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https://issues.apache.org/jira/browse/KAFKA-9721?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chia-Ping Tsai resolved KAFKA-9721.
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Resolution: Won't Fix
ReassignPartitionsCommand does not guarantee to "complete" the replica move so
close this issue as "Won't Fix".
> ReassignPartitionsCommand#reassignPartitions doesn't wait for the completion
> of altering replica folder
> -------------------------------------------------------------------------------------------------------
>
> Key: KAFKA-9721
> URL: https://issues.apache.org/jira/browse/KAFKA-9721
> Project: Kafka
> Issue Type: Bug
> Reporter: Chia-Ping Tsai
> Assignee: Chia-Ping Tsai
> Priority: Major
>
> {code:scala}
> val replicasAssignedToFutureDir =
> mutable.Set.empty[TopicPartitionReplica]
> while (remainingTimeMs > 0 && replicasAssignedToFutureDir.size <
> proposedReplicaAssignment.size) {
> replicasAssignedToFutureDir ++=
> alterReplicaLogDirsIgnoreReplicaNotAvailable(
> proposedReplicaAssignment.filter { case (replica, _) =>
> !replicasAssignedToFutureDir.contains(replica) },
> adminClientOpt.get, remainingTimeMs)
> Thread.sleep(100)
> remainingTimeMs = startTimeMs + timeoutMs -
> System.currentTimeMillis()
> }
> {code}
> The response of altering replica folder is NOT the completed folder since the
> alter process executes on another thread to move the data from source to
> target. Hence, it should depend on the response of #describeLogDirs rather
> than #alterReplicaLogDirs.
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