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https://issues.apache.org/jira/browse/STORM-1731?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15260147#comment-15260147
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ASF GitHub Bot commented on STORM-1731:
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Github user vesense commented on the pull request:
https://github.com/apache/storm/pull/1362#issuecomment-215084353
+1 Great Finding.
> Avoid looking up debug / backpressure enable flags within critical path
> -----------------------------------------------------------------------
>
> Key: STORM-1731
> URL: https://issues.apache.org/jira/browse/STORM-1731
> Project: Apache Storm
> Issue Type: Bug
> Components: storm-core
> Affects Versions: 1.0.0
> Reporter: Jungtaek Lim
> Assignee: Jungtaek Lim
> Priority: Critical
>
> While profiling the result of STORM-1729, I also found that there're many
> places in critical path which look up the value of flags which are not
> updated dynamically.
> ("get from map" is on top 5 from each spout / bolt thread.)
> This should be fixed.
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