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https://issues.apache.org/jira/browse/KAFKA-10521?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Gustafson resolved KAFKA-10521.
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Fix Version/s: 2.7.0
Resolution: Fixed
> Remove ZK watch for completing partition reassignment
> -----------------------------------------------------
>
> Key: KAFKA-10521
> URL: https://issues.apache.org/jira/browse/KAFKA-10521
> Project: Kafka
> Issue Type: Improvement
> Components: controller
> Affects Versions: 2.7.0
> Reporter: David Arthur
> Assignee: Jason Gustafson
> Priority: Minor
> Fix For: 2.7.0
>
>
> This is a follow-on from KAFKA-8836.
> Currently we have a ZK watch on the partition "/state" znode which fires a
> handler in the controller to check if a reassignment can be completed due to
> replicas catching up with the leader. This is located in
> KafkaController#processPartitionReassignmentIsrChange
> Following the change to updating ISR with the new AlterIsr RPC, we would like
> to remove this ZK watch and replace it with a direct call when writing out a
> new ISR in the controller.
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