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Posted to issues@spark.apache.org by "Thomas Graves (JIRA)" <ji...@apache.org> on 2014/09/22 05:13:33 UTC

[jira] [Created] (SPARK-3632) ConnectionManager can run out of receive threads with authentication on

Thomas Graves created SPARK-3632:
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             Summary: ConnectionManager can run out of receive threads with authentication on
                 Key: SPARK-3632
                 URL: https://issues.apache.org/jira/browse/SPARK-3632
             Project: Spark
          Issue Type: Bug
          Components: Spark Core
    Affects Versions: 1.1.0
            Reporter: Thomas Graves
            Assignee: Thomas Graves
            Priority: Critical


If you turn authentication on and you are using a lot of executors. There is a chance that all the of the threads in the handleMessageExecutor could be waiting to send a message because they are blocked waiting on authentication to happen. This can cause a temporary deadlock until the connection times out.



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