Chris Lohfink created CASSANDRA-13642:
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Summary: Expose recent histograms in JmxHistograms
Key: CASSANDRA-13642
URL: https://issues.apache.org/jira/browse/CASSANDRA-13642
Project: Cassandra
Issue Type: Improvement
Components: Observability
Reporter: Chris Lohfink
Assignee: Chris Lohfink
For monitoring tools that were written for the recent*Histograms the current
decaying and all time values exposed by the JmxHistograms is not consumable. We
can add a new attribute (easier with some tooling than operations to read) to
expose it just like in storage service previously.
Should additionally make it so this attribute only stores previous values if
read, so that it does not add any additional memory cost to C* unless used
since we already storing 2 versions of histogram for the decaying/alltime views.
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