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https://issues.apache.org/jira/browse/HADOOP-5599?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12694173#action_12694173
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Ramya R commented on HADOOP-5599:
---------------------------------
I ran the above job on a 480 node cluster with many racks and the JT was
brought up using fairshare scheduler.
A similar kind of behavior is observed in the following case as well:
* Generate data and sort it
* Datanodes in a given rack go down
* Run testmapredsort. The job fails
* The filesystem is declared CORRUPT
> Unable to run jobs when all the nodes in rack are down
> ------------------------------------------------------
>
> Key: HADOOP-5599
> URL: https://issues.apache.org/jira/browse/HADOOP-5599
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.20.0
> Reporter: Ramya R
> Fix For: 0.20.0
>
>
> Jobs such as randomwriter, sort, validator fail when all the datanodes in a
> rack are down.
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