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Posted to issues@flink.apache.org by "Aljoscha Krettek (JIRA)" <ji...@apache.org> on 2017/04/03 12:22:41 UTC

[jira] [Updated] (FLINK-2917) Make non-copying behaviour default for stream operator

     [ https://issues.apache.org/jira/browse/FLINK-2917?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aljoscha Krettek updated FLINK-2917:
------------------------------------
    Component/s:     (was: Streaming)
                 DataStream API

> Make non-copying behaviour default for stream operator
> ------------------------------------------------------
>
>                 Key: FLINK-2917
>                 URL: https://issues.apache.org/jira/browse/FLINK-2917
>             Project: Flink
>          Issue Type: Improvement
>          Components: DataStream API
>            Reporter: Gyula Fora
>
> Currently chained streaming operators copy their output before invoking the process method of the chained output task.
> The community has agreed that this might be too big of a price for the immutable semantics and the default behaviour should be changed to not copy.
> I suggest to have an api level switch for the Operators to enable copying. 



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