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Posted to jira@kafka.apache.org by "Ron Dagostino (Jira)" <ji...@apache.org> on 2021/06/04 15:21:00 UTC

[jira] [Updated] (KAFKA-12897) KRaft Controller cannot create topic with more replicas than racks

     [ https://issues.apache.org/jira/browse/KAFKA-12897?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ron Dagostino updated KAFKA-12897:
----------------------------------
    Summary: KRaft Controller cannot create topic with more replicas than racks  (was: KRaft Controller cannot create topic with more partitions than racks)

> KRaft Controller cannot create topic with more replicas than racks
> ------------------------------------------------------------------
>
>                 Key: KAFKA-12897
>                 URL: https://issues.apache.org/jira/browse/KAFKA-12897
>             Project: Kafka
>          Issue Type: Bug
>          Components: controller
>    Affects Versions: 3.0.0
>            Reporter: Ron Dagostino
>            Assignee: Ron Dagostino
>            Priority: Critical
>             Fix For: 3.0.0
>
>
> https://github.com/apache/kafka/pull/10494 introduced a bug in the KRaft controller where the controller will loop forever in `StripedReplicaPlacer` trying to identify the racks on which to place partitions if the number of requested partitions in a CREATE_TOPICS request exceeds the number of effective racks ("effective" meaning a single rack if none are specified).



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