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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-4441) RocksDB statebackend makes all operators appear stateful
Date Tue, 23 Aug 2016 16:54:20 GMT

    [ https://issues.apache.org/jira/browse/FLINK-4441?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15433189#comment-15433189
] 

ASF GitHub Bot commented on FLINK-4441:
---------------------------------------

Github user StephanEwen commented on the issue:

    https://github.com/apache/flink/pull/2399
  
    I think this makes sense.


> RocksDB statebackend makes all operators appear stateful
> --------------------------------------------------------
>
>                 Key: FLINK-4441
>                 URL: https://issues.apache.org/jira/browse/FLINK-4441
>             Project: Flink
>          Issue Type: Bug
>          Components: State Backends, Checkpointing, Streaming
>    Affects Versions: 1.1.1
>            Reporter: Gyula Fora
>            Assignee: Gyula Fora
>            Priority: Blocker
>
> When the state is empty the rocks db state backend returns an empty hashmap instead of
a null in the snapshotPartitionedState method.
> This means that these operators always appear stateful to the flink runtime which makes
it impossible for instance to remove a stateless operator using the savepoints.



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