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From "Junping Du (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-4527) Possible thread leak if TimelineClient.start() get called multiple times.
Date Wed, 30 Dec 2015 14:39:49 GMT
Junping Du created YARN-4527:
--------------------------------

             Summary: Possible thread leak if TimelineClient.start() get called multiple times.
                 Key: YARN-4527
                 URL: https://issues.apache.org/jira/browse/YARN-4527
             Project: Hadoop YARN
          Issue Type: Bug
          Components: timelineserver
    Affects Versions: 2.8.0
            Reporter: Junping Du
            Assignee: Junping Du


Since YARN-4234, we involve TimelineClient start and stop that would create different TimelineWriter
according to the configuration. serviceStart() will create a TimelineWriter instance every
time which will spawn several timer threads afterwards. If one TimelineClient get call start()
multiple times for some reason (application bug or intentionally in some cases), the spawned
timer threads will get leak.



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