Re: Hardware performance Was: Does anyone run test win vs. linux and can share how muchfaster is linux than windows, please?
- From: Jared Still <jkstill@xxxxxxxxx>
- To: Brandon.Allen@xxxxxxxxxxx
- Date: Sat, 13 Aug 2005 17:36:12 +0100
Everyone seems to have forgotten that a couple years ago
it was demonstrated that system calls in Windows 2000
took about twice as long as system calls in Linux.
MS vowed to correct the problem in Windows 2003. I
haven't tried to verify if they actually did so.
--
Jared Still
Certifiable Oracle DBA and Part Time Perl Evangelist
On 8/10/05, Allen, Brandon <Brandon.Allen@xxxxxxxxxxx> wrote:
>
> Regardless of your OS, your I/O subsystem is MUCH more important to your
> database performance than the OS is. This is also where you would see the
> tremendous slowness of a badly written query - when you're running it on a
> slow I/O system. If you run a bad query on super fast I/O, or on cached
> buffers, then it might appear to perform just fine, but again, this is
> dependend on the I/O speed - not the OS. I think the main differences to
> consider between operating systems are stability, cost, manageability,
> in-house experience, flexibility, compatibility, etc. - not performance.
> Regards,
> Brandon Allen
>
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