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https://issues.apache.org/jira/browse/KAFKA-7101?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Guozhang Wang resolved KAFKA-7101.
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Resolution: Fixed
Fix Version/s: 2.1.0
> Session Window store should set topic policy `compact,cleanup`
> --------------------------------------------------------------
>
> Key: KAFKA-7101
> URL: https://issues.apache.org/jira/browse/KAFKA-7101
> Project: Kafka
> Issue Type: Improvement
> Components: streams
> Affects Versions: 0.10.2.2, 2.0.0, 0.11.0.3, 1.0.2, 1.1.1
> Reporter: Matthias J. Sax
> Assignee: Guozhang Wang
> Priority: Major
> Fix For: 2.1.0
>
>
> With
> [KIP-71|https://cwiki.apache.org/confluence/display/KAFKA/KIP-71%3A+Enable+log+compaction+and+deletion+to+co-exist]
> (0.10.1.0) topic config `compact,delete` was introduce to apply to windowed
> store changelog topics in Kafka Streams. Later (0.10.2.0), session windows
> got added in
> [KIP-94|https://cwiki.apache.org/confluence/display/KAFKA/KIP-94+Session+Windows].
> However, session windows do not use `compact,delete` at the moment. This
> result is the same issue window stores face before KIP-71. Thus, we should
> enable `compact,delete` for session window changelog topics, too.
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