[jira] Commented: (CASSANDRA-702) stop smoothing out JMX stats

["Jonathan Ellis (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-702?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12800536#action_12800536 ] 

Jonathan Ellis commented on CASSANDRA-702:
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general consensus on irc that stat queries should not have side effects.

Brandon suggests: "I think counts are easily treated like a network iface counter, incr till you can't and wrap.  Cache hits could be a counter and treated the same way, but I don't see a way to solve latency without some kind of smoothing involved."

> stop smoothing out JMX stats
> ----------------------------
>
>                 Key: CASSANDRA-702
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-702
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Tools
>            Reporter: Jonathan Ellis
>            Assignee: Jonathan Ellis
>            Priority: Minor
>             Fix For: 0.9
>
>
> seems like "give me the stats since the last time I was queried" would make more sense.  we wouldn't need the stats dequeue for that, either; a few counters would be enough.

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