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https://issues.apache.org/jira/browse/FLINK-1038?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14077678#comment-14077678
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Stephan Ewen commented on FLINK-1038:
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That would be very nice!
> 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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