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https://issues.apache.org/jira/browse/HBASE-450?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12569212#action_12569212
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Billy Pearson commented on HBASE-450:
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>> For diagnostic purposes
currently you can see all the regions that a region server has open by viewing
the region server gui on port 60030
If its just for diagnostic and you do not have to many nodes this is a easy way
to check as it shows start and end key for all regions it host.
The master will give you a list of nodes and number of regions on port 60010 on
the master node.
> [gui] mapping from row name to hosting regionserver
> ---------------------------------------------------
>
> Key: HBASE-450
> URL: https://issues.apache.org/jira/browse/HBASE-450
> Project: Hadoop HBase
> Issue Type: New Feature
> Reporter: Michael Bieniosek
>
> Occasionally something will go wrong with hbase. This is often due to an
> overloaded regionserver or datanode. For diagnostic purposes, it would be
> nice to have a gui way to figure out which regionserver a particular row
> lived on.
> It would be even nicer if I could also see which datanodes are hosting the
> data for the regionserver.
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