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Posted to oak-issues@jackrabbit.apache.org by "Michael Dürig (JIRA)" <ji...@apache.org> on 2016/01/08 14:10:40 UTC

[jira] [Resolved] (OAK-3812) Disable compaction gain estimation if compaction is paused

     [ https://issues.apache.org/jira/browse/OAK-3812?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Michael Dürig resolved OAK-3812.
--------------------------------
       Resolution: Fixed
    Fix Version/s:     (was: 1.4)
                   1.3.14

Fixed at http://svn.apache.org/viewvc?rev=1723722&view=rev

> Disable compaction gain estimation if compaction is paused
> ----------------------------------------------------------
>
>                 Key: OAK-3812
>                 URL: https://issues.apache.org/jira/browse/OAK-3812
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: segmentmk
>            Reporter: Michael Dürig
>            Assignee: Michael Dürig
>              Labels: compaction, gc
>             Fix For: 1.3.14
>
>
> I think we should disable compaction estimation when compaction is paused. Estimation interferes with the caches, wastes CPU and IO cycles and is not essential for Oak's operation when compaction is disabled. The only reason it was unconditionally enabled initially is to gather the respective information in production. I think this has turned out to be not too useful so it is safe to disable. 



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