soarez commented on code in PR #15836: URL: https://github.com/apache/kafka/pull/15836#discussion_r1586395026
########## core/src/main/scala/kafka/server/BrokerServer.scala: ########## @@ -389,9 +389,17 @@ class BrokerServer( authorizer = config.createNewAuthorizer() authorizer.foreach(_.configure(config.originals)) - val fetchManager = new FetchManager(Time.SYSTEM, - new FetchSessionCache(config.maxIncrementalFetchSessionCacheSlots, - KafkaServer.MIN_INCREMENTAL_FETCH_SESSION_EVICTION_MS)) + // The FetchSessionCache is divided into config.numIoThreads shards, each responsible + // for sessionIds falling in [Max(1, shardNum * sessionIdRange), (shardNum + 1) * sessionIdRange) + val sessionIdRange = Int.MaxValue / config.numIoThreads Review Comment: Since the number of shards need not depend on the thread pool size, I agree it may be less confusing to keep `config.numIoThreads` out of this. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: jira-unsubscr...@kafka.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org