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Posted to issues@flink.apache.org by "Mason Chen (Jira)" <ji...@apache.org> on 2021/10/29 03:52:00 UTC

[jira] [Issue Comment Deleted] (FLINK-24574) Allow metrics to be removed in UDFs

     [ https://issues.apache.org/jira/browse/FLINK-24574?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mason Chen updated FLINK-24574:
-------------------------------
    Comment: was deleted

(was: This would enable operators to properly clean up metrics. Here is an example of attempt that would benefit from this: https://github.com/apache/flink/blob/fd01adb87c54abe436ac04d4059a71784762cabd/flink-connectors/flink-connector-kafka/src/main/java/org/apache/flink/connector/kafka/source/metrics/KafkaSourceReaderMetrics.java#L237)

> Allow metrics to be removed in UDFs
> -----------------------------------
>
>                 Key: FLINK-24574
>                 URL: https://issues.apache.org/jira/browse/FLINK-24574
>             Project: Flink
>          Issue Type: Improvement
>          Components: Runtime / Metrics
>    Affects Versions: 1.15.0
>            Reporter: Arvid Heise
>            Priority: Major
>
> A user asked 
> {noformat}
> Suppose I have a short lived process within a UDF that defines metrics. After the process has completed, the underlying resources should be cleaned up. Is there an API to remove/unregister metrics?{noformat}
> There are probably more related use cases, where a metric is only temporarily meaningful.



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