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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-2324) Rework partitioned state storage
Date Tue, 28 Jul 2015 13:25:04 GMT

    [ https://issues.apache.org/jira/browse/FLINK-2324?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14644368#comment-14644368
] 

ASF GitHub Bot commented on FLINK-2324:
---------------------------------------

Github user gyfora commented on the pull request:

    https://github.com/apache/flink/pull/937#issuecomment-125604960
  
    I am adding an IT case to this PR that tests partitioned states independently.


> Rework partitioned state storage
> --------------------------------
>
>                 Key: FLINK-2324
>                 URL: https://issues.apache.org/jira/browse/FLINK-2324
>             Project: Flink
>          Issue Type: Improvement
>            Reporter: Gyula Fora
>            Assignee: Gyula Fora
>
> Partitioned states are currently stored per-key in statehandles. This is alright for
in-memory storage but is very inefficient for HDFS. 
> The logic behind the current mechanism is that this approach provides a way to repartition
a state without fetching the data from the external storage and only manipulating handles.
> We should come up with a solution that can achieve both.



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