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https://issues.apache.org/jira/browse/STORM-1574?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15166645#comment-15166645
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ASF GitHub Bot commented on STORM-1574:
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Github user wuchong commented on the pull request:
https://github.com/apache/storm/pull/1149#issuecomment-188582664
+1
> Better exception handling in backpressure thread, and remove backpressure dir
> during topology kill.
> ---------------------------------------------------------------------------------------------------
>
> Key: STORM-1574
> URL: https://issues.apache.org/jira/browse/STORM-1574
> Project: Apache Storm
> Issue Type: Improvement
> Components: storm-core
> Affects Versions: 1.0.0, 2.0.0
> Reporter: Zhuo Liu
> Assignee: Zhuo Liu
> Fix For: 1.0.0, 2.0.0
>
>
> The current exception handling in WorkerBackpressureThread can cause the
> thread to die before we want, causing potential backpressure flag
> synchronizing problem.
> Also, we need to cleanup the topology backpressure directory during killing.
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