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Posted to commits@beam.apache.org by "Davor Bonaci (JIRA)" <ji...@apache.org> on 2016/12/28 22:02:58 UTC

[jira] [Updated] (BEAM-732) Placing Timers into the global window causes tests to Flake

     [ https://issues.apache.org/jira/browse/BEAM-732?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Davor Bonaci updated BEAM-732:
------------------------------
    Component/s: sdk-java-core

> Placing Timers into the global window causes tests to Flake
> -----------------------------------------------------------
>
>                 Key: BEAM-732
>                 URL: https://issues.apache.org/jira/browse/BEAM-732
>             Project: Beam
>          Issue Type: Bug
>          Components: sdk-java-core
>            Reporter: Thomas Groh
>            Assignee: Thomas Groh
>             Fix For: 0.3.0-incubating
>
>
> When timers are delivered in the global window rather than in empty windows, the fact that they may share a timestamp with pending elements causes the pending elements to be removed from the collection of pending elements, allowing the watermark to advance inappropriately.
> Only remove elements that have become pending. Use a comparator that compares different elements as nonequal to do so.
> See WatermarkManager.AppliedPTransformInputWatermark



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