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https://issues.apache.org/jira/browse/OAK-6519?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Dürig updated OAK-6519:
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Fix Version/s: 1.8
> Properly handle tail compactions in deduplication caches
> --------------------------------------------------------
>
> Key: OAK-6519
> URL: https://issues.apache.org/jira/browse/OAK-6519
> Project: Jackrabbit Oak
> Issue Type: Task
> Components: segment-tar
> Reporter: Michael Dürig
> Labels: compaction, gc
> Fix For: 1.8, 1.7.6
>
>
> This is a follow up to OAK-3349, which introduced tail compactions:
> The deduplication caches currently only take the full generations into
> account and ignore the tail generations. Cache generations need to be a
> monotonically increasing, ordered sequence consisting of the full and tail
> part of the gc generation. See
> {{FileStoreBuilder.EvictingWriteCacheManager.evictOldGeneration}}. Optimally
> we find a way to decouple the segment generation from the cache generations
> as these are really separate concerns.
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