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https://issues.apache.org/jira/browse/SAMZA-256?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13988704#comment-13988704
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David Chen commented on SAMZA-256:
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Hi Jakob,

Have you started working on this? If not, would it be fine if I pick this up?

Thanks,
David

> Provide in-memory data store implementation
> -------------------------------------------
>
>                 Key: SAMZA-256
>                 URL: https://issues.apache.org/jira/browse/SAMZA-256
>             Project: Samza
>          Issue Type: Improvement
>          Components: kv
>    Affects Versions: 0.6.0
>            Reporter: Jakob Homan
>            Assignee: Jakob Homan
>             Fix For: 0.8.0
>
>
> The sole current kv store, LevelDbKeyValueStore, works well when the amount 
> of data to be stored is prohibitively large to keep it all in memory.  
> However, in cases where the state is small enough to comfortably fit in 
> whatever memory is available, it would be better to provide an in-memory 
> implementation.  This can be backed by either a native Java class, or perhaps 
> a Guava class, if that is found to scale better (or, of course, the backing 
> implementation could be configurable).



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