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https://issues.apache.org/jira/browse/KAFKA-3595?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on KAFKA-3595 started by Damian Guy.
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> Add capability to specify replication compact option for stream store
> ---------------------------------------------------------------------
>
> Key: KAFKA-3595
> URL: https://issues.apache.org/jira/browse/KAFKA-3595
> Project: Kafka
> Issue Type: Improvement
> Components: streams
> Affects Versions: 0.10.1.0
> Reporter: Henry Cai
> Assignee: Damian Guy
> Priority: Minor
> Labels: user-experience
> Fix For: 0.10.1.0
>
>
> Currently state store replication always go through a compact kafka topic.
> For some state stores, e.g. JoinWindow, there are no duplicates in the store,
> there is not much benefit using a compacted topic.
> The problem of using compacted topic is the records can stay in kafka broker
> forever. In my use case, my key is ad_id, it's incrementing all the time, not
> bounded, I am worried the disk space on broker for that topic will go forever.
> I think we either need the capability to purge the compacted records on
> broker, or allow us to specify different compact option for state store
> replication.
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