Re: Linux scalability?

2001-05-21 Thread Dan Kegel
Sean Hunter wrote: > On Sat, May 19, 2001 at 10:31:01AM +0200, Sasi Peter wrote: > > On Fri, 18 May 2001, Sean Hunter wrote: > > > > > Why would you want to run a web server with 8 processors rather than four > > > webservers with 2 each? > > > > As you might already know, after the

Re: Linux scalability?

2001-05-21 Thread Sean Hunter
Yup. The problem is that you're trying to measure scalability in performance of an i/o-bound task by comparing a machine with greater i/o resource but less processing power with one with greater processing but poorer i/o. Surprisingly enough, the one with the best i/o wins. This isn't really a

Re: Linux scalability?

2001-05-21 Thread Sean Hunter
Yup. The problem is that you're trying to measure scalability in performance of an i/o-bound task by comparing a machine with greater i/o resource but less processing power with one with greater processing but poorer i/o. Surprisingly enough, the one with the best i/o wins. This isn't really a

Re: Linux scalability?

2001-05-21 Thread Dan Kegel
Sean Hunter wrote: On Sat, May 19, 2001 at 10:31:01AM +0200, Sasi Peter wrote: On Fri, 18 May 2001, Sean Hunter wrote: Why would you want to run a web server with 8 processors rather than four webservers with 2 each? As you might already know, after the interviews to Mingo I

Re: Linux scalability?

2001-05-19 Thread Sasi Peter
On Fri, 18 May 2001, Sean Hunter wrote: > Why would you want to run a web server with 8 processors rather than four > webservers with 2 each? As you might already know, after the interviews to Mingo I assumed, that a major portion of the achievements was enabled by the 2.4 scalability

Re: Linux scalability?

2001-05-19 Thread Sasi Peter
On 18 May 2001, reiser.angus wrote: > not really the same box > look at the disk subsystem > 7 x 9GB 10KRPM Drives and 1 x 18GB 15KRPM (html+log & os) for Win2000 > 5 x 9GB 10KRPM Drives (html+log+os) for TUX 2.0 > this is sufficient for a such difference Don't you think that all the really

Re: Linux scalability?

2001-05-19 Thread Sasi Peter
On 18 May 2001, reiser.angus wrote: not really the same box look at the disk subsystem 7 x 9GB 10KRPM Drives and 1 x 18GB 15KRPM (html+log os) for Win2000 5 x 9GB 10KRPM Drives (html+log+os) for TUX 2.0 this is sufficient for a such difference Don't you think that all the really needed

Re: Linux scalability?

2001-05-19 Thread Sasi Peter
On Fri, 18 May 2001, Sean Hunter wrote: Why would you want to run a web server with 8 processors rather than four webservers with 2 each? As you might already know, after the interviews to Mingo I assumed, that a major portion of the achievements was enabled by the 2.4 scalability

Re: [OT] Re: Linux scalability?

2001-05-18 Thread J Sloan
Peter Rival wrote: > "David S. Miller" wrote: > > > J Sloan writes: > > > Microsoft finally managed to get a better result using > > > an all-out, "bet the farm", "benchmark buster" setup > > > with a special web cache in front of iis. > > > > I haven't heard anyone talk about the fact that

Re: Linux scalability?

2001-05-18 Thread Rodger Donaldson
On Fri, May 18, 2001 at 09:17:11AM +0100, Sean Hunter wrote: [Discussion of SPECWeb results] > Why would you want to run a web server with 8 processors rather than four > webservers with 2 each? Because you want to win benchmarketing exercises, not demonstrate that your architecture has any

Re: [OT] Re: Linux scalability?

2001-05-18 Thread Peter Rival
"David S. Miller" wrote: > Peter Rival writes: > > Really? I just checked and it's still there from what I see. We're talking > > about the Dell 8450/700 w/ IIS & SWC 3.0 result, right? I'm hoping that > > they're deemed NC, but I don't see it yet... > > Sorry, they are there in the table,

Re: [OT] Re: Linux scalability?

2001-05-18 Thread David S. Miller
Peter Rival writes: > Really? I just checked and it's still there from what I see. We're talking > about the Dell 8450/700 w/ IIS & SWC 3.0 result, right? I'm hoping that > they're deemed NC, but I don't see it yet... Sorry, they are there in the table, but marked as NC. Maybe you need

Re: [OT] Re: Linux scalability?

2001-05-18 Thread Peter Rival
"David S. Miller" wrote: > J Sloan writes: > > Microsoft finally managed to get a better result using > > an all-out, "bet the farm", "benchmark buster" setup > > with a special web cache in front of iis. > > I haven't heard anyone talk about the fact that their 8-cpu numbers > got

Re: [OT] Re: Linux scalability?

2001-05-18 Thread David S. Miller
J Sloan writes: > Microsoft finally managed to get a better result using > an all-out, "bet the farm", "benchmark buster" setup > with a special web cache in front of iis. I haven't heard anyone talk about the fact that their 8-cpu numbers got disqualified and aren't even mentioned on the

[OT] Re: Linux scalability?

2001-05-18 Thread J Sloan
Ronald Bultje wrote: > On 18 May 2001 10:12:34 +0200, reiser.angus wrote: > > > However, taking a closer look, it turns out, that the above statement > > > holds true only for 1 and 2 processor machines. Scalability already > > > suffers at 4 processors, and at 8 processors, TUX 2.0 (7500) gets

Re: Linux scalability?

2001-05-18 Thread Dan Kegel
Sasi Peter <[EMAIL PROTECTED]> wrote: > I am just writing an essay, an have mentioned TUX as a performance and > scalability linearity recort holder with TUX, referencing the specweb99 > website summary page: > > http://www.spec.org/osg/web99/results/web99.html > > However, taking a closer

Re: Linux scalability?

2001-05-18 Thread Ronald Bultje
On 18 May 2001 10:30:40 +0200, reiser.angus wrote: > TUX does not exist on 2.2 kernel > They use a RedHat 7.0 with a 2.4 kernel patched by RedHat (with TUX, > zerocopy, etc..) I am pretty sure the C'T article mentioned that TUX did use a 2.2.x kernel - so it does exist. How else could they make

Re: Linux scalability?

2001-05-18 Thread reiser.angus
> I read an article about TUX in the dutch C'T a few months ago (nov/dec > 2000, I think) - the real difference (according to the article) was the > 2.2.x kernel used in TUX. Look at the stats of the website, they used > Redhat 7.0 as base, with kernel 2.2.16. TUX does not exist on 2.2 kernel

Re: Linux scalability?

2001-05-18 Thread Ronald Bultje
On 18 May 2001 10:12:34 +0200, reiser.angus wrote: > > However, taking a closer look, it turns out, that the above statement > > holds true only for 1 and 2 processor machines. Scalability already > > suffers at 4 processors, and at 8 processors, TUX 2.0 (7500) gets beaten > > by IIS 5.0 (8001),

Re: Linux scalability?

2001-05-18 Thread Sean Hunter
Why would you want to run a web server with 8 processors rather than four webservers with 2 each? Sean On Fri, May 18, 2001 at 09:24:48AM +0200, Sasi Peter wrote: > Hi! > > I am just writing an essay, an have mentioned TUX as a performance and > scalability linearity recort holder with TUX,

Re: Linux scalability?

2001-05-18 Thread reiser.angus
> However, taking a closer look, it turns out, that the above statement > holds true only for 1 and 2 processor machines. Scalability already > suffers at 4 processors, and at 8 processors, TUX 2.0 (7500) gets beaten > by IIS 5.0 (8001), and these were measured on the same kind of box! not really

Linux scalability?

2001-05-18 Thread Sasi Peter
Hi! I am just writing an essay, an have mentioned TUX as a performance and scalability linearity recort holder with TUX, referencing the specweb99 website summary page: http://www.spec.org/osg/web99/results/web99.html However, taking a closer look, it turns out, that the above statement holds

Linux scalability?

2001-05-18 Thread Sasi Peter
Hi! I am just writing an essay, an have mentioned TUX as a performance and scalability linearity recort holder with TUX, referencing the specweb99 website summary page: http://www.spec.org/osg/web99/results/web99.html However, taking a closer look, it turns out, that the above statement holds

Re: Linux scalability?

2001-05-18 Thread reiser.angus
However, taking a closer look, it turns out, that the above statement holds true only for 1 and 2 processor machines. Scalability already suffers at 4 processors, and at 8 processors, TUX 2.0 (7500) gets beaten by IIS 5.0 (8001), and these were measured on the same kind of box! not really the

Re: Linux scalability?

2001-05-18 Thread Sean Hunter
Why would you want to run a web server with 8 processors rather than four webservers with 2 each? Sean On Fri, May 18, 2001 at 09:24:48AM +0200, Sasi Peter wrote: Hi! I am just writing an essay, an have mentioned TUX as a performance and scalability linearity recort holder with TUX,

Re: Linux scalability?

2001-05-18 Thread Ronald Bultje
On 18 May 2001 10:12:34 +0200, reiser.angus wrote: However, taking a closer look, it turns out, that the above statement holds true only for 1 and 2 processor machines. Scalability already suffers at 4 processors, and at 8 processors, TUX 2.0 (7500) gets beaten by IIS 5.0 (8001), and

Re: Linux scalability?

2001-05-18 Thread reiser.angus
I read an article about TUX in the dutch C'T a few months ago (nov/dec 2000, I think) - the real difference (according to the article) was the 2.2.x kernel used in TUX. Look at the stats of the website, they used Redhat 7.0 as base, with kernel 2.2.16. TUX does not exist on 2.2 kernel They

Re: Linux scalability?

2001-05-18 Thread Ronald Bultje
On 18 May 2001 10:30:40 +0200, reiser.angus wrote: TUX does not exist on 2.2 kernel They use a RedHat 7.0 with a 2.4 kernel patched by RedHat (with TUX, zerocopy, etc..) I am pretty sure the C'T article mentioned that TUX did use a 2.2.x kernel - so it does exist. How else could they make a

Re: Linux scalability?

2001-05-18 Thread Dan Kegel
Sasi Peter [EMAIL PROTECTED] wrote: I am just writing an essay, an have mentioned TUX as a performance and scalability linearity recort holder with TUX, referencing the specweb99 website summary page: http://www.spec.org/osg/web99/results/web99.html However, taking a closer look, it

[OT] Re: Linux scalability?

2001-05-18 Thread J Sloan
Ronald Bultje wrote: On 18 May 2001 10:12:34 +0200, reiser.angus wrote: However, taking a closer look, it turns out, that the above statement holds true only for 1 and 2 processor machines. Scalability already suffers at 4 processors, and at 8 processors, TUX 2.0 (7500) gets beaten

Re: Linux scalability?

2001-05-18 Thread Rodger Donaldson
On Fri, May 18, 2001 at 09:17:11AM +0100, Sean Hunter wrote: [Discussion of SPECWeb results] Why would you want to run a web server with 8 processors rather than four webservers with 2 each? Because you want to win benchmarketing exercises, not demonstrate that your architecture has any

Re: [OT] Re: Linux scalability?

2001-05-18 Thread David S. Miller
Peter Rival writes: Really? I just checked and it's still there from what I see. We're talking about the Dell 8450/700 w/ IIS SWC 3.0 result, right? I'm hoping that they're deemed NC, but I don't see it yet... Sorry, they are there in the table, but marked as NC. Maybe you need to

Re: [OT] Re: Linux scalability?

2001-05-18 Thread Peter Rival
David S. Miller wrote: Peter Rival writes: Really? I just checked and it's still there from what I see. We're talking about the Dell 8450/700 w/ IIS SWC 3.0 result, right? I'm hoping that they're deemed NC, but I don't see it yet... Sorry, they are there in the table, but marked

Re: [OT] Re: Linux scalability?

2001-05-18 Thread Peter Rival
David S. Miller wrote: J Sloan writes: Microsoft finally managed to get a better result using an all-out, bet the farm, benchmark buster setup with a special web cache in front of iis. I haven't heard anyone talk about the fact that their 8-cpu numbers got disqualified and aren't

Re: [OT] Re: Linux scalability?

2001-05-18 Thread J Sloan
Peter Rival wrote: David S. Miller wrote: J Sloan writes: Microsoft finally managed to get a better result using an all-out, bet the farm, benchmark buster setup with a special web cache in front of iis. I haven't heard anyone talk about the fact that their 8-cpu numbers