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https://issues.apache.org/jira/browse/OAK-1804?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14009709#comment-14009709
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Alex Parvulescu commented on OAK-1804:
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ugh, it looks like the commit rewrite the entire file, it must be my local svn
settings, not sure. thanks [~chetanm] for spotting.
> TarMK compaction
> ----------------
>
> Key: OAK-1804
> URL: https://issues.apache.org/jira/browse/OAK-1804
> Project: Jackrabbit Oak
> Issue Type: New Feature
> Components: segmentmk
> Reporter: Jukka Zitting
> Assignee: Alex Parvulescu
> Labels: production, tools
> Fix For: 1.0.1, 1.1
>
> Attachments: compaction.patch
>
>
> The TarMK would benefit from periodic "compact" operations that would
> traverse and recreate (parts of) the content tree in order to optimize the
> storage layout. More specifically, such compaction would:
> * Optimize performance by increasing locality and reducing duplication, both
> of which improve the effectiveness of caching.
> * Allow the garbage collector to release more unused disk space by removing
> references to segments where only a subset of content is reachable.
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