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Posted to oak-issues@jackrabbit.apache.org by "Michael Dürig (JIRA)" <ji...@apache.org> on 2015/10/14 12:05:05 UTC
[jira] [Updated] (OAK-2862) CompactionMap#compress() inefficient
for large compaction maps
[ https://issues.apache.org/jira/browse/OAK-2862?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Michael Dürig updated OAK-2862:
-------------------------------
Issue Type: Improvement (was: Sub-task)
Parent: (was: OAK-2849)
> CompactionMap#compress() inefficient for large compaction maps
> --------------------------------------------------------------
>
> Key: OAK-2862
> URL: https://issues.apache.org/jira/browse/OAK-2862
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: segmentmk
> Reporter: Michael Dürig
> Assignee: Michael Dürig
> Labels: compaction, doc-impacting, gc
> Fix For: 1.3.0
>
> Attachments: OAK-2862-memory.png, OAK-2862.png, benchLargeMap.xlsx
>
>
> I've seen {{CompactionMap#compress()}} take up most of the time spent in compaction. With 40M record ids in the compaction map compressing runs for hours.
> I will back this with numbers as soon as I have a better grip on the issue.
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