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https://issues.apache.org/jira/browse/KAFKA-3311?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Guozhang Wang resolved KAFKA-3311.
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Resolution: Fixed
Fix Version/s: 0.10.0.0
Issue resolved by pull request 990
[https://github.com/apache/kafka/pull/990]
> Move co-partition checking to PartitionAssignor and auto-create internal
> topics
> -------------------------------------------------------------------------------
>
> Key: KAFKA-3311
> URL: https://issues.apache.org/jira/browse/KAFKA-3311
> Project: Kafka
> Issue Type: Sub-task
> Reporter: Guozhang Wang
> Assignee: Guozhang Wang
> Fix For: 0.10.0.0
>
>
> Right now the internal topics management (i.e. re-partition topics for now)
> is buggy such that it was not auto-created by the assignor. We need to fix
> this by:
> 1) moving co-paritition info into the assignor.
> 2) let assignor create the internal topics with the right number of
> partitions as: if co-partitioned, equal to the other partitions; otherwise if
> there are other source topics in the sub-topology, equal to the maximum of
> other partitions; otherwise equal to the number of tasks writing to this
> topic.
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