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From "Josh Elser (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-17002) [Master] Report quotas and active violations on Master UI and JMX metrics
Date Fri, 24 Feb 2017 22:56:44 GMT

    [ https://issues.apache.org/jira/browse/HBASE-17002?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15883691#comment-15883691
] 

Josh Elser commented on HBASE-17002:
------------------------------------

One issue that I ran into is that there is no good way to do expose a {{CompositeData}} object
via the hbase metrics and hadoop metrics2 API. The CompositeData class is what is used to
make a little "closure", like...

{noformat}
  "t1" : {
    usage=1234,
    limit = 5678
  },
  ...
{noformat}

So, that's why there's the little json blob in tag.tableSpaceQuotaOverview and tag.namespaceSpaceQuotaOverview

> [Master] Report quotas and active violations on Master UI and JMX metrics
> -------------------------------------------------------------------------
>
>                 Key: HBASE-17002
>                 URL: https://issues.apache.org/jira/browse/HBASE-17002
>             Project: HBase
>          Issue Type: Sub-task
>          Components: master, UI
>            Reporter: Josh Elser
>            Assignee: Josh Elser
>
> We should be able to view the Master UI and determine what quotas exist and the quotas
that are in violation to easily confirm/deny the state of tables/namespaces.
> The JMX metrics from the Master should also include the list of tables/namespaces which
have quotas whose violation policies are presently being enforced.



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