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Posted to issues@flink.apache.org by "Aljoscha Krettek (JIRA)" <ji...@apache.org> on 2016/08/11 14:03:20 UTC

[jira] [Created] (FLINK-4381) Refactor State to Prepare For Key-Group State Backends

Aljoscha Krettek created FLINK-4381:
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             Summary: Refactor State to Prepare For Key-Group State Backends
                 Key: FLINK-4381
                 URL: https://issues.apache.org/jira/browse/FLINK-4381
             Project: Flink
          Issue Type: Sub-task
          Components: Streaming
            Reporter: Aljoscha Krettek


In order to use the new {{KeyGroupAssigner}}/{{key group sharding}} the state backends need no be able to deal with key groups. For this, we first need to refactor the state abstractions. Specifically, this touches how key-grouped state should be stored and also how state is sent to the {{CheckpointCoordinator}} and how it is stored.



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