artemlivshits commented on code in PR #14629:
URL: https://github.com/apache/kafka/pull/14629#discussion_r1383785302
##########
core/src/main/scala/kafka/server/ReplicaManager.scala:
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@@ -864,6 +778,111 @@ class ReplicaManager(val config: KafkaConfig,
}
}
+ /*
+ * Note: This method can be used as a callback in a different request
thread. Ensure that correct RequestLocal
+ * is passed when executing this method. Accessing non-thread-safe data
structures should be avoided if possible.
+ */
+ private def appendEntries(allEntries: Map[TopicPartition, MemoryRecords],
+ internalTopicsAllowed: Boolean,
+ origin: AppendOrigin,
+ requiredAcks: Short,
+ verificationGuards: Map[TopicPartition,
VerificationGuard],
Review Comment:
The serialization can be done asynchronously, without holding locks and
relying on synchronous execution. It looks like it's should be that hard to
support that in the new group coordinator
https://github.com/apache/kafka/pull/14705.
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