| From: | Alexander Korotkov <aekorotkov(at)gmail(dot)com> |
|---|---|
| To: | Peter Eisentraut <peter(at)eisentraut(dot)org> |
| Cc: | Kartyshov Ivan <i(dot)kartyshov(at)postgrespro(dot)ru>, pgsql-hackers(at)lists(dot)postgresql(dot)org |
| Subject: | Re: [HACKERS] make async slave to wait for lsn to be replayed |
| Date: | 2024-03-26 23:49:17 |
| Message-ID: | CAPpHfdv8zAqTuRzOXgn2yKc4O8qJmfzeJ37975+QecixVjS4oA@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Fri, Mar 22, 2024 at 12:50 AM Peter Eisentraut <peter(at)eisentraut(dot)org> wrote:
> On 19.03.24 18:38, Kartyshov Ivan wrote:
> > CALL pg_wait_lsn('0/3002AE8', 10000);
> > BEGIN;
> > SELECT * FROM tbl; // read fresh insertions
> > COMMIT;
>
> I'm not endorsing this or any other approach, but I think the timeout
> parameter should be of type interval, not an integer with a unit that is
> hidden in the documentation.
I'm not sure a timeout needs to deal with complexity of our interval
datatype. At the same time, the integer number of milliseconds looks
a bit weird. Could the float8 number of seconds be an option?
------
Regards,
Alexander Korotkov
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