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https://issues.apache.org/jira/browse/STORM-1574?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15165686#comment-15165686
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ASF GitHub Bot commented on STORM-1574:
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GitHub user zhuoliu opened a pull request:
https://github.com/apache/storm/pull/1149
[STORM-1574] Better handle backpressure thread exception & clear dir.
1. Better handle exception.
2. Remove topo dir during kill.
3. Add a unit test.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/zhuoliu/storm 1574
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/storm/pull/1149.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #1149
----
commit ee1a51993a4244dd6a3a112f70db0c8d74770557
Author: zhuol <zh...@yahoo-inc.com>
Date: 2016-02-24T22:56:39Z
[STORM-1574] Better handle backpressure thread exception and clear topo dir.
----
> 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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