From: | <pdg(at)stratos(dot)net> |
---|---|
To: | "Mathieu Arnold" <mat(at)mat(dot)cc>, <pgsql-novice(at)postgresql(dot)org>, <pgsql-admin(at)postgresql(dot)org> |
Subject: | Re: [NOVICE] Hardware needed for 15,000,000 record DB? |
Date: | 2002-04-22 07:41:42 |
Message-ID: | 027001c1e9d1$25af59d0$0a00000a@windowsbox |
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Lists: | pgsql-admin pgsql-novice |
Hello,
> well, I have a server with a database over 7GB, and :
>
> backup=> select count(*) from file;
> count
> ----------
> 19430605
> (1 row)
>
> backup=> explain analyze select * from file where id_file = 29000000;
> NOTICE: QUERY PLAN:
>
> Index Scan using file_pkey on file (cost=0.00..3.18 rows=1 width=117)
> (actual time=0.60..0.61 rows=1 loops=1)
> Total runtime: 0.77 msec
>
> and it's an old poor :
> hda: IBM-DTLA-307030, ATA DISK drive
>
> ps: the select count(*) took a long time, but I believe that was because
> there was a batch running and feeding the db :)
Thanks for the information.
Though, as a newbie, I am not quite sure what all the above performance
numbers actually mean. :)
What sort of CPU/Memory configuration are you running this server on?
Thanks again,
David
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