FAQ
I added the follow properties in "Java Configuration Options for Resource
manager/Node manager". I can use jconsole to connect the port and find the
mbeans like Hadoop:ResourceManager, and Hadoop:NodeManager. But how can I
access the metrics collected by "maptask" and "reducetask" daemons listed
under "Branch-2 Deamons/Prefixes" in h
ttp://blog.cloudera.com/blog/2012/10/what-is-hadoop-metrics2/<http://blog.cloudera.com/blog/2012/10/what-is-hadoop-metrics2/>
"?

-Dcom.sun.management.jmxremote.ssl=false
-Dcom.sun.management.jmxremote.authenticate=false
-Dcom.sun.management.jmxremote.port=10101

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