[GitHub] [kafka] rondagostino commented on a change in pull request #10003: MINOR: Add HostedPartition.Deferred state in ReplicaManager

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rondagostino commented on a change in pull request #10003:
URL: https://github.com/apache/kafka/pull/10003#discussion_r568716273



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File path: core/src/main/scala/kafka/server/ReplicaManager.scala
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@@ -316,7 +324,7 @@ class ReplicaManager(val config: KafkaConfig,
   private def maybeRemoveTopicMetrics(topic: String): Unit = {
     val topicHasOnlinePartition = allPartitions.values.exists {
       case HostedPartition.Online(partition) => topic == partition.topic
-      case HostedPartition.None | HostedPartition.Offline => false
+      case _ => false

Review comment:
       > a sealed trait with def partition: Partition
   
   I like this solution better than making everything a case class with an 
`Option[Partition]`.  Will push a commit with it shortly.
   




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