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Posted to commits@samza.apache.org by "Jakob Homan (JIRA)" <ji...@apache.org> on 2014/04/29 23:59:16 UTC

[jira] [Created] (SAMZA-256) Provide in-memory data store implementation

Jakob Homan created SAMZA-256:
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             Summary: 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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