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Posted to jira@kafka.apache.org by "Boyang Chen (Jira)" <ji...@apache.org> on 2020/06/04 19:56:00 UTC

[jira] [Assigned] (KAFKA-9377) Refactor StreamsPartitionAssignor Repartition Count logic

     [ https://issues.apache.org/jira/browse/KAFKA-9377?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Boyang Chen reassigned KAFKA-9377:
----------------------------------

    Assignee: feyman  (was: Boyang Chen)

> Refactor StreamsPartitionAssignor Repartition Count logic
> ---------------------------------------------------------
>
>                 Key: KAFKA-9377
>                 URL: https://issues.apache.org/jira/browse/KAFKA-9377
>             Project: Kafka
>          Issue Type: Improvement
>          Components: streams
>            Reporter: Boyang Chen
>            Assignee: feyman
>            Priority: Major
>
> The current repartition count uses a big while loop to randomly initialize each repartition topic counts, which is error-prone and hard to maintain. A more intuitive and robust solution would be doing a DFS search from bottom-up, where we initialize all the sink nodes repartition topic counts by making sure all their parents are initialized.



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