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Posted to dev@flink.apache.org by "Timo Walther (Jira)" <ji...@apache.org> on 2021/02/17 14:39:00 UTC

[jira] [Created] (FLINK-21392) Support to block in connected streams

Timo Walther created FLINK-21392:
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             Summary: Support to block in connected streams
                 Key: FLINK-21392
                 URL: https://issues.apache.org/jira/browse/FLINK-21392
             Project: Flink
          Issue Type: New Feature
          Components: API / DataStream
            Reporter: Timo Walther


In many scenarios that involve control streams when using connected streams, users would like to wait until stream A is "ready" before processing the stream B.

Internally we already provide input selectable semantics but with problems around checkpointing. Once those problems are solved, we should expose this functionality in the main API.



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