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From "Stephan Ewen (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (FLINK-2644) State partitioning does not respect the different partitioning of multiple inputs
Date Wed, 30 Nov 2016 16:55:58 GMT

     [ https://issues.apache.org/jira/browse/FLINK-2644?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Stephan Ewen resolved FLINK-2644.
---------------------------------
       Resolution: Fixed
    Fix Version/s: 1.0.1

Fixed a few versions back...

> State partitioning does not respect the different partitioning of multiple inputs
> ---------------------------------------------------------------------------------
>
>                 Key: FLINK-2644
>                 URL: https://issues.apache.org/jira/browse/FLINK-2644
>             Project: Flink
>          Issue Type: Bug
>          Components: Streaming
>            Reporter: Gyula Fora
>             Fix For: 1.0.1
>
>
> Currently state partitioning is only available for one-input stream operators and even
for those, the partitioning will only depend on the first input.
> This happens because the keyselector used to extract the partitioning key from each element
is used from the first input stream. We need to make sure that for each input stream the corresponding
key selector is used.
> To do this, ctx.nextRecord(record), should be extended by adding a parameter denoting
the index of the input channel which can be used by the partitioner to select the appropriate
key selector.
> The same mechanics can be extended to allow state partitioning for TwoInput stream operators
as well.



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