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Server load ! How much can it be ?

Discussion in 'General Discussion' started by tomnikz, Sep 9, 2003.

  1. tomnikz

    tomnikz Member

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    Hi Guys,
    I have an extremely simple question. But the answer is not yet known to me.. :mad:

    Question : What can be the maximum safe limit for the server load ?

    I searched and got drunk by google... Any help ;)

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  2. ciphervendor

    ciphervendor Well-Known Member

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    Your servers load should not exceed the number of processors you have during peak times of traffic. i.e. if you have 2 processors your load shouldn't stay over 2 for extended periods of time.

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  3. tomnikz

    tomnikz Member

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    Oh.. my Gosh..

    Hi ciphervendor,
    The server load gets as high as 2.3 at times for even my home computer !:(

    And with the server catering soooo much of requests.. I do believe something as high as 3 is negotiable. What I wanted was a number above 3 that is still safe :(

    Any suggestions ??

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  4. keyDet79

    keyDet79 Well-Known Member

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    Re: Oh.. my Gosh..

    Yes, should be fine as long as the average is below 1, otherwise you will have problems. So it can go over 3 at a peak and after it it can slowly drop below 1 because the CPU will catch up on all processes. I've seen average (long period) loads of 20 and 40 on a dual xeon 2.4, it froze once a day at around 30 average, was restarted and boom, went over 20 and ran just fine for the rest of the day. It was doing a lot of php and pics (adult). Also had an overloaded athlon 2600 at around 3, crashed once a day, but it might have been the hardware.

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  5. dadman

    dadman Member

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    Running a lot of Email?

    If you are running the mail queue with a number of lists then you can see spikes of up to 50 or 60 and still have the server operational, slow, but still there.

    If mail is what is causing the problem, which if you are seeing large spikes it probably is, add the directive "split_spool_directory" to your exim config and it will help to control the spikes.

    If the server is consistantly over 2 for extended periods of time then you might have other issues.

    dadman

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