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From "Matteo Bertozzi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-14986) Display the key range for each region in the Regionserver UI
Date Wed, 16 Dec 2015 00:23:46 GMT

    [ https://issues.apache.org/jira/browse/HBASE-14986?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15059189#comment-15059189

Matteo Bertozzi commented on HBASE-14986:

I think the number needs to be "cleaned up" a bit.
to me, It will be useful to have a quick look at regions and see that "key space of region2
is 5 times larger than the other regions".

> 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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