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From Márton Balassi (JIRA) <j...@apache.org>
Subject [jira] [Closed] (FLINK-2283) Make grouped reduce/fold/aggregations stateful using Partitioned state
Date Tue, 06 Oct 2015 21:05:27 GMT

     [ https://issues.apache.org/jira/browse/FLINK-2283?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Márton Balassi closed FLINK-2283.
---------------------------------
       Resolution: Fixed
    Fix Version/s: 0.10

Implemented via 225704b, a76d963 and c414ea9.

> Make grouped reduce/fold/aggregations stateful using Partitioned state
> ----------------------------------------------------------------------
>
>                 Key: FLINK-2283
>                 URL: https://issues.apache.org/jira/browse/FLINK-2283
>             Project: Flink
>          Issue Type: Improvement
>          Components: Streaming
>    Affects Versions: 0.10
>            Reporter: Gyula Fora
>            Assignee: Márton Balassi
>            Priority: Minor
>             Fix For: 0.10
>
>
> Currently the inner state of the grouped aggregations are not persisted as an operator
state. 
> These operators should be reimplemented to use the newly introduced partitioned state
abstractions which will make them fault tolerant and scalable for the future.
> A suggested implementation would be to use a stateful mapper to implement the desired
behaviour.



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