Now: Hardware performance Was: Does anyone run test win vs. linux and can share how muchfaster is linux than windows, please?
- From: John Kanagaraj <john.kanagaraj@xxxxxxx>
- To: "'jkstill@xxxxxxxxx'" <jkstill@xxxxxxxxx>, VerreyB@xxxxxxxxxxxx
- Date: Wed, 10 Aug 2005 12:04:53 -0700
Actually, this makes an interesting topic.... Our very own Stephane Faroult
wrote an excellent article for SELECT Q2 '04 titled "How Hardware
performance translates into Oracle Performance". In it he showed how a
*badly* written query shows a tremendous increase in performance when the
hardware is upgraded while a well written query shows only marginal
improvement when running on better hardware... Now I am not invalidating
Jared's tests, nor am I claiming that Linux is better than Windows, but just
pointing out that there could be a different twist to this whole thing.
Maybe Stephane can summarize the findings here?
John Kanagaraj
_____
From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx]
On Behalf Of Jared Still
Sent: Wednesday, August 10, 2005 7:22 AM
To: VerreyB@xxxxxxxxxxxx
Cc: oracle-l@xxxxxxxxxxxxx
Subject: Re: Does anyone run test win vs. linux and can share how muchfaster
is linux than windows, please?
On 8/9/05, Billy Verreynne (JW) <VerreyB@xxxxxxxxxxxx
<mailto:VerreyB@xxxxxxxxxxxx> > wrote:
Anyone that thinks that deploying Oracle on Linux will result in a
faster system than deploying Oracle on Windows on the same h/w
platform, is sorely mistaken.
Disagree.
I've run an application database on two nearly identical servers,
one running linux, one running windows.
These were not quite identical, as the windows box had more disk.
Both boxes had the same type of physical disks. The linux box
had 3 RAID1 volumes for everything.
The win32 box had dedicated RAID1 volumes for redo, RAID10
for data/index, separate RAID10 for archives.
Running the same data feeding the same application, the linux
box was noticably faster. No, I didn't measure it, it was not
important at the time.
The linux server was actually running 3 databases at the time.
As for the Perl script, run strace on it. It generates time() calls
a million times.
--
Jared Still
Certifiable Oracle DBA and Part Time Perl Evangelist
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