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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:
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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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