Thanks for the reply. I had never thought of the RAID sub system. My
situation is that there is no one I know to advice me in this regard and my
company can't affod any highly paid consultancy. That is why asked a
question like this here.
    Another question. Do Tomcat a requires a faster hard disk. The
application uses JSP and Servlets only. No HTML pages are used and it
generates some PDF and Excel files. It also serves some small images files
from local hard disk. I think Tomcat will cache these images. Now my concern
is  whether Tomcat's performance increases by faster DDR RAM.

regards Antony

----- Original Message -----
From: "John Turner" <[EMAIL PROTECTED]>
To: "Tomcat Users List" <[EMAIL PROTECTED]>
Sent: Thursday, June 19, 2003 6:09 PM
Subject: Re: [OT] best hardware config for Tomcat


>
> I won't get into specifics, but I can tell you that if you are planning to
> put this server into production, and run Oracle on it, a single hard disk
> is the WORST thing you can do, for a whole range of reasons.
>
> In most cases, CPU and RAM are not bottlenecks...disk is.  When in doubt,
> get more and faster disk, even if it means less RAM and less CPU.
>
> At a minimum you will want RAID 1...better yet, two systems disks mirrored
> with RAID 1 containing your OS and systems files, and then a RAID 5 array
> for Oracle.
>
> I strongly suggest you consult a professional.  Do not try to spec this
out
> on your own, it is clear that you are not familiar on some key points of
> hardware provisioning.  This isn't bad, I am just suggesting that you
> should find someone who is familiar, and will recommend an adequate system
> for you.  Making the wrong decision now could harm your efforts in the
> future.
>
> If you're planning on putting this server into production, and selling the
> services on this server to other people, it would be unethical to make
> promises about uptime and reliability unless you at least have a RAID
> array, redundant power supplies, a 4-hour window service contract, and
> preferably a duplicate system for hot backup.
>
> John
>
> On Thu, 19 Jun 2003 12:25:47 +0530, Antony <[EMAIL PROTECTED]>
> wrote:
>
> > Hi all,
> > If it is not the place to ask this question forgive me Please any one
> > tell me a place to ask this question.
> > I want to know the most suitable hardware configuration for Tomcat. We
> > have to run both Tomcat and Oracle 8i on it. It  is business( intranet )
> > application with about 10 users accessing at starting but planning to
> > take
> > it to 60 users in future. Then we can increase the RAM to accommodate
new
> > users. I assume by increasing RAM we Tomcat can service more users. Am I
> > right ?
> > I am not an admin or hardware expert. We plan to buy an assembled
> > system. We can afford only Intel based system. I have several questions.
> > Do
> > Tomcat need the processing power of dual processor PIV or single Xeon
> > processor ?. What kind of memory shall I use SDRAM or DDR ?  Do Tomcat
> > need
> > large amount of memory or high speed memory ?.We plan to use a single
> > hard
> > disk. What type of hard disk is best for this configuration ?. SCSI or
> > IDE ?
> > When I lloked at the Intel site I have seen different categories like
> > server,mainstream ,work station, performance etc. Remember I can't
> > recommend
> > any latest high cost technology.
> > At present three developers are using a single Pentium 4 based system
> > with 512 MB of SDRAM with Oracle and Tomcat running. It runs fine in it.
> > We
> > dont have conducted any stress test on it. We dont know to use JMeter or
> > something else. I have to give the config details within 2 days.
> > Any comments will be apprecited.
> >
> > Regars
> > Antony.
> >
> >
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> >
>
>
>
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