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https://issues.apache.org/jira/browse/KAFKA-3477?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15223553#comment-15223553
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ASF GitHub Bot commented on KAFKA-3477:
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GitHub user mjsax opened a pull request:
https://github.com/apache/kafka/pull/1180
[KAFKA-3477] [Kafka Streams] extended KStream/KTable API to specify c…
…ustom partitioner for sinks
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/mjsax/kafka kafka-3477-streamPartitioner-DSL
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/kafka/pull/1180.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 #1180
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commit 377dcd42c2a17a2c2b8e7f005021b6a6f702ccc2
Author: mjsax <matth...@confluent.io>
Date: 2016-04-03T23:26:47Z
[KAFKA-3477] [Kafka Streams] extended KStream/KTable API to specify custom
partitioner for sinks
----
> Add customizable StreamPartition into #to functions of Streams DSL
> ------------------------------------------------------------------
>
> Key: KAFKA-3477
> URL: https://issues.apache.org/jira/browse/KAFKA-3477
> Project: Kafka
> Issue Type: Sub-task
> Reporter: Guozhang Wang
> Assignee: Matthias J. Sax
> Labels: newbie
> Fix For: 0.10.0.1
>
>
> In the lower-level Processor API we allow users to pass in a customizable
> StreamPartitioner when creating a new sink processor node to the topology:
> {code}
> builder.addSink(String name, String topic, StreamPartitioner partitioner,
> String... parentNames));
> {code}
> This StreamPartitioner allows users to specify any partitioning schemes based
> on record values instead of using the default behavior of hashing on the
> message key; but it is not exposed in the higher-level Streams DSL.
> We can add this parameter to the Streams DSL as well:
> {code}
> KStream#to(String topic, StreamPartitioner partitioner);
> KTable#to(String topic, StreamPartitioner partitioner);
> {code}
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