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Posted to github@beam.apache.org by GitBox <gi...@apache.org> on 2022/06/03 16:27:39 UTC

[GitHub] [beam] kennknowles opened a new issue, #18152: State API should allow state to be managed in different windows

kennknowles opened a new issue, #18152:
URL: https://github.com/apache/beam/issues/18152

   For example, even if the elements are being processed in fixed windows of an hour, it may be desirable for the state to "roll over" between windows (or be available to all windows).
   
   It will also be necessary to figure out when this state should be deleted (TTL? maximum retention?)
   
   Another problem is how to deal with out of order data. If data comes in from the 10:00 AM window, should its state changes be visible to the data in the 9:00 AM window? 
   
   Imported from Jira [BEAM-1261](https://issues.apache.org/jira/browse/BEAM-1261). Original Jira may contain additional context.
   Reported by: bchambers.


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