https://community.cloudera.com/t5/Archives-of-Support-Questions/Query-HDFS-JMX-metrics-for-top-user/m-p/167129#M49770 <P><A rel="user" href="https://community.cloudera.com/users/102/nmaheshwari.html" nodeid="102">@Namit Maheshwari</A> </P><P>yes, it is possible - couple of ways you can do this are:</P><P>1. You can do it from JAVA code by using JMX Apis.</P><P>2. You can connect to namenode:httpport;/jmx and get a json based response.</P><P>3. You can configure a Namenode/Datanode Metrics log file which will dump into a file which you can parse</P><P>I am probably missing some more ways :), hope this helps you.</P> Fri, 23 Dec 2016 02:52:08 GMT aengineer 2016-12-23T02:52:08Z https://community.cloudera.com/t5/Archives-of-Support-Questions/Query-HDFS-JMX-metrics-for-top-user/m-p/167128#M49769 <P>Is there a way to query HDFS jmx metrics for top users over a period of time. I know nntop does give the details in JMX. But is there a way to query it over a period of time and keep track?</P> Thu, 22 Dec 2016 07:03:11 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/Query-HDFS-JMX-metrics-for-top-user/m-p/167128#M49769 namaheshwari 2016-12-22T07:03:11Z https://community.cloudera.com/t5/Archives-of-Support-Questions/Query-HDFS-JMX-metrics-for-top-user/m-p/167129#M49770 <P><A rel="user" href="https://community.cloudera.com/users/102/nmaheshwari.html" nodeid="102">@Namit Maheshwari</A> </P><P>yes, it is possible - couple of ways you can do this are:</P><P>1. You can do it from JAVA code by using JMX Apis.</P><P>2. You can connect to namenode:httpport;/jmx and get a json based response.</P><P>3. You can configure a Namenode/Datanode Metrics log file which will dump into a file which you can parse</P><P>I am probably missing some more ways :), hope this helps you.</P> Fri, 23 Dec 2016 02:52:08 GMT https://community.cloudera.com/t5/Archives-of-Support-Questions/Query-HDFS-JMX-metrics-for-top-user/m-p/167129#M49770 aengineer 2016-12-23T02:52:08Z