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https://issues.apache.org/jira/browse/HBASE-14986?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15061701#comment-15061701
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Govind Kamat commented on HBASE-14986:
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This is not intended to be a panacea to assure users the key space is correctly
split, but rather, would provide some additional information that alleviates
the need to compute the ranges by hand if they want to view them. As Matteo
mentioned above, for users who understand the splits they need implemented,
this would give some quick verification that the regions are set up the way
they would like them to be.
> Display the key range for each region in the Regionserver UI
> ------------------------------------------------------------
>
> Key: HBASE-14986
> URL: https://issues.apache.org/jira/browse/HBASE-14986
> Project: HBase
> Issue Type: New Feature
> Components: regionserver, UI
> Reporter: Govind Kamat
> Assignee: Govind Kamat
> Priority: Minor
> Attachments: rs.jpg
>
>
> The regionserver UI shows the start and end keys for each region, but it is
> hard for users to deduce the byte range between these.
> Unbalanced ranges can potentially lead to hot spots. Giving users an easy
> way to view the key range for each region and how these ranges compare across
> regions may help alleviate this problem.
> Key ranges may become non-uniform as a consequence of auto-splitting or due
> to users setting them up incorrectly to begin with.
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