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https://issues.apache.org/jira/browse/OAK-3133?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Francesco Mari updated OAK-3133:
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Attachment: OAK-3133-01.patch
The attached patch backports to the 1.0 and 1.2 branches the system property
that can be used to configure the compression interval of the in-memory
compaction map.
I tested the patch on both the 1.0 and the 1.2 branches, and I used the same
system property name as the one currently in trunk for
{{InMemoryCompactionMap}}.
[~mduerig], [~alexparvulescu], can you have a look at it?
> Make compaction map more efficient for offline compaction
> ---------------------------------------------------------
>
> Key: OAK-3133
> URL: https://issues.apache.org/jira/browse/OAK-3133
> Project: Jackrabbit Oak
> Issue Type: Sub-task
> Components: run
> Reporter: Michael Dürig
> Assignee: Francesco Mari
> Labels: compaction, gc
> Fix For: 1.2.4, 1.3.5, 1.0.19
>
> Attachments: OAK-3133-01.patch
>
>
> The compaction map might be expensive. See OAK-2862 for the analysis. We
> should find ways to lower the impact of this on offline compaction. One
> option would be to make the compress cycle configurable, which would require
> more heap. Another option would be to leverage the persisted compaction map
> here also.
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