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From "Jonathan Eagles (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6850) Shuffle Handler keep-alive connections are closed from the server side
Date Thu, 23 Feb 2017 21:51:44 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6850?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15881345#comment-15881345
] 

Jonathan Eagles commented on MAPREDUCE-6850:
--------------------------------------------

Details regarding network trace showing keep-alive connections not being reused can be found
in TEZ-3633.

> Shuffle Handler keep-alive connections are closed from the server side
> ----------------------------------------------------------------------
>
>                 Key: MAPREDUCE-6850
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6850
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Jonathan Eagles
>            Assignee: Jonathan Eagles
>         Attachments: MAPREDUCE-6850.1.patch
>
>
> When performance testing tez shuffle handler (TEZ-3334), it was noticed the keep-alive
connections are closed from the server-side. The client silently recovers and logs the connection
as keep-alive, despite reestablishing a connection. This jira aims to remove the close from
the server side, fixing the bug preventing keep-alive connections.



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