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ASF GitHub Bot commented on CASSANDRA-13642: -------------------------------------------- Github user asfgit closed the pull request at: https://github.com/apache/cassandra/pull/126 > 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 > Fix For: 4.0 > > > 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. -- This message was sent by Atlassian JIRA (v6.4.14#64029) --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org