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ci(test): free the local kache store before running the tests - #522
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…e tests On the linux runners kache's local store has started ending a compile at 45-57 GiB of physical blobs behind its 10 GiB logical size (evicted entries leave their blobs), and plugingo-e2e then fills the root disk: Test linux/arm64 fails with ENOSPC. The same commit that passed at 02:04 on 2026-10-29 (ab245af) fails this way since, so it is not a code change. Compile with `tst --no-run`, stop the daemon (which drains the uploads), drop the store, then run `tst` against the complete target/. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This was referenced Oct 29, 2026
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Closing: this does not fix it. The step cleared the store, but 88G stayed used afterwards (the store's blobs are largely shared with target/), and plugingo-e2e still hit ENOSPC. The explanation in the commit message is wrong. The arm64 disk issue needs its own investigation (a du breakdown of target/ vs the kache store on a red run). |
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Test linux/arm64now fails with ENOSPC on any branch. The same commit (ab245af5) passed at 02:04 on 2026-10-29 and failed at 09:09 (diagnostic #520).Cause: on ext4, kache's local store ends the compile with 45–57 GiB of physical blobs behind a 10 GiB logical size, because evicted entries leave their blobs behind (
kache stats:Dedup: 567 unique blobs, 44.7 GiB physicalversus about 10.9 GiB on green runs).plugingo-e2ethen fills the rest of the root disk unpacking Go toolchains.Fix: compile with
tst --no-run, then (Linux only) stop the daemon, which drains the uploads, and drop the local store, keeping its log for the drain step. Then runtstagainst the completetarget/. The store isn't read again in this job.Not linted locally: the change is workflow YAML only (checked to parse).
Blocks #516.
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