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From "Matthias J. Sax (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (KAFKA-6535) Set default retention ms for Streams repartition topics to infinity
Date Tue, 06 Feb 2018 22:00:00 GMT

    [ https://issues.apache.org/jira/browse/KAFKA-6535?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16354610#comment-16354610
] 

Matthias J. Sax commented on KAFKA-6535:
----------------------------------------

I don't think we should do this by default. I am just wondering, if we should allow users
to "tell" Kafka Streams to purge data ?

> Set default retention ms for Streams repartition topics to infinity
> -------------------------------------------------------------------
>
>                 Key: KAFKA-6535
>                 URL: https://issues.apache.org/jira/browse/KAFKA-6535
>             Project: Kafka
>          Issue Type: Improvement
>          Components: streams
>            Reporter: Guozhang Wang
>            Priority: Major
>              Labels: needs-kip, newbie
>
> After KIP-220 / KIP-204, repartition topics in Streams are transient, so it is better
to set its default retention to infinity to allow any records be pushed to it with old timestamps
(think: bootstrapping, re-processing) and just rely on the purging API to keeping its storage
small.



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