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Posted to common-issues@hadoop.apache.org by "Elek, Marton (JIRA)" <ji...@apache.org> on 2018/03/23 09:02:00 UTC

[jira] [Created] (HADOOP-15339) Support additional key/value propereties in JMX bean registration

Elek, Marton created HADOOP-15339:
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             Summary: 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: Bug
            Reporter: Elek, Marton
            Assignee: Elek, Marton


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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