Donald Smith created CASSANDRA-8433:
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Summary: Add jmx control 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.
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