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From "Fabian Tschirschnitz (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-1038) Adding a collection output format
Date Thu, 14 Aug 2014 14:28:12 GMT

    [ https://issues.apache.org/jira/browse/FLINK-1038?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14097007#comment-14097007
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Fabian Tschirschnitz commented on FLINK-1038:
---------------------------------------------

Hello, 

I created PullRequest https://github.com/apache/incubator-flink/pull/94 for this. An usage
example could look like the following: http://pastebin.com/PkcWQRkh.
Happy for feedback.

Cheers, Fabian Tschirschnitz (from HPI).



> Adding a collection output format
> ---------------------------------
>
>                 Key: FLINK-1038
>                 URL: https://issues.apache.org/jira/browse/FLINK-1038
>             Project: Flink
>          Issue Type: Improvement
>            Reporter: Sebastian Kruse
>            Priority: Minor
>
> Similar to the existing LocalCollectionOutputFormat or Spark's collect() method, it would
be nice to have a CollectionOutputFormat that also works when running jobs on a cluster. This
output format gathers all results of a sink from all TaskManagers in the JVM that submitted
the job plan and provides these as a collection, similar to accumulators. After all, this
can help to avoid the tedious task of going to HDFS and read and parse the single result files.
> PS. We have already created such an output format and can contribute it.



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