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https://issues.apache.org/jira/browse/KAFKA-19995?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nandini Singhal updated KAFKA-19995:
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    Description: When tiered storage segment copies are failing with 
CustomMetadataSizeLimitExceededException, InterruptedException, 
RetriableException or any outer-level exception, the RemoteCopyLagBytes and 
RemoteCopyLagSegments metrics are not emitted. This makes it impossible to 
detect growing lag during copy failures.  (was: When tiered storage segment 
copies are failing, the RemoteCopyLagBytes and RemoteCopyLagSegments metrics 
are not emitted or remain at 0/stale values. This makes it impossible to detect 
growing lag during copy failures.)

> Record copy lag metrics during failures
> ---------------------------------------
>
>                 Key: KAFKA-19995
>                 URL: https://issues.apache.org/jira/browse/KAFKA-19995
>             Project: Kafka
>          Issue Type: Bug
>          Components: Tiered-Storage
>            Reporter: Nandini Singhal
>            Assignee: Nandini Singhal
>            Priority: Major
>
> When tiered storage segment copies are failing with 
> CustomMetadataSizeLimitExceededException, InterruptedException, 
> RetriableException or any outer-level exception, the RemoteCopyLagBytes and 
> RemoteCopyLagSegments metrics are not emitted. This makes it impossible to 
> detect growing lag during copy failures.



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