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Posted to dev@kafka.apache.org by "Eno Thereska (JIRA)" <ji...@apache.org> on 2017/02/03 10:19:51 UTC

[jira] [Created] (KAFKA-4730) Streams does not have an in-memory windowed store

Eno Thereska created KAFKA-4730:
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             Summary: 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
             Fix For: 0.10.3.0


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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