flink-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Jonas <jo...@huntun.de>
Subject Re: Expected behaviour of windows
Date Mon, 23 Jan 2017 09:57:08 GMT
The documentation says

https://flink.apache.org/news/2015/12/04/Introducing-windows.html wrote
> On each event, a trigger can decide to fire (i.e., evaluate), purge
> (remove the window and discard its content), or fire and then purge the
> window. A trigger that just fires evaluates the window and keeps it as it
> is, i.e., all elements remain in the window and are evaluated again when
> the triggers fires the next time.

So you can choose between *Fire*, *Purge* and *Fire&Purge*. Seems like
selected *Fire* but meant to choose *Fire&Purge*.

>From what it seems you want a PurgingTrigger. You also didn't state what
version of Flink you are using :)

-- Jonas

View this message in context: http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Expected-behaviour-of-windows-tp11200p11205.html
Sent from the Apache Flink User Mailing List archive. mailing list archive at Nabble.com.

View raw message