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https://issues.apache.org/jira/browse/BEAM-71?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16327445#comment-16327445
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Luke Cwik commented on BEAM-71:
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I assigned this to you but before you start coding things up, it would be good
to document the interface(s) you would like to expose. I believe that this
should be targeting the computation of watermarks for SplittableDoFn.
[~kirpichov], is there any guidance or documentation that you can point Tarush
at?
> 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
> Assignee: Tarush Grover
> 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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