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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-17436) Add facility to provide more information for Other Regions seen on Master UI
Date Fri, 21 Apr 2017 15:49:04 GMT

    [ https://issues.apache.org/jira/browse/HBASE-17436?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15978957#comment-15978957
] 

Ted Yu commented on HBASE-17436:
--------------------------------

Looking at MetricsRegionSourceImpl , it contains counters for region operations.
Probably we should not use MetricsRegionSource for non-counter metrics.
{code}
+  public void deleteRegionState(String encodedName) {
+    if (regionStates.containsKey(encodedName)) regionStates.remove("encodedName");
{code}
The quoted parameter is a typo.

Where is deleteRegionState() called ?

> Add facility to provide more information for Other Regions seen on Master UI
> ----------------------------------------------------------------------------
>
>                 Key: HBASE-17436
>                 URL: https://issues.apache.org/jira/browse/HBASE-17436
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Ted Yu
>            Assignee: Janos Gub
>              Labels: ui
>         Attachments: initial.patch
>
>
> [~rpednekar] and I were looking at a case where the count displayed under Other Regions
was high (~1200).
> Since the table page just maintains a count instead of List of region names, it is very
difficult for user to determine which regions belong to this category.
> We should provide facility to provide more details for this category (LOG, JMX, etc).



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