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Posted to oak-issues@jackrabbit.apache.org by "Chetan Mehrotra (JIRA)" <ji...@apache.org> on 2015/03/10 16:31:38 UTC
[jira] [Assigned] (OAK-2557) VersionGC uses way too much memory if
there is a large pile of garbage
[ https://issues.apache.org/jira/browse/OAK-2557?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Chetan Mehrotra reassigned OAK-2557:
------------------------------------
Assignee: Chetan Mehrotra
> VersionGC uses way too much memory if there is a large pile of garbage
> ----------------------------------------------------------------------
>
> Key: OAK-2557
> URL: https://issues.apache.org/jira/browse/OAK-2557
> Project: Jackrabbit Oak
> Issue Type: Bug
> Components: core, mongomk
> Affects Versions: 1.0.11
> Reporter: Stefan Egli
> Assignee: Chetan Mehrotra
> Priority: Blocker
> Fix For: 1.0.13, 1.2
>
> Attachments: OAK-2557.patch
>
>
> It has been noticed that on a system where revision-gc (VersionGarbageCollector of mongomk) did not run for a few days (due to not interfering with some tests/large bulk operations) that there was such a large pile of garbage accumulating, that the following code
> {code}
> VersionGarbageCollector.collectDeletedDocuments
> {code}
> in the for loop, creates such a large list of NodeDocuments to delete (docIdsToDelete) that it uses up too much memory, causing the JVM's GC to constantly spin in Full-GCs.
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