| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Julien Rouhaud <rjuju123(at)gmail(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, Ashutosh Sharma <ashu(dot)coek88(at)gmail(dot)com>, Dilip Kumar <dilipbalaut(at)gmail(dot)com>, Greg Nancarrow <gregn4422(at)gmail(dot)com>, Heikki Linnakangas <hlinnaka(at)iki(dot)fi>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: [Proposal] Fully WAL logged CREATE DATABASE - No Checkpoints |
| Date: | 2022-02-10 23:10:48 |
| Message-ID: | 20220210231048.je33hlvcoz2lqjvk@alap3.anarazel.de |
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| Lists: | pgsql-hackers |
Hi,
On 2022-02-10 10:32:42 -0500, Robert Haas wrote:
> I won't really be surprised if we hear that someone has a 10GB
> template database and likes to make a ton of copies and only change
> 500 rows in each one while replicating the whole thing over a slow
> WAN. That can definitely happen, and I'm sure whoever is doing that
> has reasons for it which they consider good and sufficient. However, I
> don't think there are likely to be a ton of people doing stuff like
> that - just a few.
Yea. I would be a bit more concerned if we made creating template databases
very cheap, e.g. by using file copy-on-write functionality like we have for
pg_upgrade. But right now it's a fairly hefty operation anyway.
Greetings,
Andres Freund
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