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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2014/09/22 05:26:33 UTC

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

    [ https://issues.apache.org/jira/browse/SPARK-3632?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14142866#comment-14142866 ] 

Apache Spark commented on SPARK-3632:
-------------------------------------

User 'tgravescs' has created a pull request for this issue:
https://github.com/apache/spark/pull/2484

> 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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