[PR] KAFKA-8504: Add warning about grace period required for suppress() with untilWindowCloses [kafka]

["emmaeng700 (via GitHub)" <gi...@apache.org>]

emmaeng700 opened a new pull request, #21546:
URL: https://github.com/apache/kafka/pull/21546

   KAFKA-8504
   
   Added a warning in the Window Final Results section of the Streams DSL 
   docs explaining that suppress(Suppressed.untilWindowCloses()) requires 
   an explicit grace period to emit results.
   
   Without this, users using the deprecated TimeWindows.of(Duration) API 
   get a default grace of ~24 hours and see no output from suppress().
   
   Added guidance to use TimeWindows.ofSizeAndGrace() or 
   TimeWindows.ofSizeWithNoGrace() explicitly


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Re: [PR] KAFKA-8504: Add warning about grace period required for suppress() with untilWindowCloses [kafka]

["mjsax (via GitHub)" <gi...@apache.org>]

mjsax commented on PR #21546:
URL: https://github.com/apache/kafka/pull/21546#issuecomment-3961642332

   Thanks for the PR, but I think it's not needed any longer? With 3.0.0 release, we fixed this issue via https://issues.apache.org/jira/browse/KAFKA-8613
   
   Grace period does no longer have a default value (of 24h), and it's set explicitly by the user now; the old API was removed with 4.0.0 release: https://issues.apache.org/jira/browse/KAFKA-16332
   
   I think we can close the Jira ticket and PR. Please let me know what you think.


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