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Public runners have ~10G of ram available. XL runners have >50G of ram available. It's nice to be able to run tests on public runners. Introduce an action that: * (Linux) frees some memory * (Linux) adds some swap * (Linux and macOS) calculates available memory * (Windows) suggests 10G of available memory
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,84 @@ | ||
| name: Make more memory available | ||
| description: Stops services and adds swap | ||
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| inputs: | ||
| max: | ||
| description: Maximum memory to suggest using | ||
| default: 50000 | ||
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| outputs: | ||
| available: | ||
| description: Available memory | ||
| value: ${{ steps.memory.outputs.available }} | ||
| suggested: | ||
| description: Memory suggested for use (constrained by max and available) | ||
| value: ${{ steps.memory.outputs.suggested }} | ||
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| runs: | ||
| using: composite | ||
| steps: | ||
| - name: Stop services | ||
| if: env.RUNNER_OS == 'Linux' | ||
| shell: bash | ||
| run: | | ||
| sudo systemctl disable php8.1-fpm mono-xsp4 walinuxagent multipathd walinuxagent chrony cron getty@tty1 networkd-dispatcher rsyslog serial-getty@ttyS0 snapd multipathd.socket snapd.socket | ||
| sudo systemctl stop php8.1-fpm mono-xsp4 walinuxagent multipathd walinuxagent chrony cron getty@tty1 networkd-dispatcher rsyslog serial-getty@ttyS0 snapd | ||
| sudo killall mono | ||
| - name: enable swap | ||
| if: env.RUNNER_OS == 'Linux' | ||
| shell: bash | ||
| run: | | ||
| sudo fallocate -l 10G /mnt/big-swapfile | ||
| sudo chmod 600 /mnt/big-swapfile | ||
| sudo mkswap /mnt/big-swapfile | ||
| sudo swapon /mnt/big-swapfile | ||
| - name: Report Available Memory (Linux) | ||
| id: memory-linux | ||
| if: runner.os == 'Linux' | ||
| shell: bash | ||
| run: | | ||
| free | | ||
| perl -ne ' | ||
| next unless /Mem:.*\s(\d+)$/; | ||
| my $m = int($1 / 102400)*100; | ||
| print "available=$m\n"; | ||
| ' >> "$GITHUB_OUTPUT" | ||
| - name: Report Available Memory (macOS) | ||
| id: memory-mac | ||
| if: runner.os == 'macOS' | ||
| shell: bash | ||
| run: | | ||
| sysctl -a | | ||
| perl -e ' | ||
| my $m; | ||
| while (<>) { | ||
| next unless /.*memsize.*:\s*(\d+)/; | ||
| my $m0 = int($1 >> 20); | ||
| $m = $m0 unless ($m && $m > $m0); | ||
| } | ||
| print "available=$m\n"; | ||
| ' >> "$GITHUB_OUTPUT" | ||
| - name: Report Available Memory (Windows) | ||
| id: memory-windows | ||
| if: runner.os == 'Windows' | ||
| shell: bash | ||
| run: | | ||
| echo "available=10737418240" >> "$GITHUB_OUTPUT" | ||
| - name: Report Memory | ||
| id: memory | ||
| shell: bash | ||
| env: | ||
| max: ${{ inputs.max }} | ||
| available: ${{ steps.memory-linux.outputs.available || steps.memory-mac.outputs.available || steps.memory-windows.outputs.available }} | ||
| run: | | ||
| perl -e ' | ||
| my $available = $ENV{available}; | ||
| my $max = $ENV{max} || $available; | ||
| my $s = ($m < $max ? $available : $max); | ||
| print "suggested=$s\n"."available=$available\n"; | ||
| ' >> "$GITHUB_OUTPUT" |
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| Original file line number | Diff line number | Diff line change |
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@@ -32,6 +32,7 @@ on: | |
| - main | ||
| - rc/* | ||
| - codeql-cli-* | ||
| workflow_dispatch: | ||
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| permissions: | ||
| contents: read | ||
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