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https://issues.apache.org/jira/browse/FLINK-3536?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aljoscha Krettek reassigned FLINK-3536:
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Assignee: Aljoscha Krettek
> Make clearer distinction between event time and processing time
> ---------------------------------------------------------------
>
> Key: FLINK-3536
> URL: https://issues.apache.org/jira/browse/FLINK-3536
> Project: Flink
> Issue Type: Improvement
> Components: DataStream API
> Reporter: Till Rohrmann
> Assignee: Aljoscha Krettek
> Priority: Minor
>
> If you define your own windows it is easy to mix up the time characteristic
> with the wrong set of predefined {{WindowAssigners}}. You cannot use
> processing time with a {{TumblingTimeWindows}} window assigner, for example.
> Neither from the name of {{TumblingTimeWindows}} nor from the JavaDocs it is
> clearly obvious that this {{WindowAssigner}} can only be used with event
> time. I think it would be better to rename the event time window assigner to
> something like {{TumblingEventTimeWindows}}. Additionally, we could extend
> the JavaDocs a bit, since not everyone knows that "based on the timestamps"
> means based on event time.
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