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From "Sean Owen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SPARK-3632) ConnectionManager can run out of receive threads with authentication on
Date Wed, 25 Mar 2015 16:34:53 GMT

     [ https://issues.apache.org/jira/browse/SPARK-3632?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sean Owen updated SPARK-3632:
-----------------------------
    Labels:   (was: backport-needed)

> 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
>             Fix For: 1.2.0
>
>
> 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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