dajac commented on code in PR #14885:
URL: https://github.com/apache/kafka/pull/14885#discussion_r1413633150
##########
core/src/main/scala/kafka/coordinator/group/CoordinatorPartitionWriter.scala:
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@@ -66,6 +65,10 @@ class CoordinatorPartitionWriter[T](
compressionType: CompressionType,
time: Time
) extends PartitionWriter[T] {
+ private val threadLocalBufferSupplier = ThreadLocal.withInitial(
+ () => new BufferSupplier.GrowableBufferSupplier()
+ )
Review Comment:
1. Yes.
2. Yes.
3. Yes.
4. Each thread must have its own buffer as a given buffer cannot be used by
two threads at the same time.
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