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Xintong Song updated FLINK-28538: --------------------------------- Fix Version/s: 1.18.0 (was: 1.17.0) > Eagerly emit a watermark the first time we exceed Long.MIN_VALUE > ---------------------------------------------------------------- > > Key: FLINK-28538 > URL: https://issues.apache.org/jira/browse/FLINK-28538 > Project: Flink > Issue Type: Improvement > Components: API / DataStream > Reporter: Chesnay Schepler > Priority: Major > Fix For: 1.18.0 > > > The built-in watermark generators are set up to start with a Long.MIN_VALUE > watermark, that is updated on each event and periodically emitted later on. > As a result, before the first periodic emission is triggered (shortly after > job (re)start) no element is ever considered late. > We should be able to remedy that by emitting a watermark on the first event. -- This message was sent by Atlassian Jira (v8.20.10#820010)