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Posted to jira@kafka.apache.org by "Antony Stubbs (JIRA)" <ji...@apache.org> on 2017/11/07 16:27:00 UTC
[jira] [Updated] (KAFKA-6182) Automatic co-partitioning of topics
via automatic intermediate topic with matching partitions
[ https://issues.apache.org/jira/browse/KAFKA-6182?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Antony Stubbs updated KAFKA-6182:
---------------------------------
Description:
Currently it is up to the user to ensure that two input topics for a join have the same number of partitions, and if they don't, manually create an intermediate topic, and send the stream #through that topic first, and then performing the join.
It would be great to have Kafka streams detect this and at least give the user the option to create an intermediate topic automatically with the same number of partitions as the topic being joined with.
See https://docs.confluent.io/current/streams/developer-guide.html#joins-require-co-partitioning-of-the-input-data
was:
Currently it is up to the user to ensure that two input topics for a join have the same number of partitions. It would be great have Kafka streams detect this automatically, or at least give the user and easy way, and create an intermediate topic with the same number of partitions as the topic being joins with.
See https://docs.confluent.io/current/streams/developer-guide.html#joins-require-co-partitioning-of-the-input-data
> Automatic co-partitioning of topics via automatic intermediate topic with matching partitions
> ---------------------------------------------------------------------------------------------
>
> Key: KAFKA-6182
> URL: https://issues.apache.org/jira/browse/KAFKA-6182
> Project: Kafka
> Issue Type: New Feature
> Components: streams
> Reporter: Antony Stubbs
>
> Currently it is up to the user to ensure that two input topics for a join have the same number of partitions, and if they don't, manually create an intermediate topic, and send the stream #through that topic first, and then performing the join.
> It would be great to have Kafka streams detect this and at least give the user the option to create an intermediate topic automatically with the same number of partitions as the topic being joined with.
> See https://docs.confluent.io/current/streams/developer-guide.html#joins-require-co-partitioning-of-the-input-data
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