Matthias J. Sax created KAFKA-7699:
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Summary: Improve wall-clock time punctuations
Key: KAFKA-7699
URL: https://issues.apache.org/jira/browse/KAFKA-7699
Project: Kafka
Issue Type: New Feature
Components: streams
Reporter: Matthias J. Sax
Currently, wall-clock time punctuation allow to schedule periodic call backs
based on wall-clock time progress. The punctuation time starts, when the
punctuation is scheduled, thus, it's non-deterministic what is desired for many
use cases (I want a call-back in 5 minutes from "now").
It would be a nice improvement, to allow users to "anchor" wall-clock
punctation, too, similar to a cron job: Thus, a punctuation would be triggered
at "fixed" times like the beginning of the next hour, independent when the
punctuation was registered.
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