sneak 53febb48d2 Replace restore progress bars with periodic ui.Progress lines ...

Restore and verify no longer use schollz/progressbar. Instead they emit
a periodic status line every 15 s via ui.Writer.Progress, matching the
cadence and shape of the snapshot create scanner output. The lines
include files done, byte counts, throughput in bits/sec, elapsed,
absolute ETA, and remaining duration — same conventions as snapshot
create. The progressbar dependency, the newProgressBar/isTerminal
helpers, and the unused printfStderr helper are removed; go.mod loses
schollz/progressbar plus its colorstring and uniseg transitive deps.

Adds --debug timing instrumentation throughout the restore hot path so
the next slow-restore report can pinpoint which stage is the
bottleneck. Per-file: file-chunks query, output Create, per-chunk blob
DB lookups, cache get/put, blob download, chunk write, sweeper call.
Per-blob-download: fetch-setup (Get + Stat) vs read+decrypt+decompress
vs close-and-verify. FetchBlob splits the Storage.Get and Storage.Stat
round-trips so an expensive size-stat is visible separately.

2026-06-17 07:54:14 +02:00

125 KiB

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