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ASF GitHub Bot commented on BEAM-2140:
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aljoscha opened a new pull request #4348: [BEAM-2140] Fix
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Eugene Kirpichov commented on BEAM-2140:
Also note that this support is critical for portable
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Eugene Kirpichov commented on BEAM-2140:
Thanks Aljoscha! It would be awesome to get this working
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Aljoscha Krettek commented on BEAM-2140:
As I commented on the PR, I have a solution that is
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ASF GitHub Bot commented on BEAM-2140:
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Github user aljoscha closed the pull request at:
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Eugene Kirpichov commented on BEAM-2140:
Sorry for the delayed response. The output watermark
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Aljoscha Krettek commented on BEAM-2140:
[~jkff] [~kenn] [~lzljs3620320] Returning to this after a
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ASF GitHub Bot commented on BEAM-2140:
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GitHub user aljoscha opened a pull request:
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Aljoscha Krettek commented on BEAM-2140:
Yep, in the Flink Runner the processing path for
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Kenneth Knowles commented on BEAM-2140:
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Yea, as you say SDF can play by its own rules, so you can
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Eugene Kirpichov commented on BEAM-2140:
Conceptually, watermarks are for PCollections - lower
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Eugene Kirpichov commented on BEAM-2140:
So, to elaborate on what Kenn said. We dug a bit deeper
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Kenneth Knowles commented on BEAM-2140:
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Yea. I think if timers are set with an event time timestamp,
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Aljoscha Krettek commented on BEAM-2140:
Cool, so for the side channel to affect things we just
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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
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Aljoscha Krettek commented on BEAM-2140:
Ok, I also fixed the issue of dropped timers by exhausting
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Aljoscha Krettek commented on BEAM-2140:
I think to unblock this we have to move the SplittableDoFn
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Kenneth Knowles commented on BEAM-2140:
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Yes, your last comment is the reason. If the watermark of
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Eugene Kirpichov commented on BEAM-2140:
Working backwards from that, in the "read Pubsub topic
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Eugene Kirpichov commented on BEAM-2140:
...Or is the problem that the watermark of the output
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Eugene Kirpichov commented on BEAM-2140:
_we can't advance the watermark as though it was
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Kenneth Knowles commented on BEAM-2140:
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Ah, it is true that the input element is still pending. That
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Eugene Kirpichov commented on BEAM-2140:
Okay, I see that I misunderstood what the watermark hold
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Aljoscha Krettek commented on BEAM-2140:
I need to look into things a bit but I think your comment
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Kenneth Knowles commented on BEAM-2140:
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I considered for a long time what should happen with
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Kenneth Knowles commented on BEAM-2140:
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Taking a step back, I don't feel strongly that it needs to
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Kenneth Knowles commented on BEAM-2140:
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I agree that the proposal of registering timers with an
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Kenneth Knowles commented on BEAM-2140:
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[~lzljs3620320] you are correct - the decision about whether
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Jingsong Lee commented on BEAM-2140:
On 1: If the decision whether the window expired is output
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Kenneth Knowles commented on BEAM-2140:
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There is an open need to be able to set a timer with an
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Kenneth Knowles commented on BEAM-2140:
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A watermark holds constrains the output watermark, not the
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Eugene Kirpichov commented on BEAM-2140:
On 1: the timer should not be dropped because ProcessFn is
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Kenneth Knowles commented on BEAM-2140:
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Dropping the processing-time timer is the intended behavior
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Aljoscha Krettek commented on BEAM-2140:
[~lzljs3620320]/[~jkff] I looked into this again and I
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Eugene Kirpichov commented on BEAM-2140:
Aljoscha - SDF code does not inspect watermarks.
Here's
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Jingsong Lee commented on BEAM-2140:
1. {{SplittableParDo}} will clear its State, in
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Aljoscha Krettek commented on BEAM-2140:
I think this is mostly right, yes.
1. Why should it not
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Jingsong Lee commented on BEAM-2140:
First, {{SplittableParDo}} should not wrap {{StatefulDoFnRunner}}.
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Aljoscha Krettek commented on BEAM-2140:
Yes, that seems ok.
> Fix SplittableDoFn ValidatesRunner
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Davor Bonaci commented on BEAM-2140:
[~aljoscha], this shouldn't be release-blocking, right?
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