From: | "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com> |
---|---|
To: | Jeff Davis <jdavis-pgsql(at)empires(dot)org> |
Cc: | Richard Huxton <dev(at)archonet(dot)com>, Rick Schumeyer <rschumeyer(at)ieee(dot)org>, "'PgSql General'" <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: prelimiary performance comparison pgsql vs mysql |
Date: | 2005-03-15 22:13:01 |
Message-ID: | 1110924781.6585.38.camel@jd2.commandprompt.com |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-general |
> Also, a 32-bit machine can only hold so much RAM. If I'm correct, there
> are ways to address more memory than that on a 32 bit machine, but I
> wonder at what cost? In other words, is it a good idea to address more
> than 4GB on a 32 bit machine? If not, is it a reasonable choice to
> invest in 64 bit if you want >4GB of RAM? Or are you better off just
> spending the money on RAID and staying at 4GB?
It entirely depends on the database but not that the 32bit limit of 4GB
is per CPU. So if you have 4 CPUs you can have 16GB of ram.
However, you should be running Opterons anyway.
J
>
> Regards,
> Jeff Davis
>
> PS: A minor typo in "Disk and WAL" -> "checkpoint_segments":
> s/Depening/Depending/
>
>
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