[GitHub] [kafka] joel-hamill commented on a diff in pull request #12153: MINOR: Clarify impact of num.replica.fetchers

[GitBox <gi...@apache.org>]

joel-hamill commented on code in PR #12153:
URL: https://github.com/apache/kafka/pull/12153#discussion_r872429806


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core/src/main/scala/kafka/server/KafkaConfig.scala:
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@@ -894,7 +894,7 @@ object KafkaConfig {
     "record batch size accepted by the broker is defined via <code>message.max.bytes</code> (broker config) or " +
     "<code>max.message.bytes</code> (topic config)."
   val NumReplicaFetchersDoc = "Number of fetcher threads used to replicate messages from a source broker. " +
-  "Increasing this value can increase the degree of I/O parallelism in the follower broker."
+  "Increasing this value can increase the degree of I/O parallelism in the follower and leader broker at the cost of higher CPU utilization."

Review Comment:
   okay i have updated based on the feedback below from @hachikuji 



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