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Re: BUG: Postgres 14 + vacuum_defer_cleanup_age + FOR UPDATE + UPDATE - Mailing list pgsql-hackers

From Michail Nikolaev
Subject Re: BUG: Postgres 14 + vacuum_defer_cleanup_age + FOR UPDATE + UPDATE
Date
Msg-id CANtu0ojS07ptbePVENX9xfb_O8q08AZ64Y3mLCjrx3Gh1+aF5Q@mail.gmail.com
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In response to BUG: Postgres 14 + vacuum_defer_cleanup_age + FOR UPDATE + UPDATE  (Michail Nikolaev <michail.nikolaev@gmail.com>)
Responses Re: BUG: Postgres 14 + vacuum_defer_cleanup_age + FOR UPDATE + UPDATE
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Hello, Andres.

I apologize for the direct ping, but I think your snapshot scalability
work in PG14 could be related to the issue.

The TransactionIdRetreatedBy implementation looks correct... But with
txid_current=212195 I see errors like "could not access status of
transaction 58643736"...
So, maybe vacuum_defer_cleanup_age just highlights some special case
(something with "previous" xids on the left side of zero?)....

Thanks,
Michail.

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