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https://issues.apache.org/jira/browse/FLINK-28538?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Weijie Guo updated FLINK-28538:
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Fix Version/s: 2.1.0
(was: 2.0.0)
> 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
> Affects Versions: 2.1.0
> Reporter: Chesnay Schepler
> Priority: Major
> Fix For: 2.1.0
>
>
> 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.
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