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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