Re: pg_restore and FK constraints with large dbs

From: ow <oneway_111(at)yahoo(dot)com>
To: pgsql-admin(at)postgresql(dot)org
Subject: Re: pg_restore and FK constraints with large dbs
Date: 2003-11-17 04:14:35
Message-ID: 20031117041435.13499.qmail@web21402.mail.yahoo.com
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--- ow <oneway_111(at)yahoo(dot)com> wrote:
> Perhaps I should clarify.
>
> First, I ran pg_dump to extract schema and data *together*. Then I ran
> pg_restore to restore the db. It took about 1 hour to create tables and copy
> the data, then about 40 min to create indexes, then pg_restore spent 4.5
> hours
> checking one (1) FK constraint (80M table with FKs against 20K table with
> PKs)
>
> 4.5 hours to check one FK constraint - this is what I meant by bad
> performance.
> I'm looking for a way to suspend FK checks since data is coming from pg_dump
> and, hence, it's clean.
>

No solution? Thanks

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