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https://issues.apache.org/jira/browse/BEAM-12276?focusedWorklogId=592870&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-592870
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ASF GitHub Bot logged work on BEAM-12276:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 04/May/21 17:20
Start Date: 04/May/21 17:20
Worklog Time Spent: 10m
Work Description: reuvenlax commented on pull request #14718:
URL: https://github.com/apache/beam/pull/14718#issuecomment-832108998
The fire timestamp for the timer should be the timestamp of the timer
itself, not the current input watermark. One way to get is is using
OnTimerContext.fireTimestamp. You can also get it by adding a @Timestamp
parameter to the onTimer function, which will be filled in using the fire
timestamp.
On Tue, May 4, 2021 at 10:17 AM Jan Lukavský ***@***.***>
wrote:
> @reuvenlax <https://github.com/reuvenlax> the problem is with relative
> timers. I'm not aware of a way to get the input watermark, which is the
> firing timestamp for relative event time timer with zero offset. Which is
> tested in the test case.
>
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Issue Time Tracking
-------------------
Worklog Id: (was: 592870)
Time Spent: 1.5h (was: 1h 20m)
> Timer.withOutputTimestamp(Instant).offset(Duration).setRelative() might fail
> unexpectedly
> -----------------------------------------------------------------------------------------
>
> Key: BEAM-12276
> URL: https://issues.apache.org/jira/browse/BEAM-12276
> Project: Beam
> Issue Type: Bug
> Components: sdk-java-core
> Affects Versions: 2.30.0
> Reporter: Jan Lukavský
> Assignee: Jan Lukavský
> Priority: P2
> Time Spent: 1.5h
> Remaining Estimate: 0h
>
> We check that timer's output timestamp is not before timer fire timestamp.
> The fire timestamp is unknown to user when setting a relative timer and
> therefore cannot be checked in user code.
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