| From: | Maxim Boguk <maxim(dot)boguk(at)gmail(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | pgsql-bugs(at)lists(dot)postgresql(dot)org |
| Subject: | Re: BUG #17870: Analyze on remote postgresql_fdw table never finish |
| Date: | 2023-03-28 06:34:32 |
| Message-ID: | CAK-MWwQ+V5BTww8B3egQ1y2WTwzxsmw3pJNW3RUxV-bPUQNNkw@mail.gmail.com |
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| Lists: | pgsql-bugs |
On Tue, Mar 28, 2023 at 1:43 AM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> PG Bug reporting form <noreply(at)postgresql(dot)org> writes:
> > Is it expected that the analyze of foreign table will fetch whole table
> to
> > local size (quite a task for 2TB table)?
>
> Yes. There's an improvement in the works for v16 (8ad51b5f4).
>
> regards, tom lane
>
Thank you for an explanation.
So using use_remote_estimate only way to work with huge fdw tables atm.
Is this behaviour of analyze over fdw documented somewhere?
--
Maxim Boguk
Senior Postgresql DBA
https://dataegret.com/
Phone UA: +380 99 143 0000
Phone AU: +61 45 218 5678
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