asking for idea about cloud technology feed

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  • steven_elvisda
    replied
    hello Richard, could you give me detail when it is 100 sites and when it will be 1000 sites? sorry for dummy question.

    Leave a comment:


  • steven_elvisda
    replied
    Hello Richard Hordern,

    very thanks your so much for your detail explain.

    Best Regards,
    Steve.

    Leave a comment:


  • clm
    replied
    Yes, its not easy to understand at first

    At the moment 100% is all of your CPUs added together

    In the future 100% will be 1 CPU

    For the moment you have to decide how much CPU you want to allow each site to use (1CPU, 1/2CPU…) and then work out the percentage based on how many cores you have got.

    If you want to allow 1/2 a CPU

    You have got 8 CPUs

    8 CPUs => 100%
    1 CPU => 100/8 = 12.5%
    0.5CPU => 6.25%

    You can only use 1% intervals so currently you would either choose 6% or 7%

    In the future you will be able to choose 50% for half a CPU. It should make things a bit easier and it will make things more accurate when we have many CPUs on a server.

    Another example, if for a site you want to allow 2CPUs you would set :

    Percentage : 25 %
    nCPU : 2

    If you want to allow 30% of total CPU you would have to set :

    Percentage : 30 %
    nCPU : 3

    This is because 2CPUs represent 25% so to give access to the remaining 5% you would need to give access to a third CPU.

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  • steven_elvisda
    replied
    hooo,

    sorry that is confusing for me how to use cpu percentage.

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  • clm
    replied
    I was just saying that if you set ncpu to 1 then 12.5% CPU is the maximum you will be able to use and not 25% in order to use 25% you need to set ncpu to 2

    The default setting of 25% is for smaller servers then yours.

    Leave a comment:


  • steven_elvisda
    replied
    Hello Richard Hordern,

    currently, I use default of clould linux which had been set, and just increase I/O limit to 5120KBps.

    thanks for reply me Richard,

    Leave a comment:


  • clm
    replied
    Hi,

    25% is of the total CPU ressources.

    Youve got 8 x 3.3GHz theads how much CPU to you want to allow each user ?

    the nCPU is how many threads each user can use, so youre actually limiting your users to 1CPU and not 25% (100% / 8 = 12.5%)
    Some hosts set the limit around 1Ghz others 2 or more… Id try setting your CPU limits between 6 and 8%

    The number of sites you will be able to host will depend on how much ressources each site uses.

    The answer is anything between 100 and 1000 sites…

    Leave a comment:


  • steven_elvisda
    started a topic asking for idea about cloud technology feed

    asking for idea about cloud technology feed

    Dear All,

    Below is my fully specification of my server:

    CPU 3.30GHz Core 4, Thread 8
    RAM 32GB
    HDD 2TB SATA III
    Cloud Linux + Cpanel
    Apache + php fcgi + Eaccelerator

    Default Cloud configuration

    CPU 25%
    nCPU 1
    vmem 1024MB
    pmem 1024MB
    EP 20
    nPROC 20
    I/O Limit 1024KB/s

    can all of you help me to estimate
    how many client could I host on this server.

    due Im new with cloud linux technology.

    Best Regards,
    Steve.
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