From: | Jeff <threshar(at)torgo(dot)978(dot)org> |
---|---|
To: | Stephan Szabo <sszabo(at)megazone(dot)bigpanda(dot)com> |
Cc: | oneway_111(at)yahoo(dot)com, pgsql-admin(at)postgresql(dot)org |
Subject: | Re: pg_restore and FK constraints with large dbs |
Date: | 2003-11-17 19:47:03 |
Message-ID: | 20031117144703.138edb9f.threshar@torgo.978.org |
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Lists: | pgsql-admin |
On Mon, 17 Nov 2003 10:40:20 -0800 (PST)
Stephan Szabo <sszabo(at)megazone(dot)bigpanda(dot)com> wrote:
>
> By the way, what does your schema look like? I created an 80M row fk
> table and 20K row pk table with an int4 key between them and indexes on
> the two key fields. It took about 25 minutes on my not terribly fast
> system using 7.4b5 to make the foreign key between them. It might have
> been faster if I'd raised sort_mem to something larger than 8192.
>
i missed the start of this thread... but unless you are running 7.4 adding an FK (restore) is very slow. ZIt is fixed in 7.4.. especially w/lots of sort mem.
But the need still exists for a faster backup & restore. I've had a couple threads on this in I think -admin and -performance listts.
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--
--
Jeff Trout <jeff(at)jefftrout(dot)com>
http://www.jefftrout.com/
http://www.stuarthamm.net/
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