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Posted to issues@flink.apache.org by "Seth Wiesman (Jira)" <ji...@apache.org> on 2020/10/14 13:21:00 UTC
[jira] [Assigned] (FLINK-19508) Add collect() operation on
DataStream
[ https://issues.apache.org/jira/browse/FLINK-19508?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Seth Wiesman reassigned FLINK-19508:
------------------------------------
Assignee: Seth Wiesman
> 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
> Assignee: Seth Wiesman
> Priority: Major
>
> 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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