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Posted to jira@kafka.apache.org by "Dongjin Lee (Jira)" <ji...@apache.org> on 2021/04/15 06:06:00 UTC

[jira] [Commented] (KAFKA-12669) Add deleteRange to WindowStore / KeyValueStore interfaces

    [ https://issues.apache.org/jira/browse/KAFKA-12669?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17321923#comment-17321923 ] 

Dongjin Lee commented on KAFKA-12669:
-------------------------------------

[~guozhang] You mean, like this one? https://github.com/dongjinleekr/kafka/blob/feature/KAFKA-12669/streams/src/main/java/org/apache/kafka/streams/state/KeyValueStore.java

If it is okay, may I take it? I have a custom implementation of `KeyValueStore#deleteRange(K, K)`. I think I can make use of it for this issue.

> Add deleteRange to WindowStore / KeyValueStore interfaces
> ---------------------------------------------------------
>
>                 Key: KAFKA-12669
>                 URL: https://issues.apache.org/jira/browse/KAFKA-12669
>             Project: Kafka
>          Issue Type: Improvement
>          Components: streams
>            Reporter: Guozhang Wang
>            Priority: Major
>              Labels: needs-kip
>
> We can consider adding such APIs where the underlying implementation classes have better optimizations than deleting the keys as get-and-delete one by one.



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