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https://issues.apache.org/jira/browse/KAFKA-4724?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Damian Guy updated KAFKA-4724:
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Summary: Clean up of state directories can possibly remove stores that are
about to be used by another thread (was: Clean up of state directories has a
race condition and can possibly remove stores that are still used)
> Clean up of state directories can possibly remove stores that are about to be
> used by another thread
> ----------------------------------------------------------------------------------------------------
>
> Key: KAFKA-4724
> URL: https://issues.apache.org/jira/browse/KAFKA-4724
> Project: Kafka
> Issue Type: Bug
> Components: streams
> Affects Versions: 0.10.2.0
> Reporter: Damian Guy
> Assignee: Damian Guy
> Fix For: 0.10.3.0
>
>
> Currently, each {{StreamThread}} cleans up unused state directories based on
> the config {{StreamsConfig.STATE_CLEANUP_DELAY_MS_CONFIG}}.
> In situations where there are multiple threads configured this can lead to a
> race condition where the state directory gets removed by one thread when the
> task has been assigned (but not yet taken a lock) to another thread in the
> process.
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