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From "Tarush Grover (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (BEAM-71) Watermark library
Date Tue, 16 Jan 2018 16:52:00 GMT

    [ https://issues.apache.org/jira/browse/BEAM-71?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16327367#comment-16327367
] 

Tarush Grover commented on BEAM-71:
-----------------------------------

[~dhalperi@google.com] What is the current status of this ticket (issue). If this feature
has not been build yet, can I take this up?

> Watermark library
> -----------------
>
>                 Key: BEAM-71
>                 URL: https://issues.apache.org/jira/browse/BEAM-71
>             Project: Beam
>          Issue Type: New Feature
>          Components: sdk-java-core
>            Reporter: Daniel Halperin
>            Priority: Major
>              Labels: Watermark
>
> See also: BEAM-70
> We should have a library of watermark implementations:
> * now: for when items use arrival timestamps
> * latest element: for when events arrive in timestamp order
> * moving average over last K time intervals
> * bucketed moving average, ...



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