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https://issues.apache.org/jira/browse/CASSANDRA-8467?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15235805#comment-15235805
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Christopher Batey commented on CASSANDRA-8467:
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Having an MBean that I could see total time spent in UDF and a latency
distribution of UDF execution would be very nice.
> Monitoring UDFs
> ---------------
>
> Key: CASSANDRA-8467
> URL: https://issues.apache.org/jira/browse/CASSANDRA-8467
> Project: Cassandra
> Issue Type: New Feature
> Components: Observability
> Reporter: Robert Stupp
> Priority: Minor
> Labels: tracing, udf
>
> This thicket's about to add UDF executions to session-tracing.
> Tracing these parameters for UDF invocations could become very interesting.
> * name of UDF
> * # of invocations
> * # of rejected executions
> * min/max/avg execution times
> "Rejected executions" would count UDFs that are not executed because an input
> parameter is null/empty (CASSANDRA-8374).
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