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From "Sharad Agarwal (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-2429) Check jvmid during task status report
Date Tue, 14 Jun 2011 10:02:47 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-2429?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13049092#comment-13049092
] 

Sharad Agarwal commented on MAPREDUCE-2429:
-------------------------------------------

In MR AM, getting status updates from a Task even after DONE call is ok. The minor fix required
in TaskAttemptImpl state machine is to ignore the TA_DONE event in SUCCEEDED state. This will
lead to ignoring of status updates from a task once it sends the done.

> Check jvmid during task status report
> -------------------------------------
>
>                 Key: MAPREDUCE-2429
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-2429
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: tasktracker
>    Affects Versions: 0.21.0, 0.22.0, 0.23.0
>            Reporter: Arun C Murthy
>            Assignee: Siddharth Seth
>             Fix For: 0.20.204.0, 0.23.0
>
>         Attachments: MR2429-1.patch, MR2429.patch, MR2429_trunk.patch
>
>
> Currently TT doens't check to ensure jvmid is relevant during communication with the
Child via TaskUmbilicalProtocol.

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