Best Bernel (configs) For Hlds/ns?

JirikiJiriki retired ns1 player Join Date: 2003-01-04 Member: 11780Members, NS1 Playtester, Squad Five Silver
edited June 2005 in Linux Server Support
<div class="IPBDescription">Name yours</div> So I read the pinned CPU-performance topic but that was rather confusing and there were conflicting statements. So which kernel and which configs are best for ns?

I'd also like to know which HZ-value is the best and whether to turn "Preemptible Kernel" on/off. And some sysctl-tweaks'd be nice too. <!--emo&:p--><img src='http://www.unknownworlds.com/forums/html/emoticons/tounge.gif' border='0' style='vertical-align:middle' alt='tounge.gif' /><!--endemo-->

For the kernel I wonder which pachset should I use. Currently I'm using gentoo's own. I'd like to install a named patches rather than 20 different patches. <!--emo&:p--><img src='http://www.unknownworlds.com/forums/html/emoticons/tounge.gif' border='0' style='vertical-align:middle' alt='tounge.gif' /><!--endemo-->

Thanks. <!--emo&:)--><img src='http://www.unknownworlds.com/forums/html/emoticons/smile-fix.gif' border='0' style='vertical-align:middle' alt='smile-fix.gif' /><!--endemo-->
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Comments

  • VadakillVadakill The Almighty BSO Join Date: 2002-04-02 Member: 373Members, NS1 Playtester
    I use Hz setting of 200 on my server. To each his/her own however. I have a guide on my site which covers changing the hz setting in the linux kernel for Fedora Core systems. Since you are a gentoo man you should be able to figure out how to relate it to your setup.

    See my sig for my guide website.
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  • JirikiJiriki retired ns1 player Join Date: 2003-01-04 Member: 11780Members, NS1 Playtester, Squad Five Silver
    edited June 2005
    I'm fully aware how to configure kernel. It's not that. I need settings and values for them. <!--emo&:p--><img src='http://www.unknownworlds.com/forums/html/emoticons/tounge.gif' border='0' style='vertical-align:middle' alt='tounge.gif' /><!--endemo-->

    In the pinned topic there was this:
    <!--QuoteBegin--></div><table border='0' align='center' width='95%' cellpadding='3' cellspacing='1'><tr><td><b>QUOTE</b> </td></tr><tr><td id='QUOTE'><!--QuoteEBegin-->HZ settings should be 1000 or atleast 500, this is due to the fact that HL needs more clock cycles that a db server.  So, in short, turn off pre-emption, bump HZ to 1000, enable "Use register Arguments", :MTRR support",  use ACPI if you have it.<!--QuoteEnd--></td></tr></table><div class='postcolor'><!--QuoteEEnd-->

    But your guide tells me to lower my HZ (which hopefully helps, since now I have 1000 and a laggy server).

    I'm not sure about pre-emption either.

    There're other users on the server so I can't boot it all the time. <!--emo&:p--><img src='http://www.unknownworlds.com/forums/html/emoticons/tounge.gif' border='0' style='vertical-align:middle' alt='tounge.gif' /><!--endemo-->

    Thanks for the great guides. I'm not noob in linux or with hlds but it's really strange when the hlds lags after a fresh install. And it didn't before.
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  • VadakillVadakill The Almighty BSO Join Date: 2002-04-02 Member: 373Members, NS1 Playtester
    You can do whatever you want, I'm just telling you what works for me. I do not use preemption.
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  • JirikiJiriki retired ns1 player Join Date: 2003-01-04 Member: 11780Members, NS1 Playtester, Squad Five Silver
    Yaeh! That's what I want to know: what works for you! <!--emo&:p--><img src='http://www.unknownworlds.com/forums/html/emoticons/tounge.gif' border='0' style='vertical-align:middle' alt='tounge.gif' /><!--endemo-->
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  • biomassbiomass Join Date: 2003-03-15 Member: 14535Members, Constellation
    <!--QuoteBegin-Jiriki+Jun 6 2005, 06:45 PM--></div><table border='0' align='center' width='95%' cellpadding='3' cellspacing='1'><tr><td><b>QUOTE</b> (Jiriki @ Jun 6 2005, 06:45 PM)</td></tr><tr><td id='QUOTE'><!--QuoteEBegin--> In the pinned topic there was this:

    But your guide tells me to lower my HZ (which hopefully helps, since now I have 1000 and a laggy server). <!--QuoteEnd--> </td></tr></table><div class='postcolor'> <!--QuoteEEnd-->
    You say your server lag but you don't give much info on what actually is lagging.

    Does the ping increase substantially ?
    What hardware are you using ?
    Does the models freeze and start jumping around without cause ?
    Are you using pingboost ?
    What's your cpu usage when the lag occurs ?

    Just a few small questions that might get you closer to a real answer.
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