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Posted to oak-issues@jackrabbit.apache.org by "Michael Dürig (JIRA)" <ji...@apache.org> on 2016/09/13 08:22:21 UTC

[jira] [Resolved] (OAK-4731) Refine forced compaction

     [ https://issues.apache.org/jira/browse/OAK-4731?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Dürig resolved OAK-4731.
--------------------------------
    Resolution: Fixed

Fixed at http://svn.apache.org/viewvc?rev=1760490&view=rev



> Refine forced compaction
> ------------------------
>
>                 Key: OAK-4731
>                 URL: https://issues.apache.org/jira/browse/OAK-4731
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: segment-tar
>            Reporter: Michael Dürig
>            Assignee: Michael Dürig
>              Labels: compaction, gc
>             Fix For: Segment Tar 0.0.12
>
>
> Forced compaction currently acquires an exclusive write lock on the repository blocking all concurrent commits during the complete time it needs to finish compaction. I think we should refine this:
> * Add a time out so we could limit the time during which the repository does not accept writes while still giving compaction another chance to finish.
> * Boost the compaction threads priority. This could actually already be done during the regular compaction cycles to increase the changes to finish in time. 



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