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https://issues.apache.org/jira/browse/KAFKA-3785?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15313461#comment-15313461
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Greg Fodor commented on KAFKA-3785:
-----------------------------------
https://github.com/apache/kafka/pull/1464
> Fetcher spending unnecessary time during metrics recording
> ----------------------------------------------------------
>
> Key: KAFKA-3785
> URL: https://issues.apache.org/jira/browse/KAFKA-3785
> Project: Kafka
> Issue Type: Improvement
> Components: consumer
> Reporter: Greg Fodor
>
> Profiling a Kafka Streams job revealed some hotspots in the Fetcher during
> metrics flushing. Previous discussion here:
> https://issues.apache.org/jira/browse/KAFKA-3769
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