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https://issues.apache.org/jira/browse/KAFKA-7080?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16651008#comment-16651008
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ASF GitHub Bot commented on KAFKA-7080:
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mjsax opened a new pull request #5804: KAFKA-7080 and KAFKA-7222: Cleanup
overlapping KIP changes
URL: https://github.com/apache/kafka/pull/5804
- KIP-319 and KIP-328 overlap and we can remove non-released deprecates
methods
- add upgrade docs for KIP-319
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> WindowStoreBuilder incorrectly initializes CachingWindowStore
> -------------------------------------------------------------
>
> Key: KAFKA-7080
> URL: https://issues.apache.org/jira/browse/KAFKA-7080
> Project: Kafka
> Issue Type: Bug
> Components: streams
> Affects Versions: 1.0.0, 1.0.1, 1.1.0, 2.0.0
> Reporter: John Roesler
> Assignee: John Roesler
> Priority: Major
> Fix For: 2.1.0
>
>
> When caching is enabled on the WindowStoreBuilder, it creates a
> CachingWindowStore. However, it incorrectly passes storeSupplier.segments()
> (the number of segments) to the segmentInterval argument.
>
> The impact is low, since any valid number of segments is also a valid segment
> size, but it likely results in much smaller segments than intended. For
> example, the segments may be sized 3ms instead of 60,000ms.
>
> Ideally the WindowBytesStoreSupplier interface would allow suppliers to
> advertise their segment size instead of segment count. I plan to create a KIP
> to propose this.
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