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https://issues.apache.org/jira/browse/OAK-5029?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15612268#comment-15612268
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Timothee Maret commented on OAK-5029:
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[~frm] could you have a look at the patch ?
> Use head GC generation number to trigger cleanup on standby instance
> ---------------------------------------------------------------------
>
> Key: OAK-5029
> URL: https://issues.apache.org/jira/browse/OAK-5029
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: segment-tar
> Affects Versions: Segment Tar 0.0.16
> Reporter: Timothee Maret
> Assignee: Timothee Maret
> Attachments: OAK-5029.patch
>
>
> With {{oak-segment-tar}}, the trigger for running {{cleanup}} on the standby
> instance could be determined by the GC generation number of the head which is
> bound to increase every time a cleanup is ran.
> {code}
> fileStore.getHead().getRecordId().getSegment().getGcGeneration();
> {code}
> The current trigger mechanism consists of detecting a 25% size increase over
> a client cycle (typ. 5 sec).
> This would be dropped in favor of the new detection mechanism.
> The auto-compaction mode would remain configurable.
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