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04-02-2003, 06:32 AM #1WHT Addict
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What's Better: More RAM or More CPU Power?
just curiose..
what's better for webhosting
having lot of Memory (1024- 2048 Ram)
or mor CPU Power at least as P4 2.00GHz or higher...
Thanks
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04-02-2003, 06:43 AM #2Web Hosting Master
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It depends upon what you're going to be serving; https needs lots of cpu power, mod_perl chews up memory like candy. For serving static files over HTTP, memory is more important than cpu power, but a 2GHz P4 with 1GB of memory should be able to serve hundreds of GB/day, so for static files the bottleneck is going to be your network uplink.
Dr. Colin Percival, FreeBSD Security Officer
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04-02-2003, 10:19 AM #3Web Hosting Master
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"It depends" heh
How about going for both? prices are so low now over in the US that you may as well
Obviously if you're running an awful lot of complex dynamic content then you're going to need more CPU power than say someone just hosting some static images...Robin Balen
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04-02-2003, 10:21 AM #4Web Hosting Master
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If you had to choose, I would say processor... Linux manages ram pretty efficiently. Unless you are getting low on ram and swapping a lot. Then get the ram!
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04-02-2003, 12:40 PM #5Web Hosting Guru
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mercury, I think memory is more important than CPU especially when you got hundreds of web sites and they are still using CGI scripts in your server, you will know the benefits of getting more RAM instead of a more powerful CPU.
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04-02-2003, 12:43 PM #6Web Hosting Master
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Aah... but 100s of CGI scripts = high CPU load... hehe - really, you need a balance of both CPU power and RAM
Robin Balen
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04-02-2003, 12:43 PM #7Web Hosting Master
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What I'm trying to say is there's no point having a 3GHz P4 but with only 128mb ram... likewise it would be a bit daft to have a 400MHz PII with 6GB ram
Robin Balen
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04-02-2003, 12:52 PM #8Web Hosting Guru
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yup Robin, I'd say, it's a fair server if the CPU is PIII 1.0 with 1GB Ram
Hozting.com - Professional Hosting since 2000
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04-02-2003, 01:26 PM #9Web Hosting Master
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My outlook on this:
P3 celeron - 512M
Real P3 or P4 Celeron - 1G
Real P4 or Dual P3 - 1G+
This is assuming shared hosting where you're gonna have a hodge podge of account types, forums, static files, perl, etc.
Though more ram is never ever a bad idea this is my "minimum".Gary Harris - the artist formerly known as Dixiesys
resident grumpy redneck
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04-02-2003, 01:36 PM #10Web Hosting Master
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Re: What's Better: More RAM or More CPU Power?
I always go for RAM (if my clients agree). RAM removes processing bottlenecks more quickly (known as the VonNeuman Bottlenecks). This is almost always noticed performance-wise, especially when your run high loads. Increasing CPU is noticible often only when the upgrade is significant. Otherwise it mostly affects floating point performance which webhosting type applicataions rarely saturate.
On a side note, other than Memory, another good investment is in quality ethernet cards (on board packet management and so forth). Not all ethernet cards are created equally. IF you can take load off the CPU by making the ethernet card handle more you should.
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04-02-2003, 01:38 PM #11Web Hosting Master
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I usually get a box which is dual capable and supports upto 4gigs of ram and start it off with one chip and 2gigs of ram, most of the time it will handle a fair amount of sites with that and still be scalable...
also I wouldnt use anything less then SCSI drives....
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04-02-2003, 01:54 PM #12Web Hosting Master
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Re: Re: What's Better: More RAM or More CPU Power?
Originally posted by idologicJeff
RAM removes processing bottlenecks more quickly (known as the VonNeuman Bottlenecks).
No. The Von Neumann bottleneck is an inevitable result of the Von Neumann architecture; adding memory has absolutely no effect upon it.
It's also a critical element in the success of a particular Hefeweizen microbrewery, but that's something which only regular comp.arch readers would appreciate.Dr. Colin Percival, FreeBSD Security Officer
Online backups for the truly paranoid: http://www.tarsnap.com/
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04-02-2003, 02:45 PM #13Web Hosting Master
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you need to have at least a gig of ram, if you decide to go with P4 ...my opinion
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04-02-2003, 02:54 PM #14Web Hosting Master
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That's a rather sweeping statement, but OK.... heh
Robin Balen
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04-02-2003, 03:08 PM #15Web Hosting Master
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Just go with Dual XEONs 2.4Ghz with Hyperthreading and 2GB RAM.
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04-02-2003, 03:15 PM #16Web Hosting Master
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Originally posted by Aussie Bob
Just go with Dual XEONs 2.4Ghz with Hyperthreading and 2GB RAM.
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04-02-2003, 03:16 PM #17Web Hosting Master
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Originally posted by alapo
Not everyone is as pimped out as you!
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04-02-2003, 04:03 PM #18Web Hosting Master
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cpu load is not immportant. cpu idle time percentage is, look at that. as far as the cpu, i would go for l2 cache before adding clockspeed.
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04-02-2003, 07:43 PM #19Web Hosting Master
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I prefer strong processors with a lot of cache and a lot of good DDRAM. I've also noticed using SCSI disks seems to help out a lot in how somethings are handled.
Clockspeed isn't what I look for, cache is, but if you can get both take em.What does one host say to the other? "(HostA) Want to go see a movie?" "(HostB) Sure, can your parents drive?"
I'm premium, and no, I did not have to pay $6 a month to figure that out.
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04-02-2003, 07:54 PM #20Retired Moderator
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Well in short, your machine is only as good as the slowest bottleneck.
That can be anything, ram, cpu, harddisk, motherboard, bus speeds, even your IDE cables (for example if you are on IDE).
But if I am to choose.... I can't really You have to look at the usage as many has pointed out. For example, if your usage is a lot of processing work (crunching of data, logs etc) then it will help to have a faster chip.
But you must remember the above statement: which is your machine is only as fast as your slowest bottleneck••• Like us on Facebook to qualify for discounts! •••
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