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https://issues.apache.org/jira/browse/KAFKA-19924?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shashank resolved KAFKA-19924.
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Resolution: Resolved
> Ensure deterministic task order by using TreeSet in TaskManager
> ---------------------------------------------------------------
>
> Key: KAFKA-19924
> URL: https://issues.apache.org/jira/browse/KAFKA-19924
> Project: Kafka
> Issue Type: Improvement
> Components: streams
> Reporter: Shashank
> Assignee: Shashank
> Priority: Blocker
> Fix For: 4.2.0
>
>
> Identified here -
> [https://github.com/apache/kafka/pull/20944#discussion_r2548625110]
>
> TaskManager's StateUpdater path uses HashSet for Task collections, causing
> non-deterministic processing order. Replace with TreeSet to ensure
> deterministic task ordering.
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