[jira] [Commented] (STORM-1574) Better exception handling in backpressure thread, and remove backpressure dir during topology kill.

[ASF GitHub Bot (JIRA)]

    [ 
https://issues.apache.org/jira/browse/STORM-1574?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15166442#comment-15166442
 ] 

ASF GitHub Bot commented on STORM-1574:
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Github user hustfxj commented on the pull request:

    https://github.com/apache/storm/pull/1149#issuecomment-188537244
  
    +1  It looks good to me


> 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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