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https://issues.apache.org/jira/browse/OAK-6428?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrei Dulceanu updated OAK-6428:
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Attachment: OAK-6428.patch
I attached a patch implementing this change. Still unsure about the best name
for the flag.
[~mduerig], could you review the patch, please?
> Add flag for controlling percentile of commit time used in scheduler
> --------------------------------------------------------------------
>
> Key: OAK-6428
> URL: https://issues.apache.org/jira/browse/OAK-6428
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: segment-tar
> Reporter: Andrei Dulceanu
> Assignee: Andrei Dulceanu
> Priority: Minor
> Labels: Performance, scalability
> Fix For: 1.8, 1.7.4
>
> Attachments: OAK-6428.patch
>
>
> In OAK-4732 the 50th percentile of the last 1000 commits is used as wait time
> before returning the current root. In order to parametrise the value of the
> percentile, it would be nice to have a new feature flag, e.g.
> {{oak.scheduler.head.lockWaitPercentile}}. Setting it to {{0}} would
> basically disable this. Setting it to a different value might be interesting
> in future experiments.
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