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https://issues.apache.org/jira/browse/CASSANDRA-12197?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ekaterina Dimitrova updated CASSANDRA-12197:
--------------------------------------------
Test and Documentation Plan:
[https://github.com/ekaterinadimitrova2/cassandra/pull/13]
CI tests results attached as screenshots to the ticket
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.
was:
[https://github.com/ekaterinadimitrova2/cassandra/pull/13]
CI tests results attached as screenshots to the ticket
> 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
>
> Attachments: Screen Shot 2020-01-07 at 10.26.51 AM.png, Screen Shot
> 2020-01-07 at 10.27.24 AM.png, Screen Shot 2020-01-07 at 10.30.31 AM.png
>
>
> 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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