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  1. #1
    Join Date
    Apr 2011
    Posts
    41

    * 4x 2.3Ghz or not?!

    Well... i've ordered a server @ server4you, and on specs it says:

    CPU
    Type AMD Athlon™ II X4
    Quantity Quad-Core
    Clock Rate 4x 2.3 GHz

    BUT, when I go to server information on cpanel, it shows up 1 core with 2.3Ghz, and 3 with 800Mhz.
    Is this normal !?!?!

  2. #2
    Join Date
    Aug 2007
    Location
    Datacenter
    Posts
    4,414
    I think the other cores are clocked 'back' in the BIOS.
    On the Intel CPU's it's called "Intel Speedstep", most likely the same thing happens here with AMD.
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  3. #3
    Sometimes, cpanel is wrong. However the best way to check would be within root, to check the proc speed and get info type "cat /proc/cpuinfo"
    If it is still the same, contact your data center

  4. #4
    Join Date
    Apr 2011
    Posts
    41
    Quote Originally Posted by CraterHost View Post
    Sometimes, cpanel is wrong. However the best way to check would be within root, to check the proc speed and get info type "cat /proc/cpuinfo"
    If it is still the same, contact your data center
    Well... cpanel is wrong, but at a upper case

    cat /proc/cpuinfo returns all cores @ 800Mhz

  5. #5
    Put some load on the server and then check. It's probably just underclocking when idle to save power.
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  6. #6
    Join Date
    Apr 2011
    Posts
    41
    loadavg is over 1.00, because raid is making the mirror between drives...

  7. #7
    service cpuspeed stop
    chkconfig cpuspeed off

  8. #8
    Join Date
    Apr 2011
    Posts
    41
    Quote Originally Posted by hostitek View Post
    service cpuspeed stop
    chkconfig cpuspeed off

    Thank you

  9. #9
    Join Date
    Sep 2007
    Location
    TEXAS
    Posts
    33
    hah straight to the point advice

    anywho,

    it's a power saving feature.

    They are showing a lower clock because there were't much programs running. your load 1.0 is because you're probably doing software raid and it's single threaded and cant/doesnt utilize all 4 cores.

    like the advice above, i would've run a few benchmarks then check your cpu usage, it should show all cores running.
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  10. #10
    Join Date
    Apr 2011
    Posts
    41
    so do you recommend to activate cpuspeed ?

  11. #11
    Join Date
    Mar 2003
    Location
    chicago
    Posts
    1,781
    you should leave the power settings on there is no need to waste power when its un needed.

    there is a reason cool & quite is enabled by default on almost every board.

  12. #12
    Join Date
    Sep 2007
    Location
    TEXAS
    Posts
    33
    imo, i would turn it on just to be a nice guy to earth lol.

    test it with a cpu benchmark app and check your loads
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  13. #13
    Quote Originally Posted by bmiguel84 View Post
    so do you recommend to activate cpuspeed ?
    Yes, I would allow this to run. The only disadvantage to it, is it makes it harder to figure out what your cpu usage is. I.E. if it looks like you're at 50% cpu utilization, but the cores are clocked down, you'll wrongly assume that your server is working really hard, when really you're only at about 25% cpu utilization.

    To solve this issue, I had a cacti plugin built for me that would graph the cpu speed in the same graph as the cpu usage, so I could see if the cpu speed maxed out when the server was under heavy load and also to get a better idea for how much spare cpu power I really had. Turns out the cpu speed is pretty good about clocking up when it should be doing so.
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