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bircniandsilverwind
be90c01468
The cache server retired entries 30 days after creation regardless of use, so a job that ran often enough to keep its cache warm still lost it on a fixed schedule. Nothing bounded the disk either. Retention now counts from last access alone, and a repository over its limit sheds least recently accessed entries until it fits, enforced on commit as well as on the periodic sweep. ```yaml cache: retention: 168h # remove entries not accessed for seven days repo_size_limit: 10GB # cap each repository size_limit: 0 # cap the whole cache, off by default sweep_interval: 1h # minimum time between sweeps ``` Sizes accept `10GB`, `512mb`, `1TiB` or a plain byte count, binary either way. Leave a key out for its default; `0` turns a limit off, and `0s` does the same for `retention`. Whatever these allow, the cache also sheds entries to keep free space above `health_check.min_free_disk_space_mb` when health checks are enabled, so it cannot grow past the point where the runner stops accepting work. Supporting fixes: serving an entry stamps its access time, so a find cannot hand a job a download URL for an entry the next eviction is about to remove; an entry larger than the limit is dropped on its own account rather than emptying its repository to make room; and a blob that cannot be unlinked keeps its row, so the next sweep retries instead of orphaning bytes no limit can account for. Closes https://gitea.com/gitea/runner/issues/1168 --------- Co-authored-by: silverwind <me@silverwind.io> Reviewed-on: https://gitea.com/gitea/runner/pulls/1170 Reviewed-by: silverwind <2021+silverwind@noreply.gitea.com>
18 lines
582 B
Go
18 lines
582 B
Go
// Copyright 2026 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
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package disk
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import "golang.org/x/sys/unix"
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// FreeBytes reports the space available to an unprivileged user on the volume holding path.
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func FreeBytes(path string) (uint64, error) {
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var stat unix.Statfs_t
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if err := unix.Statfs(path, &stat); err != nil {
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return 0, err
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}
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return uint64(stat.Bavail) * uint64(stat.Bsize), nil //nolint:unconvert // Bavail/Bsize signedness differs by platform
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}
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