dirBrowse rendered a single directory level but paid for a full
recursive listing of the repo — on CephFS-backed LocalFS that is a
walk of the entire storage root plus a sidecar read per object, which
took Ceph down on large repos. Storage grows a ListDir primitive
(os.ReadDir on localfs, Delimiter on S3) and the UI and the debian
dists fallback use it; the recursive List stays for the docker page
and now starts its walk at the requested prefix.
The per-vrepo storage gauges on /metrics did the same full listing on
every scrape; they are removed — the backend's own accounting (du,
bucket metrics) covers capacity.
Co-Authored-By: Claude Code <noreply@anthropic.com>
MRLokopandClaude Code
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