[GitHub] [kafka] dajac commented on a change in pull request #10326: Avoid newly replicating brokers in RackAwareReplicaSelector

[GitBox]

dajac commented on a change in pull request #10326:
URL: https://github.com/apache/kafka/pull/10326#discussion_r597662883



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File path: core/src/main/scala/kafka/server/ReplicaManager.scala
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@@ -1263,7 +1263,7 @@ class ReplicaManager(val config: KafkaConfig,
             .map(replica => new DefaultReplicaView(
               replicaEndpoints.getOrElse(replica.brokerId, Node.noNode()),
               replica.logEndOffset,
-              currentTimeMs - replica.lastCaughtUpTimeMs))
+              if (replica.lastCaughtUpTimeMs == 0) Long.MaxValue else 
currentTimeMs - replica.lastCaughtUpTimeMs))

Review comment:
       Did you consider filtering out replicas which never caught up? It feels 
a bit weird to do this here to filter them out later on in the 
`RackAwareReplicaSelector` anyway. Are there any other considerations?




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