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https://issues.apache.org/jira/browse/NIFI-3039?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joe Skora updated NIFI-3039:
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Status: Patch Available (was: Open)
> Provenance Repository - Fix PurgeOldEvent and Rollover Size Limits
> ------------------------------------------------------------------
>
> Key: NIFI-3039
> URL: https://issues.apache.org/jira/browse/NIFI-3039
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Affects Versions: 0.7.1, 1.0.0, 1.1.0, 0.8.0
> Reporter: Joe Skora
> Assignee: Joe Skora
>
> Current {purgeOldEvents} logic triggers cleanup when 90% of space is used,
> but it only removes one file if usage is under 100%, causing thrashing around
> 100% usage. In testing, cleanup up to 70% after hitting 90% makes the system
> run more smoothly.
> Also, {rollover} will not trigger cleanup unless 110% of the allowed space is
> in use, changing this to 100% also make a difference in testing.
> Before these changes, a test system that generates huge amounts of provenance
> would become unstable and stop processing provenance until restarted. With
> these changes, the system consistently recovers even under heavy load.
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