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  1. #1
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    Dual vs. single processor

    Hey all,

    What the general consensus regardsing single vs dual processors for my upcoming dedicated?

    Namely a singl P4 2.2 vs a dual P3 1.4?

    Can I expect a HUGE difference?

    Is SCSI/RAID neccesarry?

    Hmmm, read my signature and then you'll understand.

    Thanks!
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  2. #2
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    To put it in the words of Adam Sandler:

    He's gump, he's gump, he's gump...

    I'd actually also be intrested in the answer. How would a dual P3 1.2 GHZ with SDRAM fair against, say, a single P4 2.4 GHZ with DDR ram?

  3. #3
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    I would choose the dual P3 over the single P4 anyday - from our experience, single P3's have outperformed single P4s, and the dual P3s we use now absolutely fly.

    Well worth the extra that they cost.

    Matt
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  4. #4
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    SCSI/RAID

    So I can't spel so what?



    Anyways, how 'bout SCSI/RAID, does everyone use it? Would I be an idiot not to?

    Did you read my sig?
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  5. #5
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    What will you be using the machine for?
    Matthew Russell | Namecheap
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  6. #6
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    Virtual hosting, mail, etc

    Cant just loose sites if the server fails.

    ty sir
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  7. #7
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    I won't get into the debate over SCSI vs IDE, we use both, but for simple virtual hosting, IDE should be fine.
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  8. #8
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    hmmm

    Thanks for the reply,

    Insted of a debate, what advantages might scsi have over IDE?

    Thanx again
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  9. #9
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    SCSI is faster than IDE, but in a shared hosting environment, IDE should be fine unless you are planning on really pushing those servers to their limits.
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  10. #10
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    Also, if you're going to be hosting content that heavily relies on a certain type of database to function, then you might want to take a look at SCSI. But for just general "hosting" then IDE will do just fine.

  11. #11
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    Well yes, mySQL will be a major offering. I plan on a cpanel WHM setup with mySQL PHP you know, the standard Linux box setup.

    Think IDE still a good idea? I will say that about 90% of my current user base does use SQL in one form or another, but its not like any of them are keeping wal-marts inventory on the server.

    More like a simple BBS or customer management software.

    Does that change any minds?

    Regards,
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  12. #12
    If you have to choose between spending more for SCSI or sticking with, go with IDE and spend the difference on RAM. The more RAM, the better. There is a NOTICEABLE difference in performance on a Web server (Linux OR Windows) in going from 256MB to 512MB and another performance increase -- though not nearly as large -- if you can go a full GB or RAM.

    If you have a choice, go with DDR vs PC133. DDR is more expensive, but the gap is rapidly closing.
    I thank my Lord for all His wonderful blessings.

  13. #13
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    dual all the way.

  14. #14
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    > Insted of a debate, what advantages might scsi have over IDE?

    SCSI is faster. As an example I went from a SCSI shared server (300 accounts) to an IDE dedicated server (1 main account) and a perl script which writes out 100+ html files to rebuild a directory went from ~20 seconds to ~50 seconds. The new server has 1 GB of Ram and a faster CPU, so the main thing I attribute this to (other than software turning) is the disk subsystem with the 10K SCSI drive blowing away the 7200 rpm IDE drive.
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  15. #15
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    Any opinions here on 10,000 RPM SCSI drives versus 15,000 RPM drives. Its a fair price difference, but anyone actually using the Ultra 160-wide SCSI? Anybody wish they were?

    Andrew

  16. #16
    15 000 rpm drives are a lot faster, especially for databases, but I am not sure about the heat they generate in a 1u server. Regarding the interface (LVD/U160...), unless you move huge amounts of data on several drives you will notice no difference.

  17. #17
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    P4s are extreamly slow, my old P1 133mhz 24ram out does my p4 1.6ghz 512ram.
    Marcus Brown

  18. #18
    Originally posted by Theogc
    P4s are extreamly slow, my old P1 133mhz 24ram out does my p4 1.6ghz 512ram.
    Come on, you don't mean this for real!

  19. #19
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    Originally posted by Walter


    Come on, you don't mean this for real!
    Yes sir, my old 133 is a HP, which for some reason is my fav. comeputer, because of its performence.

    my 1.6 is a compaq, my most hated computer.
    Marcus Brown

  20. #20
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    I dont think a 133 is going to outperform any 1.x Ghz computer if you load the same OS etc

  21. #21
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    True, i see windows XP home edition raping my 1.6
    Marcus Brown

  22. #22
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    my 1.6 is a compaq, my most hated computer.
    Ah, that says it all

    At home here a new 1.7 Ghz seems about on par with a P3 1 Ghz with general tests. But if it's a compaq, they probably got some cardboard and hot glue jammed in the cpu slot or maybe they're using the parts they dropped on the floor while building the others
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  23. #23
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    Originally posted by panopticon

    Ah, that says it all

    At home here a new 1.7 Ghz seems about on par with a P3 1 Ghz with general tests. But if it's a compaq, they probably got some cardboard and hot glue jammed in the cpu slot or maybe they're using the parts they dropped on the floor while building the others

    LOL, see me and you know what compaqs all about.

    I support the building of your own PC! =)
    Marcus Brown

  24. #24
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    Originally posted by Theogc


    Yes sir, my old 133 is a HP, which for some reason is my fav. comeputer, because of its performence.

    my 1.6 is a compaq, my most hated computer.
    Is that because Compaq bites?
    intellec
    ....you get what you pay for and you pay for what you get....

  25. #25
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    it could be!
    Marcus Brown

  26. #26
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    Originally posted by Theogc


    Yes sir, my old 133 is a HP, which for some reason is my fav. comeputer, because of its performence.

    my 1.6 is a compaq, my most hated computer.
    ]


    Everything Ive ever owned from HP blew.

    I didn't know hp and compaq were that far apart in their assembly techniques. Less glue and cardboard at compaq perhaps?


    Originally posted by Theogc



    LOL, see me and you know what compaqs all about.

    I support the building of your own PC! =)

    Do you work at Compaq and Hp?

    just wondering.

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  27. #27
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    hes a cow lover, *cough* i mean gateway lover.
    Marcus Brown

  28. #28
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    LOL - yep, you got me!

    (yeah right)

    Custom baby! All hand-built using all the finest componetry (from the era)

    Not a patch of black and white on my machine. (except maybe the dirt smear around the power button)

    There are more computers out there than just those you see on TV.

    LOL

    (gateway...still lauging)
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  29. #29
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    could be worse, i could have called you a IBUM =)
    Marcus Brown

  30. #30
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    ...take in the refurbished part factor and stupidty factor and some fake parts i can understand that. But i never buy PCs, i just buy parts and build it. Maybe a bit more expensive but worth it. You have quality parts and u built it so u know that your cpu isnt held together with superglue. imagine that.
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  31. #31
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    my dual 1 ghz servers own single p4 1.6's
    dotGig
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  32. #32

    Single vs Dual proc

    I just wanted to chime in since no post really addressed this question.

    Single proc servers allow 1 job to process and n jobs to wait.

    Now each page request (or incoming/outgoing mail, etc) is one job.

    Dual proc allows 2 jobs to process and n jobs to wait.

    X number of processes allow X number of jobs to process and n to wait.

    I would many small procs as opposed to one large one any day as more customers/visitors can be served simultaneously. I have a dual PIII 1GHz that absolutely flys. It is the fastest box I have and it contains the slowest procs I have. For web/mail servers, this is the way to go.


    Stimpson

  33. #33
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    Stimpy,

    Brings up an interesting question. Would you go with a Quad PII Xeon with prices being so cheap? $400 or so for the motherboard and about $30 per PII 400 Mhz 1 MB cache? Very cheap and four processors. You could build the entire machine with 8 Gigs of RAM for well under $1500.

    The problem? FSB, Memory and everything else is very slow compared to the other systems being talked about in this thread.

  34. #34

    single v. dual

    A quad Xeon is in my mind a great purchase for servers.

    You are correct that the FSB is slower, but I think you won't see that slowness very dramatically. But think of the reduced load per processor. Four requests at once! Slap some drives in a RAID 5. Smooth sailing. Also remember that you have 4 proc with their own cache to handle those loads. (okay self... stop drooling).

    I don't think the FSB is that great of a limitation here. I would pounce on this.

    Stimpson

  35. #35
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    Ya, too bad the smallest quad servers are 4u (that I know of). And these are the newest. With most hosting providers, thats about $120 extra monthly. For some of those older models, your looking at more like 6u or 7u some of them seem.

  36. #36
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    120 extra? For more of their rack? We rent racks, not rack space, so maybe the smaller companies pay by the slot, but the way to go is by the half when you're starting, then the full rack, but you might be talking about one server operations.
    dotGig
    <:<: [Fruit eating linux administrator]

  37. #37
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    Yes Samuel, as of right now we are a 3u operation. Very small and rent by the u, not 1/2 rack, or full rack. Not even a web host - not yet anyway

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