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https://issues.apache.org/jira/browse/BEAM-1119?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Manu Zhang updated BEAM-1119:
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Summary: Add a trigger that fires when the watermark passes timestamp
(was: Add a trigger that fires in the middle of window)
> Add a trigger that fires when the watermark passes timestamp
> ------------------------------------------------------------
>
> Key: BEAM-1119
> URL: https://issues.apache.org/jira/browse/BEAM-1119
> Project: Beam
> Issue Type: Improvement
> Reporter: Manu Zhang
>
> For a pane with elements and timestamps {{[(a, 1), (b, 4), (c, 5)]}},
> * "a" would be emitted if watermark passes 1
> * "a" and "b" would be emitted if watermark passes 4
> * all the elements would be emitted if watermark passes 5 or the end of the
> window
> * if the watermark jumps from 0 to 7 then all the elements would be emitted
> * if "d" comes in late with timestamp 3, then it will be emitted if it's
> within the allowed lateness.
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