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Will moving Mysql to another server reduce load?

Discussion in 'Workarounds and Optimization' started by craigedmonds, Jan 17, 2011.

  1. craigedmonds

    craigedmonds Well-Known Member

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    I have a dedicated server which sells shared server space and its running WHM/Cpanel and maybe a couple of times a day the load shoots up to 25+ and I have a script which stops httpd and then restarts when load is back down to 8. The httpd service is only down for 60 seconds or so, not much more but its a bit annoying when it happens.

    The server has quite a few sites on it, maybe 250 or so, varying from wordpress, static etc. The sites are delivered very fast but whilst running TOP - C in SSH I can see mysql user at 6% then 25% then 80% then 33% etc so its fluctuating all over the place.

    Its very difficult to establish exactly which user is causing loads but I am wondering if I should move the mysql databases over to a separate Cpanel server.

    Would this reduce the load significantly? I am assuming that some of the load is from users using the mysql service.

    Thoughts anyone?
     
    #1 craigedmonds, Jan 17, 2011
  2. rrwh

    rrwh Well-Known Member

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    first thing to do is to tune mysql if you have not already done so.
     
    #2 rrwh, Jan 19, 2011
  3. LinuxTechie

    LinuxTechie Well-Known Member

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    Hello,

    You can found which database queries are higher using the command mysqladmin pr. A fine tuning will resolve the issue.
    After that only you need to think about a database server.
     
    #3 LinuxTechie, Jan 23, 2011
  4. cPanelTristan

    cPanelTristan Quality Assurance Analyst
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    Hello Craig,

    We have a script on the 11.28+ machines that you can run to get suggestions for MySQL Optimization:

    Code:
    /usr/local/cpanel/3rdparty/mysqltuner/mysqltuner.pl
    You can simply run that and wait for the output. Any suggestions it provides would be placed into /etc/my.cnf file. I'd suggest running that script once every 24 hours for a few days, then tweaking using the suggestions at that time to see the results.

    I also have a MySQL Optimization presentation that I did at our cPanel Conference last year - MySQL Optimization | cPanel Video Site

    Thanks.
     
    #4 cPanelTristan, Jan 23, 2011
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