[jira] [Commented] (CASSANDRA-18298) Remove WaitingOnFreeMemtableSpace metric

["Bartlomiej (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-18298?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17743988#comment-17743988 ] 

Bartlomiej commented on CASSANDRA-18298:
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Hi, I would like to work on this, just a few questions:

I removed waitingOnFreeMemtableSpace metric and now there is a need for change in JMXCompatabilityTest, my question is if the regression should be handled as in diff i provided (so, I don't want to regenerate entire cassandra-X.X-jmx.yaml, just exclude removed, breaking change metric and annotate with relevant Jira ticket). [^diff.txt]

> Remove WaitingOnFreeMemtableSpace metric
> ----------------------------------------
>
>                 Key: CASSANDRA-18298
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-18298
>             Project: Cassandra
>          Issue Type: Task
>          Components: Observability/Metrics
>            Reporter: Paulo Motta
>            Priority: Normal
>              Labels: lhf
>         Attachments: diff.txt
>
>
> It doesn't seem like this metric is [ever updated|https://github.com/apache/cassandra/search?q=WaitingOnFreeMemtableSpace], or ever was.
> While we're at it we should remove any other unused metric.



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