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Posted to issues@beam.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2020/01/10 00:02:00 UTC

[jira] [Work logged] (BEAM-8537) Provide WatermarkEstimatorProvider for different types of WatermarkEstimator

     [ https://issues.apache.org/jira/browse/BEAM-8537?focusedWorklogId=369468&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-369468 ]

ASF GitHub Bot logged work on BEAM-8537:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 10/Jan/20 00:01
            Start Date: 10/Jan/20 00:01
    Worklog Time Spent: 10m 
      Work Description: boyuanzz commented on issue #10375: [BEAM-8537] Provide WatermarkEstimator to track watermark
URL: https://github.com/apache/beam/pull/10375#issuecomment-572812388
 
 
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Issue Time Tracking
-------------------

            Worklog Id:     (was: 369468)
    Remaining Estimate: 0h
            Time Spent: 10m

> Provide WatermarkEstimatorProvider for different types of WatermarkEstimator
> ----------------------------------------------------------------------------
>
>                 Key: BEAM-8537
>                 URL: https://issues.apache.org/jira/browse/BEAM-8537
>             Project: Beam
>          Issue Type: Improvement
>          Components: sdk-py-core, sdk-py-harness
>            Reporter: Boyuan Zhang
>            Assignee: Boyuan Zhang
>            Priority: Major
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> This is a follow up for in-progress PR:  https://github.com/apache/beam/pull/9794.
> Current implementation in PR9794 provides a default implementation of WatermarkEstimator. For further work, we want to let WatermarkEstimator to be a pure Interface. We'll provide a WatermarkEstimatorProvider to be able to create a custom WatermarkEstimator per windowed value. It should be similar to how we track restriction for SDF: 
> WatermarkEstimator <---> RestrictionTracker 
> WatermarkEstimatorProvider <---> RestrictionTrackerProvider
> WatermarkEstimatorParam <---> RestrictionDoFnParam



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