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  1. #1
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    Jul 2009
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    Question about CPU load average

    I am a new VPS user. The OS is linux.

    I want to know what kind of CPU load average is reasonable, and my VPS provider will not kick me out.

    Thanks.

  2. #2
    0-2.00 is reasonable for a Dual Core system. The single-proc web server commonly runs at a load of 8.00 without much loss in responsiveness.
    Last edited by shaki22; 07-31-2009 at 05:37 PM.
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  3. #3
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    Sorry, I forget to provide the CPU info. From /proc/cpuinfo....there are 8 cpus. I guess there are 2 "quad Processors" on this server.
    So, What is a reasonable CPU load average?

    Thanks.

  4. #4
    0.00 - 1.00
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  5. #5
    Join Date
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    Quote Originally Posted by markhard View Post
    0.00 - 1.00
    Pretty much the best answer around.

  6. #6
    General rule of thumb... if it is reporting you have 16 CPU's... a load of 16 on the node is acceptable. If its reporting 8.. a load of 8 is about right. Any higher then the amount of CPU's, and depending on the application, can result in a performance hit.

  7. #7
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    0.00 to 1.00 PER CPU

    -Avital Web

  8. #8
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    Jul 2009
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    When I use "uptime"....the number displayed has already been divided by 8 or NOT?(I have 8 cpus)

    I should keep this number below 1 or below 8? It's really important to me. THANKS a lot.



    Quote Originally Posted by AquariusADMIN View Post
    General rule of thumb... if it is reporting you have 16 CPU's... a load of 16 on the node is acceptable. If its reporting 8.. a load of 8 is about right. Any higher then the amount of CPU's, and depending on the application, can result in a performance hit.

  9. #9
    Quote Originally Posted by AquariusADMIN View Post
    General rule of thumb... if it is reporting you have 16 CPU's... a load of 16 on the node is acceptable. If its reporting 8.. a load of 8 is about right. Any higher then the amount of CPU's, and depending on the application, can result in a performance hit.
    is this true? is this based on your experience or technical documents?
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  10. #10
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    Quote Originally Posted by markhard View Post
    is this true? is this based on your experience or technical documents?
    It's my experience too. A 8-core system can handle load 8 pretty easily. Above that, you should start looking into some software optimization.

    For a VPS on a 8-core node, I would say a load of 2 is quite reasonable, you can burst into 4 when needed.
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  11. #11
    let's keep at 80%

  12. #12
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    Quote Originally Posted by AquariusADMIN View Post
    General rule of thumb... if it is reporting you have 16 CPU's... a load of 16 on the node is acceptable. If its reporting 8.. a load of 8 is about right. Any higher then the amount of CPU's, and depending on the application, can result in a performance hit.
    Second this.
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