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Postgres connector cannot resume if no events in CDC stream received #2287

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karolisg opened this issue Jan 2, 2024 · 1 comment
Open

Postgres connector cannot resume if no events in CDC stream received #2287

karolisg opened this issue Jan 2, 2024 · 1 comment

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@karolisg
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karolisg commented Jan 2, 2024 •
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This bug happens when we don't receive any message in CDC stream after reading the initial snapshot of data in postgres database.
In this case, we have LSN of publication slot, which can be used for snapshotting done event.

https://link.excalidraw.com/readonly/cBRn1ElaavxaTJtJ6CvP
Screenshot 2024-01-02 at 15 04 44
@karolisg karolisg mentioned this issue Jan 2, 2024
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@chubei
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chubei commented Jan 2, 2024

Yes, we should send a Some(OpIdentifier::new(lsn, MAGIC_NUMBER)) to make it resumable once snapshotting is done.

@karolisg karolisg changed the title Postgres connector cannot resume if no events in CDC stream came Postgres connector cannot resume if no events in CDC stream received Jan 2, 2024
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@karolisg @chubei