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From "Stephan Ewen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-820) Support for unconnected data flows
Date Fri, 29 Aug 2014 17:15:54 GMT

    [ https://issues.apache.org/jira/browse/FLINK-820?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14115507#comment-14115507
] 

Stephan Ewen commented on FLINK-820:
------------------------------------

This will be solved as a side effect of teh scheduler redesign as defined in [FLINK-1030].

> Support for unconnected data flows
> ----------------------------------
>
>                 Key: FLINK-820
>                 URL: https://issues.apache.org/jira/browse/FLINK-820
>             Project: Flink
>          Issue Type: Improvement
>            Reporter: GitHub Import
>              Labels: github-import
>             Fix For: pre-apache
>
>
> Currently the compiler fails when given a plan with separate data flows.
> ```java
> throw new CompilerException("The given Pact program contains multiple disconnected data
flows.");
> ```
> However, I do not see a good conceptual reason to not support such data flows. Are there
any technical issues?
> To elaborate a bit on the issue: I have a higher level operator that may or may not produce
separated data flows. In a current workaround I have to pipe the union of all data flows to
a dummy sink to avoid such an exception.
> ---------------- Imported from GitHub ----------------
> Url: https://github.com/stratosphere/stratosphere/issues/820
> Created by: [AHeise|https://github.com/AHeise]
> Labels: 
> Created at: Thu May 15 16:51:46 CEST 2014
> State: open



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