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From "Mit Desai (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3671) AM-NM RPC calls occasionally takes a long time to respond
Date Fri, 18 Apr 2014 16:17:18 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3671?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13974201#comment-13974201

Mit Desai commented on MAPREDUCE-3671:

[~vinodkv] [~sseth] : I see this targeted to 0.23 and there has been no activity on the Jira
since a long time. What is the status on this task? Is it still an issue in 0.23? If not,
we can close the issue as 0.23 is going into maintenance mode, or re-target it to 2.5.0 if
we need it in 2.X
Can any one of you please update me on the status by 4/22?

> AM-NM RPC calls occasionally takes a long time to respond
> ---------------------------------------------------------
>                 Key: MAPREDUCE-3671
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3671
>             Project: Hadoop Map/Reduce
>          Issue Type: Sub-task
>          Components: mrv2, nodemanager
>    Affects Versions: 0.23.0
>            Reporter: Siddharth Seth
> Observed while looking at MAPREDUCE-3596 and MAPREDUCE-3656.
> startContainer taking over a minute in some cases, otherwise 15 seconds. Both were observed
soon after reduce tasks started. Network congestion ? Need more looking into.

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