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From "Amar Kamat (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-4716) testRestartWithLostTracker frequently times out
Date Mon, 15 Dec 2008 11:45:44 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-4716?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12656605#action_12656605
] 

Amar Kamat commented on HADOOP-4716:
------------------------------------

Looks like HADOOP-4683 solves this issue for now. The way HADOOP-4683 solves this issue is
that it fetches all the events in one go and latest events are fetched faster. So the fact
that a map location is faulty/missing is immediately passed onto the reducer which adds the
map output location to the _ignore list_. I couldn't reproduce this bug with trunk. Also HADOOP-4220
tries to reduce the run-time of this testcase. 

> testRestartWithLostTracker frequently times out
> -----------------------------------------------
>
>                 Key: HADOOP-4716
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4716
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>            Reporter: Johan Oskarsson
>            Assignee: Amar Kamat
>            Priority: Blocker
>             Fix For: 0.20.0
>
>         Attachments: HADOOP-4716-v1.patch, log.txt
>
>
> This test frequently times out: org.apache.hadoop.mapred.TestJobTrackerRestartWithLostTracker.testRestartWithLostTracker
> Example: http://hudson.zones.apache.org/hudson/job/Hadoop-Patch/3637/testReport/org.apache.hadoop.mapred/TestJobTrackerRestartWithLostTracker/testRestartWithLostTracker/

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