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https://issues.apache.org/jira/browse/KAFKA-8676?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Luying Liu updated KAFKA-8676:
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Priority: Critical (was: Major)
> Avoid Stopping Unnecessary Connectors and Tasks
> ------------------------------------------------
>
> Key: KAFKA-8676
> URL: https://issues.apache.org/jira/browse/KAFKA-8676
> Project: Kafka
> Issue Type: Improvement
> Components: KafkaConnect
> Affects Versions: 2.3.0
> Environment: centOS
> Reporter: Luying Liu
> Priority: Critical
> Labels: ready-to-commit
> Fix For: 2.3.0
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> When adding a new connector or changing a connector configuration, Kafka
> Connect 2.3.0 will stop all existing tasks and start all the tasks, including
> the new tasks and the existing ones. However, it is not necessary at all.
> Only the new connector and tasks need to be started. As the rebalancing can
> be applied for both running and suspended tasks.The following patch will fix
> this problem and starts only the new tasks and connectors.
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