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Posted to dev@storm.apache.org by "Jungtaek Lim (JIRA)" <ji...@apache.org> on 2016/04/26 12:29:12 UTC

[jira] [Created] (STORM-1731) Avoid looking up debug / backpressure enable flags within critical path

Jungtaek Lim created STORM-1731:
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             Summary: 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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