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David Jacot bf9912a1eb KAFKA-18046; High CPU usage when using Log4j2 (#19138) 
This patch is a first step towards resolving KAFKA-18046. Apache Kafka
4.0 ships with log4j2 so the issue raised in the ticket causing high CPU
usage on the fetch path due to LoggerFactory.getLogger() being called on
the handling of all fetch responses is not good. Hence, I propose to fix
that one by caching the Logger used by the `CompletedFetch` class.

Reviewers: Chia-Ping Tsai <chia7712@gmail.com>, Ismael Juma <ismael@juma.me.uk>
 		2025-03-07 09:08:04 +01:00
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src KAFKA-18046; High CPU usage when using Log4j2 (#19138) 2025-03-07 09:08:04 +01:00
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