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FreeBSD Kernel Options

Discussion in 'General Discussion' started by stevewalsh, Jun 16, 2005.

  1. stevewalsh

    stevewalsh Member

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    I'm building up our first FreeBSD based Cpanel server, and was wondering if any of the experienced hands could provide some feedback as to what Kernel options I should include.

    I've already enabled quotas and increased NMBClusters, so if there is anything else I should know/be aware of that people can highlight, it would be greatly appreciated.

    Intel Dual EM64T Xeon
    FreeBSD 5.4-Release 64-bit


    Steve
     
  2. echo_bg

    echo_bg Active Member

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    FreeBSD and cPanel

    Hey there,

    Will be nice to exchange experience. I am doind the same as you are - installing on FreeBSD for first time. If you have a questions - just ask.

    regarding the kernel options - the only thing you will need to install is the quota option. Nothing else. Ofcource if you want and you are going to need one you can set the pf or ipfw options.
     
  3. stevewalsh

    stevewalsh Member

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    Thanks. Only other change I made was for

    OPTIONS NMBCLUSTERS set this to a high number , LINT has 1024, but, I've set some of our high volume servers to 16384

    OPTIONS NMBUFS, 4 Times your NMBCLUSTERS.

    Basically, those options will help out things when your server does tons of traffic.

    BTW, what version of FreeBSD are you running on your server?
     
  4. hicom

    hicom Well-Known Member

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    To be honest with you, alot of BSD people I met said leave the BSD Kernel the way it is unless you're running a VERY VERY heavy traffic site.

    It seems the BSD Kernel works flawless and scales very well even on large sites, so I'd suggest you leave it as it is.

    check this article though:

    http://silverwraith.com/papers/freebsd-tuning.php
     
  5. kickedmydog

    kickedmydog Well-Known Member

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    What is heavy traffic?


    What is heavy traffic considered?
     
  6. hicom

    hicom Well-Known Member

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    Heavy traffic I think is couple of million unique visitors a day :)
     
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