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  1. #1
    Join Date
    Aug 2008

    VPS: What's using all my RAM?

    I'm running a vB forum (, and my VPS has the following specs:

    ~666MHz CPU
    512MB RAM
    CentOS 5.3 64-bit

    In my VPS control panel, it's saying that I'm using around 350MB to 450MB RAM - this is 24/7, it never goes below 350MB. At the moment all I'm running is a vB forum, that doesn't have many memory consuming plugins (such as no shoutbox at the moment).

    Is it normal for a vB forum to use so much RAM? Is there any way that I can find out what's using the RAM?

  2. #2
    Join Date
    Jun 2006
    Just depends...The OS is probably using 100MB or so. If Apache isn't optimized then it could use 70+MB per process. This is quite possible.
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  3. #3
    Join Date
    Jun 2009
    You have SSH access right? If so, log on and run the following command:
    This will give you the processes using the most memory. - Quality Hosting. Affordable Prices.
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  4. #4
    Join Date
    Jun 2003
    World Wide Web
    Memory usage depends, But you can tweak your services to avoid abnormal use of memory.

    You can use the following commands to view the memory usage

    1) top -c ( Shift+M ) will sort the process by Memory Usage

    2) ps auxf , will give the details of all the process that are currently running.

    Also you can confirm the memory usage using " free -m " - the name says it all!
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  5. #5
    That RAM usage is pretty normal for your configuration.
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  6. #6
    Join Date
    May 2009
    On a Speck!!!!!
    You can make performance tweaks in Apache and Mysql configuration to reduce RAM usage considerably.

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