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https://issues.apache.org/jira/browse/KAFKA-3311?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15174546#comment-15174546
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ASF GitHub Bot commented on KAFKA-3311:
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GitHub user guozhangwang opened a pull request:
https://github.com/apache/kafka/pull/990
KAFKA-3311: Prepare internal source topics before calling partition grouper
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/guozhangwang/kafka K3311
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/kafka/pull/990.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #990
----
commit b4c45b3d43cb0bdeb144e60c42b3e2d88afbe4f9
Author: Guozhang Wang <[email protected]>
Date: 2016-03-01T22:39:01Z
KAFKA-3311 v1
----
> 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
>
> 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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