[jira] [Resolved] (FLINK-4121) Add timeunit (ms) to docs for timestamps and watermarks

["Aljoscha Krettek (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-4121?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aljoscha Krettek resolved FLINK-4121.
-------------------------------------
       Resolution: Fixed
    Fix Version/s: 1.1.0

Added in https://github.com/apache/flink/commit/35b4da273f755308b82468ced539c380444efd37

> Add timeunit (ms) to docs for timestamps and watermarks
> -------------------------------------------------------
>
>                 Key: FLINK-4121
>                 URL: https://issues.apache.org/jira/browse/FLINK-4121
>             Project: Flink
>          Issue Type: Improvement
>          Components: DataStream API
>            Reporter: Jonas Traub
>            Priority: Trivial
>             Fix For: 1.1.0
>
>
> I'm teaching a class where students are supposed to implement Flink streaming programs. It seems to be unclear for them, that the time unit of timestamps and watermarks is milliseconds.
> They just see TimeWindow.seconds(...) or something similar and assume the timestamps to be of the same unit (seconds) which is obviously not the case.
> I just checked the documentation and there is no explicit specification of the time unit used for timestamps.
> After short talk with [~aljoscha], I'll open a mini-PR to address this issue.



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