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From "J.B. Langston (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-12197) Integrate top threads command in nodetool
Date Wed, 13 Jul 2016 19:49:20 GMT
J.B. Langston created CASSANDRA-12197:
-----------------------------------------

             Summary: Integrate top threads command in nodetool
                 Key: CASSANDRA-12197
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12197
             Project: Cassandra
          Issue Type: Improvement
            Reporter: J.B. Langston
            Priority: Minor


SJK (https://github.com/aragozin/jvm-tools) has a command called ttop that displays the top
threads within the JVM, sorted either by CPU utilization or heap allocation rate. When diagnosing
garbage collection or high cpu utilization, this is very helpful information.  It would be
great if users can get this directly with nodetool without having to download something else.
 SJK is Apache 2.0 licensed so it might be possible leverage its code.



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