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From "Bart Vercammen (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (KAFKA-5386) [Kafka Streams] - custom name for state-store change-log topic
Date Tue, 18 Jul 2017 12:02:00 GMT

    [ https://issues.apache.org/jira/browse/KAFKA-5386?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16091463#comment-16091463
] 

Bart Vercammen edited comment on KAFKA-5386 at 7/18/17 12:01 PM:
-----------------------------------------------------------------

Actually this is going to be a little harder than initially expected, as the KStream API can
create a bunch of _repartition_ topics under the hood, that I also wish to comply to a certain
known naming convention.

Basically what I'm trying to achieve is that every kafka-topic that is going to be created
is known up front, and that it complies to a certain naming strategy.  It would be nice if
this naming strategy could be configured somehow.

Any suggestions on this?



was (Author: cloutrix):
Actually this is going to be a little harder than initially expected, as the KStreams API
can create a bunch of _repartition_ topics under the hood, that I also wish to comply to a
certain known naming convention.

Basically what I'm trying to achieve is that every kafka-topic that is going to be created
is known up front, and that it complies to a certain naming strategy.  It would be nice if
this naming strategy could be configured somehow.

Any suggestions on this?


> [Kafka Streams] - custom name for state-store change-log topic
> --------------------------------------------------------------
>
>                 Key: KAFKA-5386
>                 URL: https://issues.apache.org/jira/browse/KAFKA-5386
>             Project: Kafka
>          Issue Type: Improvement
>          Components: streams
>    Affects Versions: 0.10.2.1
>            Reporter: Bart Vercammen
>
> Currently, when working with Kafka backed state stores in Kafka Streams, these log compacted
topics are given a hardcoded name :  _my.app.id-storename-changelog_
> {noformat}    public static String storeChangelogTopic(String applicationId, String storeName)
{
>         return applicationId + "-" + storeName + STATE_CHANGELOG_TOPIC_SUFFIX;
>     }{noformat}
> It would be nice if somehow I would be able to override this functionality and provide
the topic-name myself when creating the state-store.
> Any comments?
> Would it be OK to submit a PR for this?



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