anything sophisticated. While this is quick and easy, it might delete dependencies that are required by your job and so break your build (e.g. because your build job uses a .NET based tool and you removed the required runtime). Please verify which software may or may not be removed for your specific use case.

Usage

name: My build action requiring more space
on: push

jobs:
  build:
    name: Build my artifact
    runs-on: ubuntu-latest
    steps:
      - name: Reclaim the bytes
        uses: data-intuitive/reclaim-the-bytes@v2
        with:
          remove-hosted-tool-cache: true
          remove-go: false
          remove-codeql: false
          remove-powershell: false
          remove-android-sdk: true
          remove-haskell-ghc: true
          remove-swift: true
          remove-dotnet: true
          remove-docker-images: true
          remove-swap: false

      - name: Checkout
        uses: actions/checkout@v3

      - name: Report free space
        run: |
          echo "Free space:"
          df -h

Inputs

  • remove-hosted-tool-cache: Remove the hosted tool cache, including Go, CodeQL, Powershell. Execution time: 5s. Space freed: 10GB. Default: true.
  • remove-go: Remove Go libraries. Execution time: 2s. Space freed: 1GB. Default: false.
  • remove-codeql: Remove CodeQL. Execution time: 1s. Space freed: 6GB. Default: false.
  • remove-powershell: Remove PowerShell. Execution time: 1s. Space freed: 1GB. Default: false.
  • remove-android-sdk: Remove Android SDK. Execution time: 35s. Space freed: 12GB. Default: true.
  • remove-haskell-ghc: Remove Haskell GHC. Execution time: 3s. Space freed: 5GB. Default: true.
  • remove-swift: Remove Swift. Execution time: 1s. Space freed: 2GB. Default: true.
  • remove-dotnet: Remove .NET libraries. Execution time: 5s. Space freed: 2GB. Default: true.
  • remove-docker-images: Remove cached Docker images. Execution time: 18s. Space freed: 5GB. Default: true.
  • remove-swap: Remove swap. Execution time: 1s. Space freed: 5GB on /mnt. Default: true.

Measurements

In deciding which software to remove, you do not only need to take into account whether the software is needed or not, but also how long it takes to remove vs. the amount of disk space removing it frees up. Here is a visualisation of that information.

Software OS Duration (s) Space freed (GB)
android-sdk ubuntu-20.04 26.8 12
android-sdk ubuntu-22.04 37.0 13
codeql ubuntu-20.04 1.0 6
codeql ubuntu-22.04 1.0 6
docker-images ubuntu-20.04 18.4 5
docker-images ubuntu-22.04 17.0 4
dotnet ubuntu-20.04 5.6 3
dotnet ubuntu-22.04 2.2 2
go ubuntu-20.04 2.2 1
go ubuntu-22.04 1.2 2
haskell-ghc ubuntu-20.04 2.8 5
haskell-ghc ubuntu-22.04 3.4 5
hosted-tool-cache ubuntu-20.04 5.0 10
hosted-tool-cache ubuntu-22.04 3.4 9
powershell ubuntu-20.04 0.8 1
powershell ubuntu-22.04 0.6 2
python ubuntu-20.04 0.0 0
python ubuntu-22.04 0.4 0
swap ubuntu-20.04 0.0 0
swap ubuntu-22.04 0.0 0
swift ubuntu-20.04 0.6 2
swift ubuntu-22.04 0.4 2