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Posted to issues@flink.apache.org by "Aljoscha Krettek (JIRA)" <ji...@apache.org> on 2016/08/16 20:16:20 UTC

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

     [ https://issues.apache.org/jira/browse/FLINK-4381?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aljoscha Krettek updated FLINK-4381:
------------------------------------
    Assignee: Stefan Richter

> 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
>            Assignee: Stefan Richter
>
> 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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