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https://issues.apache.org/jira/browse/KAFKA-20546?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chia-Ping Tsai resolved KAFKA-20546.
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Fix Version/s: 4.4.0
Resolution: Fixed
> Lazily call generateNewClientId when handling GetTelemetrySubscriptionsRequest
> ------------------------------------------------------------------------------
>
> Key: KAFKA-20546
> URL: https://issues.apache.org/jira/browse/KAFKA-20546
> Project: Kafka
> Issue Type: Improvement
> Reporter: Chia-Ping Tsai
> Assignee: Bolin Lin
> Priority: Minor
> Fix For: 4.4.0
>
>
> KIP-1313 will let GetTelemetrySubscriptionsRequest carry the client instance
> id, so it is time to apply the lazy policy
> https://cwiki.apache.org/confluence/x/Jpc8G
> related code:
> https://github.com/apache/kafka/blob/trunk/server/src/main/java/org/apache/kafka/server/ClientMetricsManager.java#L165
> Uuid clientInstanceId =
> Optional.ofNullable(request.data().clientInstanceId())
> .filter(id -> !id.equals(Uuid.ZERO_UUID))
> .orElse(generateNewClientId());
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