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From Michael Dürig (JIRA) <j...@apache.org>
Subject [jira] [Updated] (OAK-3347) Ineffective cleanup after compaction due to references to root
Date Fri, 11 Dec 2015 11:25:11 GMT

     [ https://issues.apache.org/jira/browse/OAK-3347?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Michael Dürig updated OAK-3347:
-------------------------------
    Labels: candidate_oak_1_0 candidate_oak_1_2 cleanup compac gc  (was: cleanup compac gc)

> Ineffective cleanup after compaction due to references to root
> --------------------------------------------------------------
>
>                 Key: OAK-3347
>                 URL: https://issues.apache.org/jira/browse/OAK-3347
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>          Components: segmentmk
>            Reporter: Michael Dürig
>            Assignee: Michael Dürig
>              Labels: candidate_oak_1_0, candidate_oak_1_2, cleanup, compac, gc
>             Fix For: 1.3.6
>
>
> The cleanup phase after a compaction run is currently not able to remove the pre compacted
segments as the previous (pre-compacted) root is still being referenced. Those references
are coming from:
> * The {{before}} [local variable|https://github.com/apache/jackrabbit-oak/blob/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/segment/file/FileStore.java#L653]
in {{FileStore.flush}}.
> * The [current head|https://github.com/apache/jackrabbit-oak/blob/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/segment/SegmentNodeStore.java#L85-L85]
of the {{SegmentNodeStore}}.



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