I could not find any indication about the time used for the commit interval on KTable. Is it Walk-Clock-Time or Stream Time , Producer Time ?
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If you refer to commit.interval.ms config, than the answer is wall-clock time.
Matthias J. Sax
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Thx yes that is what I was referring to – MaatDeamon Mar 31 '20 at 02:07
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Just a quick follow up on that. If the commit is wall-clock as you said, and the default of kafka stream, is stream time (default timestamp extractor), can't that cause a problem, in term of when to commit things ? Or is it that the fact that the commit is wall-clock it simply ignore the timestamp of the record, to decide when to commit ? – MaatDeamon Mar 31 '20 at 13:41
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Record timestamps are ignored. – Matthias J. Sax Mar 31 '20 at 15:35
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Thank you for the info – MaatDeamon Mar 31 '20 at 15:57