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https://issues.apache.org/jira/browse/HADOOP-2481?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12558084#action_12558084
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Mukund Madhugiri commented on HADOOP-2481:
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+1
I tested it on a 500 node cluster and it works fine. Thanks Hairong
> NNBench should periodically report its progress
> -----------------------------------------------
>
> Key: HADOOP-2481
> URL: https://issues.apache.org/jira/browse/HADOOP-2481
> Project: Hadoop
> Issue Type: Bug
> Components: test
> Affects Versions: 0.15.1
> Reporter: Hairong Kuang
> Assignee: Hairong Kuang
> Fix For: 0.16.0
>
> Attachments: NNBench.patch
>
>
> When I run NNBench on a 100-node cluster, some map tasks fail with the error
> message "Task xx failed to report status for yy seconds. Killing!". Map tasks
> should periodically reports its progress to prevent itself being killed.
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