terrytlu created KAFKA-19470:
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Summary: Avoid creating loggers repeatedly to affect the
performance of request processing
Key: KAFKA-19470
URL: https://issues.apache.org/jira/browse/KAFKA-19470
Project: Kafka
Issue Type: Improvement
Components: core
Affects Versions: 2.8.2
Reporter: terrytlu
Attachments: image-2025-07-04-19-05-51-900.png
We see that the broker has a performance bottleneck when processing requests.
The CPU profiler is as follows:
!image-2025-07-04-19-05-51-900.png|width=1734,height=796!
seen in KAFKA-15141, the corresponding classes
IncrementalFetchContext/DelayedProduce/SessionlessFetchContext have been
processed, but I think a better approach should be to optimize the trait
Logging, we can introduce a static Map object to cache the duplicate loggers
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