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https://issues.apache.org/jira/browse/OAK-5058?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrei Dulceanu updated OAK-5058:
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Summary: Improve GC running strategy based on both absolute size and
relative percentage (was: Improve strategy for deciding whether to run GC
based on both absolute size and relative percentage)
> Improve GC running strategy based on both absolute size and relative
> percentage
> -------------------------------------------------------------------------------
>
> Key: OAK-5058
> URL: https://issues.apache.org/jira/browse/OAK-5058
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: segment-tar
> Affects Versions: 1.5.12
> Reporter: Andrei Dulceanu
> Assignee: Andrei Dulceanu
> Priority: Minor
> Fix For: 1.5.14
>
>
> A better way of deciding whether GC should run or not might be by looking at
> the numbers computed in {{SizeDeltaGcEstimation}} from both an absolute size
> and relative percentage point of view. For example it would make sense to
> run compaction only if both criteria are met: "run if there is > 50% increase
> or more than 10GB".
> Since the absolute threshold is already implemented (see
> {{SegmentGCOptions.SIZE_DELTA_ESTIMATION_DEFAULT}}), it would be nice to add
> also something like {{SegmentGCOptions.SIZE_PERCENTAGE_ESTIMATION_DEFAULT}}
> and use it in taking the decision.
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