Re: Faster pg_resore with autovacuum off?

From: Ron Johnson <ronljohnsonjr(at)gmail(dot)com>
To: pgsql-admin <pgsql-admin(at)postgresql(dot)org>
Subject: Re: Faster pg_resore with autovacuum off?
Date: 2024-07-27 20:24:45
Message-ID: CANzqJaCaLavwMjxnj+zQm+UfHBb9BjcXQ0fh0BK4nCtLBVLe7Q@mail.gmail.com
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On Sat, Jul 27, 2024 at 4:06 PM Scott Ribe <scott_ribe(at)elevated-dev(dot)com>
wrote:

> > On Jul 27, 2024, at 1:48 PM, Ron Johnson <ronljohnsonjr(at)gmail(dot)com>
> wrote:
> >
> > You can't forget to enable autovacuum when it's in the same script as
> the pg_restore.
>
> Similar argument applies to turning off fsync, which I have found to
> sometimes make a significant difference (depending on hardware).
>
> The other argument I've seen, that if there's a crash during restore
> you'll have a corrupted database, is bogus. What are you going to try to do
> with a database if there's a crash during restore???
>

Josh Berkus' blog post, which I linked to earlier, recommended that, and a
lot more, 10 years ago. It all still holds up. Bigger servers just means
some values need enlarging.

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