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https://issues.apache.org/jira/browse/KAFKA-8963?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17047765#comment-17047765
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Lucas Bradstreet edited comment on KAFKA-8963 at 2/28/20 4:03 PM:
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A benchmark and some optimizations were added in "KAFKA-9039: Optimize
ReplicaFetcher fetch path" which will be included in 2.5. Further improvements
will be best solved by KAFKA-9048.
was (Author: lucasbradstreet):
A benchmark and some optimizations were added in "KAFKA-9039: Optimize
ReplicaFetcher fetch path" which will be included in 2.5. Further improvements
will require KAFKA-9048.
> Benchmark and optimize incremental fetch session handler
> --------------------------------------------------------
>
> Key: KAFKA-8963
> URL: https://issues.apache.org/jira/browse/KAFKA-8963
> Project: Kafka
> Issue Type: Task
> Reporter: Lucas Bradstreet
> Assignee: Lucas Bradstreet
> Priority: Major
> Fix For: 2.5.0
>
>
> The FetchSessionHandler is a cause of high CPU usage in the replica fetcher
> for brokers with high partition counts. A jmh benchmark should be added and
> the incremental fetch session handling should be measured and optimized.
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