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From "Guozhang Wang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (KAFKA-4730) Streams does not have an in-memory windowed store
Date Tue, 14 Nov 2017 16:55:01 GMT

    [ https://issues.apache.org/jira/browse/KAFKA-4730?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16251719#comment-16251719
] 

Guozhang Wang commented on KAFKA-4730:
--------------------------------------

I do not think so. Plus we do not have an in-memory session store as well.

> Streams does not have an in-memory windowed store
> -------------------------------------------------
>
>                 Key: KAFKA-4730
>                 URL: https://issues.apache.org/jira/browse/KAFKA-4730
>             Project: Kafka
>          Issue Type: New Feature
>          Components: streams
>    Affects Versions: 0.10.2.0
>            Reporter: Eno Thereska
>            Assignee: Nikki Thean
>             Fix For: 1.1.0
>
>
> Streams has windowed persistent stores (e.g., see PersistentKeyValueFactory interface
with "windowed" method), however it does not allow for windowed in-memory stores (e.g., see
InMemoryKeyValueFactory interface). 
> In addition to the interface not allowing it, streams does not actually have an implementation
of an in-memory windowed store.
> The implications are that operations that require windowing cannot use in-memory stores.




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