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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 Mon, 24 Apr 2017 15:47:04 GMT

    [ https://issues.apache.org/jira/browse/HBASE-17436?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15981394#comment-15981394
] 

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

The change in AssignmentManager.java is white space only - can be dropped.

Add class javadoc and annotation for MetricsRegionStates

bq. +  String METRICS_DESCRIPTION = "Metrics about HBase regions.";

Add "states" to the description.

@InterfaceAudience.Private should be added to MetricsRegionStatesSourceImpl
{code}
+    if (regionStates.containsKey(encodedName)) regionStates.remove(encodedName);
{code}
Why is the call to containsKey() needed ?


> 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: HBASE-17436.patch, 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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