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https://issues.apache.org/jira/browse/CASSANDRA-12197?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15375627#comment-15375627
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Brandon Williams commented on CASSANDRA-12197:
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So much +1 on this. I've had to ask people to install sjk so many times to
troubleshoot something I've lost count. Excellent tool that we should
integrate.
> 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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