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https://issues.apache.org/jira/browse/FLINK-37168?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dian Fu closed FLINK-37168.
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Fix Version/s: 2.0.0
1.19.2
1.20.1
Resolution: Fixed
Merged to:
- master via d98051f4a77972b4b0c8c2f95e18655c8ae23b35
- release-1.20 via a224b50aa3215c7fb6e85c42070599454197c316
- release-1.19 via 775fdb95c91e204701ca0d31f2c13d013d281fe9
> TimerRegistrationAction in unregisteredTimers is not cleaned up properly
> after the timers are registered
> --------------------------------------------------------------------------------------------------------
>
> Key: FLINK-37168
> URL: https://issues.apache.org/jira/browse/FLINK-37168
> Project: Flink
> Issue Type: Bug
> Components: API / Python
> Affects Versions: 2.0.0
> Reporter: Shuyi Chen
> Assignee: Shuyi Chen
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.0.0, 1.19.2, 1.20.1
>
>
> 2 main issues:
> - TimerRegistrationAction in unregisteredTimers are not cleared for process
> time stateful pipelines, this will eventually cause JVM OOM.
> - modification in unregisteredTimers can happen in grpc thread and main
> thread, no concurrency control is used to synchronize the operations.
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