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https://issues.apache.org/jira/browse/HBASE-21858?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16766529#comment-16766529
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Sergey Shelukhin commented on HBASE-21858:
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Fixing some stuff and adding a test

> report more metrics for exceptions; DFS error categories; RS abort reasons
> --------------------------------------------------------------------------
>
>                 Key: HBASE-21858
>                 URL: https://issues.apache.org/jira/browse/HBASE-21858
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>            Priority: Major
>         Attachments: HBASE-21858.01.patch, HBASE-21858.02.patch, 
> HBASE-21858.patch
>
>
> These are useful for debugging without having to read the logs as much, esp. 
> when there are many machines involved.



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