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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (BEAM-732) Placing Timers into the global window causes tests to Flake
Date Tue, 11 Oct 2016 22:42:20 GMT

    [ https://issues.apache.org/jira/browse/BEAM-732?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15566847#comment-15566847
] 

ASF GitHub Bot commented on BEAM-732:
-------------------------------------

Github user asfgit closed the pull request at:

    https://github.com/apache/incubator-beam/pull/1069


> 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
>            Reporter: Thomas Groh
>            Assignee: Thomas Groh
>
> 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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