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Re: Fastest DB restore options

From: Naomi Walker <nwalke(at)eldocomp(dot)com>
To: "ogjunk-pgjedan(at)yahoo(dot)com" <ogjunk-pgjedan(at)yahoo(dot)com>
Cc: "pgsql-admin(at)postgresql(dot)org" <pgsql-admin(at)postgresql(dot)org>
Subject: Re: Fastest DB restore options
Date: 2007-02-22 15:58:31
Message-ID: 45DDBDA7.50705@eldocomp.com (view raw or flat)
Thread:
Lists: pgsql-admin
Consider leaving all indicies off until the load finishes...

Naomi

ogjunk-pgjedan(at)yahoo(dot)com wrote:
> Hello,
>
> I have a fairly large DB to dump and restore as fast as possible.  I'm moving from 8.0.3 to 8.2.3! :)
>
> I normally dump with these options:
>
>   -d MyDB --clean --inserts --column-inserts --format=P
>
> But the last time I tried that, the restore took foreeeeeeeeeeeeeever.  So I'm looking for the fastest way to import data from the old DB to the new one.  Judging from pg_dump man page the following should be the fastest dump & restore:
>
>   -d MyDB --format=c --ignore-version
>  
> Is there anything else I can do to make the restore as fast as possible?
>
> Thanks,
> Otis
>
> . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
> Simpy -- http://www.simpy.com/  -  Tag  -  Search  -  Share
>
>
>
> ---------------------------(end of broadcast)---------------------------
> TIP 9: In versions below 8.0, the planner will ignore your desire to
>        choose an index scan if your joining column's datatypes do not
>        match
>   


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