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https://issues.apache.org/jira/browse/OAK-5056?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Dürig updated OAK-5056:
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Epic Colour: ghx-label-6 (was: ghx-label-1)
> Improve GC scalability on TarMK
> -------------------------------
>
> Key: OAK-5056
> URL: https://issues.apache.org/jira/browse/OAK-5056
> Project: Jackrabbit Oak
> Issue Type: Epic
> Components: segment-tar
> Reporter: Michael Dürig
> Assignee: Michael Dürig
> Priority: Major
> Labels: gc, scalability
> Fix For: 1.9.0, 1.10
>
>
> This issue is about making TarMK gc more scalable:
> * how to deal with huge repositories.
> * how to deal with massive concurrent writes.
> * how can we improve monitoring to determine gc health.
> ** Monitor deduplication caches (e.g. deduplication of checkpoints)
> Possible avenues to explore:
> * Can we partition gc? (e.g. along sub-trees, along volatile vs. static
> content)
> * Can we pause and resume gc? (e.g. to give precedence to concurrent writes)
> * Can we make gc a real background process not contending with foreground
> operations?
> This issue is a follow up to OAK-2849, which was about efficacy of gc.
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