[GitHub] [kafka] jolshan commented on a diff in pull request #13391: KAFKA-14561: Improve transactions experience for older clients by ensuring ongoing transaction

[via GitHub]

jolshan commented on code in PR #13391:
URL: https://github.com/apache/kafka/pull/13391#discussion_r1162109668


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core/src/main/scala/kafka/network/RequestChannel.scala:
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@@ -354,6 +361,7 @@ class RequestChannel(val queueSize: Int,
   private val processors = new ConcurrentHashMap[Int, Processor]()
   val requestQueueSizeMetricName = 
metricNamePrefix.concat(RequestQueueSizeMetric)
   val responseQueueSizeMetricName = 
metricNamePrefix.concat(ResponseQueueSizeMetric)
+  private val callbackQueue = new ArrayBlockingQueue[BaseRequest](queueSize)

Review Comment:
   Let's do in a separate PR.



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