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

["Flink Jira Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-21392?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Flink Jira Bot updated FLINK-21392:
-----------------------------------
    Labels: auto-deprioritized-major stale-minor  (was: auto-deprioritized-major)

I am the [Flink Jira Bot|https://github.com/apache/flink-jira-bot/] and I help the community manage its development. I see this issues has been marked as Minor but is unassigned and neither itself nor its Sub-Tasks have been updated for 180 days. I have gone ahead and marked it "stale-minor". If this ticket is still Minor, please either assign yourself or give an update. Afterwards, please remove the label or in 7 days the issue will be deprioritized.


> 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
>            Priority: Minor
>              Labels: auto-deprioritized-major, stale-minor
>
> 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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