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Posted to oak-issues@jackrabbit.apache.org by "Alex Parvulescu (JIRA)" <ji...@apache.org> on 2015/10/06 12:13:26 UTC

[jira] [Resolved] (OAK-3479) Add generation info to compaction map

     [ https://issues.apache.org/jira/browse/OAK-3479?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Alex Parvulescu resolved OAK-3479.
----------------------------------
    Resolution: Fixed

thanks for the feedback!
fixed with http://svn.apache.org/viewvc?rev=1706977&view=rev

> Add generation info to compaction map
> -------------------------------------
>
>                 Key: OAK-3479
>                 URL: https://issues.apache.org/jira/browse/OAK-3479
>             Project: Jackrabbit Oak
>          Issue Type: Technical task
>          Components: segmentmk
>            Reporter: Alex Parvulescu
>            Assignee: Alex Parvulescu
>            Priority: Minor
>              Labels: cleanup, compaction, gc
>             Fix For: 1.3.8
>
>         Attachments: OAK-3479.patch
>
>
> I'd like to add a counter that exposes the current generation of the compaction map, (meaning the number of compaction cycles).
> So far I've been using the CompactionMap#getDepth as a heuristic but if you run long enough some old generations will be dropped decreasing the depth, making it unreliable as a generation counter.
> I don't want to persist this info, just start at 0 once the system starts up and increase on each CompactionMap#cons call.



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