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https://issues.apache.org/jira/browse/MAPREDUCE-766?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sreekanth Ramakrishnan updated MAPREDUCE-766:
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Attachment: mapreduce-766-4.patch
Attaching a patch incorporating Hemanths comments.
* Changed, the separator between reasons for blacklisting to "," and stripping
off all "\n" in the black list report and changing it to ":" for better
parsability.
* Added test case to check the behavior if no tracker is blacklisted and if a
tracker is blacklisted for multiple reasons.
> Enhance -list-blacklisted-trackers to display host name, blacklisted reason
> and blacklist report.
> -------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-766
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-766
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Reporter: Sreekanth Ramakrishnan
> Assignee: Sreekanth Ramakrishnan
> Attachments: mapreduce-766-1.patch, mapreduce-766-2.patch,
> mapreduce-766-3.patch, mapreduce-766-4.patch
>
>
> Currently, the -list-blacklisted-trackers in the mapred job option list only
> tracker name. We should enhance it to display as hostname, reason for
> blacklisting and blacklist report.
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