Aljoscha Krettek created FLINK-19508:
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Summary: Add collect() operation on DataStream
Key: FLINK-19508
URL: https://issues.apache.org/jira/browse/FLINK-19508
Project: Flink
Issue Type: Improvement
Components: API / DataStream
Reporter: Aljoscha Krettek
With the recent changes/additions to {{DataStreamUtils.collect()}} that make it
more robust by using the regular REST client to fetch results from operators it
might make sense to add a {{collect()}} operation right on {{DataStream}}.
This operation is still not meant for big data volumes but I think it can be
useful for debugging and fetching small amounts of messages to the client. When
we do this, we can also think about changing {{print()}} to print on the client
instead of to the {{TaskManager}} stdout. I think the current behaviour of this
operation is mostly confusing for users.
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