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https://issues.apache.org/jira/browse/FLINK-4844?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15582777#comment-15582777
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ASF GitHub Bot commented on FLINK-4844:
---------------------------------------

Github user aljoscha commented on a diff in the pull request:

    https://github.com/apache/flink/pull/2648#discussion_r83673691
  
    --- Diff: 
flink-runtime/src/main/java/org/apache/flink/runtime/checkpoint/SubtaskState.java
 ---
    @@ -34,10 +37,14 @@
     
        private static final long serialVersionUID = -2394696997971923995L;
     
    -   private static final Logger LOG = 
LoggerFactory.getLogger(SubtaskState.class);
    -
    -   /** The state of the parallel operator */
    -   private final ChainedStateHandle<StreamStateHandle> chainedStateHandle;
    +   /**
    +    * The state of the parallel operator
    +    */
    +   private final ChainedStateHandle<StreamStateHandle> 
nonPartitionableOperatorState;
    --- End diff --
    
    I think these names don't match the names in the rest of the code base.


> Partitionable Raw Keyed/Operator State
> --------------------------------------
>
>                 Key: FLINK-4844
>                 URL: https://issues.apache.org/jira/browse/FLINK-4844
>             Project: Flink
>          Issue Type: New Feature
>            Reporter: Stefan Richter
>            Assignee: Stefan Richter
>
> Partitionable operator and keyed state are currently only available by using 
> backends. However, the serialization code for many operators is build around 
> reading/writing their state to a stream for checkpointing. We want to provide 
> partitionable states also through streams, so that migrating existing 
> operators becomes more easy.



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