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https://issues.apache.org/jira/browse/OAK-2849?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15059747#comment-15059747
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Michael Dürig commented on OAK-2849:
------------------------------------
Linking OAK-3797 here as this might also have some impact on revision gc
through the {{SegmentId}} instances being retained.
> Improve revision gc on SegmentMK
> --------------------------------
>
> Key: OAK-2849
> URL: https://issues.apache.org/jira/browse/OAK-2849
> Project: Jackrabbit Oak
> Issue Type: Epic
> Components: segmentmk
> Reporter: Michael Dürig
> Assignee: Michael Dürig
> Labels: candidate_oak_1_0, candidate_oak_1_2, compaction, gc
> Fix For: 1.4
>
> Attachments: SegmentCompactionIT-conflicts.png
>
>
> This is a container issue for the ongoing effort to improve revision gc of
> the SegmentMK.
> I'm exploring
> * ways to make the reference graph as exact as possible and necessary: it
> should not contain segments that are not referenceable any more and but must
> contain all segments that are referenceable.
> * ways to segregate the reference graph reducing dependencies between certain
> set of segments as much as possible.
> * Reducing the number of in memory references and their impact on gc as much
> as possible.
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