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https://issues.apache.org/jira/browse/BEAM-2140?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16067130#comment-16067130
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Kenneth Knowles commented on BEAM-2140:
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OK. We also came up with a new thought that affect timers in general. TL;DR:
every timer gets an event time timestamp independent of its firing spec, and
those timestamps flow in a feedback loop that gets a watermark.
I have written up the details at BEAM-2535, which should track making it
available for user timers. But doing the "under the hood work" to get SDF up
and running can be done more quickly. I believe we can implement it using the
kinds of state we have available today since the side channel watermark is
simply the same value as the output watermark hold.
> Fix SplittableDoFn ValidatesRunner tests in FlinkRunner
> -------------------------------------------------------
>
> Key: BEAM-2140
> URL: https://issues.apache.org/jira/browse/BEAM-2140
> Project: Beam
> Issue Type: Bug
> Components: runner-flink
> Reporter: Aljoscha Krettek
> Assignee: Aljoscha Krettek
>
> As discovered as part of BEAM-1763, there is a failing SDF test. We disabled
> the tests to unblock the open PR for BEAM-1763.
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