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https://issues.apache.org/jira/browse/CASSANDRA-7591?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14070941#comment-14070941
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Richard Low commented on CASSANDRA-7591:
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And I've just found CASSANDRA-7384. Sorry for the noise.
> Add per consistency level read and write metrics
> ------------------------------------------------
>
> Key: CASSANDRA-7591
> URL: https://issues.apache.org/jira/browse/CASSANDRA-7591
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Richard Low
>
> It would be helpful to have read and write metrics for each consistency level
> to help clients track query rates per consistency level. It's quite common to
> forget to set e.g. a config param in the client and use the wrong consistency
> level. Right now the only way to find out from Cassandra is to use tracing.
> It would also be helpful to track latencies for different consistency levels
> to estimate the cost of e.g. switching from LOCAL_QUORUM to QUORUM reads.
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