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prune: handle very high duplication of some blobs

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Suggested-By: Alexander Weiss <alex@weissfam.de>
This commit is contained in:
Michael Eischer
2022-07-17 00:27:40 +02:00
parent 7478cbf70e
commit 9be1bd2acc
2 changed files with 12 additions and 13 deletions
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12
changelog/unreleased/issue-3114
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@@ -1,10 +1,10 @@
Enhancement: Improve `prune` in presence of duplicate blobs
Enhancement: Optimize handling of duplicate blobs in `prune`
Restic `prune` always used to repack all data files containing duplicate
blobs. This effectively removed all duplicates during prune. However, as a
consequence all these data files were repacked even if the unused repository
space threshold could be reached with less work.
Restic `prune` always used to repack all pack files containing duplicate
blobs. This effectively removed all duplicates during prune. However, one
of the consequences was that all those pack files were downloadeded and
duplicate blobs did not contribute to the threshold for unused repository
space.
This is now changed and `prune` works nice and fast also if there are lots
of duplicates.