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https://issues.apache.org/jira/browse/OAK-4967?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Dürig updated OAK-4967:
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Labels: performance (was: )
> Offload the node deduplication cache offheap partially
> ------------------------------------------------------
>
> Key: OAK-4967
> URL: https://issues.apache.org/jira/browse/OAK-4967
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: segment-tar
> Reporter: Alex Parvulescu
> Labels: performance
>
> The node deduplication cache sits by default at {{8388608}} by default [0]
> which means it can grow up to {{1.6GB}} on its own. It would be interesting
> to look into offloading some it the items offheap by configuration, to reduce
> the effect a full compaction might have on a running instance (and possibly
> in general reduce the on-heap footprint).
> [0]
> https://github.com/apache/jackrabbit-oak/blob/trunk/oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/WriterCacheManager.java#L70
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