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From "Anu Engineer (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-15339) Support additional key/value propereties in JMX bean registration
Date Mon, 29 Oct 2018 17:36:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-15339?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16667500#comment-16667500
] 

Anu Engineer commented on HADOOP-15339:
---------------------------------------

+1, on this change. thanks

> Support additional key/value propereties in JMX bean registration
> -----------------------------------------------------------------
>
>                 Key: HADOOP-15339
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15339
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: common
>            Reporter: Elek, Marton
>            Assignee: Elek, Marton
>            Priority: Major
>             Fix For: 3.2.0
>
>         Attachments: HADOOP-15339-branch-3.1.004.patch, HADOOP-15339.001.patch, HADOOP-15339.002.patch,
HADOOP-15339.003.patch
>
>
> org.apache.hadoop.metrics2.util.MBeans.register is a utility function to register objects
to the JMX registry with a given name prefix and name.
> JMX supports any additional key value pairs which could be part the the address of the
jmx bean. For example: _java.lang:type=MemoryManager,name=CodeCacheManager_
> Using this method we can query a group of mbeans, for example we can add the same tag
to similar mbeans from namenode and datanode.
> This patch adds a small modification to support custom key value pairs and also introduce
a new unit test for MBeans utility which was missing until now.



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