[jira] [Updated] (CASSANDRA-8433) Add jmx and nodetool controls to reset lifetime metrics to zero

2018-11-18 Thread C. Scott Andreas (JIRA)


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https://issues.apache.org/jira/browse/CASSANDRA-8433?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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C. Scott Andreas updated CASSANDRA-8433:

Component/s: Metrics

> Add jmx and nodetool controls to reset lifetime metrics to zero
> ---
>
> Key: CASSANDRA-8433
> URL: https://issues.apache.org/jira/browse/CASSANDRA-8433
> Project: Cassandra
>  Issue Type: Improvement
>  Components: Metrics
>Reporter: Donald Smith
>Priority: Minor
>
> Often I change some parameter in cassandra, in the OS, or in an external 
> component and want to see the effect on cassandra performance.  Because some 
> the jmx metrics are for the lifetime of the process, it's hard to see the 
> effect of changes.  It's inconvenient to restart all the nodes. And if you 
> restart only some nodes (as I often do) then only those metrics reset to zero.
> The jmx interface should provide a way to reset all lifetime metrics to zero. 
>  And *nodetool* should invoke that to allow resetting metrics from the 
> command line.



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[jira] [Updated] (CASSANDRA-8433) Add jmx and nodetool controls to reset lifetime metrics to zero

2014-12-05 Thread Donald Smith (JIRA)

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https://issues.apache.org/jira/browse/CASSANDRA-8433?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Donald Smith updated CASSANDRA-8433:

Summary: Add jmx and nodetool controls to reset lifetime metrics to zero  
(was: Add jmx and mdoetool controls to reset lifetime metrics to zero)

 Add jmx and nodetool controls to reset lifetime metrics to zero
 ---

 Key: CASSANDRA-8433
 URL: https://issues.apache.org/jira/browse/CASSANDRA-8433
 Project: Cassandra
  Issue Type: Improvement
Reporter: Donald Smith
Priority: Minor

 Often I change some parameter in cassandra, in the OS, or in an external 
 component and want to see the effect on cassandra performance.  Because some 
 the jmx metrics are for the lifetime of the process, it's hard to see the 
 effect of changes.  It's inconvenient to restart all the nodes. And if you 
 restart only some nodes (as I often do) then only those metrics reset to zero.
 The jmx interface should provide a way to reset all lifetime metrics to zero. 
  And *nodetool* should invoke that to allow resetting metrics from the 
 command line.



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