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kevinveenbirkenbachandClaude Opus 5.5
a5de245bf9
docker_dataroot.sh backs each node's ZFS pool with a sparse loop image
and created the pool without autotrim. ZFS never discarded freed blocks
to the loop device, so the image only grew: in WordPress#0 of run
40625679270 the runner still held 118G after the teardown had removed
every container ("Containers: 0") while only 47G of files remained, and
the pools held ~38G of live data. The step had already aborted at
"DISK EXHAUSTION IMMINENT (<6144M free on /)" with 139G of 145G used
(rc=75). The other ZFS swarm jobs of the run show the same df-minus-du
gap (wordpress1 73G, odoo1 73G, magento0 82G, weblate1 55G, gitlab2
44G); ext4 and btrfs jobs show none.
The pool is now created with -o autotrim=on, so ZFS discards freed
ranges to the loop device, which punches holes into the image file.
test_docker_dataroot runs the script's zfs path against stubs of every
host tool and asserts the single zpool create carries -o autotrim=on;
against the previous script that assertion fails.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Script Collection
This directory contains automation scripts used across the project.
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system/ contains host and system-facing helpers.
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container/ contains helpers that run inside the local container.
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github/ contains GitHub workflow helper scripts.
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For the canonical Make target index, see make.md.
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🛠️ Organize operational helpers for development, CI, release, and maintenance
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🧭 Separate responsibilities into focused subdirectories with clear scope
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📚 Keep script-based workflows discoverable and easier to navigate
The scope of this folder is script organization at the repository level. Detailed responsibilities belong in the README files of the respective subdirectories.