[jira] [Commented] (FLINK-1418) Make 'print()' output on the client command line, rather than on the task manager sysout

["Chesnay Schepler (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-1418?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14309085#comment-14309085 ] 

Chesnay Schepler commented on FLINK-1418:
-----------------------------------------

is this not doable without breaking programs?

I'm thinking of something like this:

whenever a print sink is created, an accumulator is created that stores the output. the name of the accumulator is stored in a list in the ExEnv.

within env.execute(), after everything else ran (as in, before we return the JobExecutionResult), iterate through the accumulator entries stored and print the outputs the contents.

> Make 'print()' output on the client command line, rather than on the task manager sysout
> ----------------------------------------------------------------------------------------
>
>                 Key: FLINK-1418
>                 URL: https://issues.apache.org/jira/browse/FLINK-1418
>             Project: Flink
>          Issue Type: Improvement
>          Components: Java API
>    Affects Versions: 0.9
>            Reporter: Stephan Ewen
>
> Right now, the {{print()}} command prints inside the data sinks where the code runs. It should pull data back to the client and print it there.



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