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https://issues.apache.org/jira/browse/MAPREDUCE-2174?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12928060#action_12928060
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Ted Yu commented on MAPREDUCE-2174:
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I put this in hadoop-env.sh:
export HADOOP_SSH_OPTS="-o ConnectTimeout=1"
slaves.sh has been running for several minutes.
> Introduce timeout in bin/slaves.sh
> ----------------------------------
>
> Key: MAPREDUCE-2174
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2174
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Affects Versions: 0.20.2
> Reporter: Ted Yu
>
> If connection to one slave has problem, slaves.sh appears to hang.
> We can incorporate timeout mechanism by using the script from Dmitry V
> Golovashkin
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