[jira] [Updated] (CASSANDRA-12197) Integrate top threads command in nodetool

["Ekaterina Dimitrova (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-12197?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ekaterina Dimitrova updated CASSANDRA-12197:
--------------------------------------------
    Reviewers:   (was: Robert Stupp)

> Integrate top threads command in nodetool
> -----------------------------------------
>
>                 Key: CASSANDRA-12197
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12197
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Tool/nodetool
>            Reporter: J.B. Langston
>            Assignee: Ekaterina Dimitrova
>            Priority: Low
>             Fix For: 4.0
>
>
> 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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