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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-1191) MapTask should wait for the status reporting thread to die before invoking the TaskUmbilicalProtocol.done(taskid)
Date Mon, 02 Apr 2007 22:06:32 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-1191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12486153
] 

Hadoop QA commented on HADOOP-1191:
-----------------------------------

-1, because the patch command could not apply the latest attachment http://issues.apache.org/jira/secure/attachment/12354785/1191-2.patch
as a patch to trunk revision http://svn.apache.org/repos/asf/lucene/hadoop/trunk/524929. Please
note that this message is automatically generated and may represent a problem with the automation
system and not the patch. Results are at http://lucene.zones.apache.org:8080/hudson/job/Hadoop-Patch

> MapTask should wait for the status reporting thread to die before invoking the TaskUmbilicalProtocol.done(taskid)
> -----------------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-1191
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1191
>             Project: Hadoop
>          Issue Type: Bug
>          Components: mapred
>    Affects Versions: 0.12.2
>            Reporter: Devaraj Das
>         Assigned To: Doug Cutting
>             Fix For: 0.12.3
>
>         Attachments: 1191-2.patch, 1191.patch
>
>
> Currently, the status reporting thread is sent an interrupt and immediately after that
TaskUmbilicalProtocol.done() is invoked. A better thing to do is to wait for the thread to
die before invoking done() otherwise it is possible that a status message just makes it through
and then the Task is put in RUNNING state at the TaskTracker. This results in inconsistency
about the runstate of a task at the TaskTracker's end.

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