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  1. #1

    * Sleeping processes consuming RAM...


    Question about memory usage on a genuine 550.

    As my server had 98% memory usage, and 7% swap with 384MB of RAM, I decided to upgrade to 1gig.

    A few moments later I ended up again with 97% memory usage...

    When I run 'top', I see
    CPU states: 0.0% user, 1.1% system, 0.0% nice, 98.8% idle
    Mem: 1031036K av, 1004984K used, 26052K free, 0K shrd, 0K buff
    Swap: 524536K av, 2932K used, 521604K free 686220K cached

    A quick count tells me that about > 500 MB is going to httpd's, caspeng's, MySQLd's, which are in status Sleep.

    Is this normal? (like the raq uses all its memory to speed up things) Or how can I tell to use less processes, or free some sleeping processes?

    At first sight, I don't have a script leaking somewhere..

    For the real IT folks:
    running MySQL 4.0.24, Apache 1.3.29, PHP5.0.4

    Thanks for your help!

  2. #2
    Join Date
    Nov 2002
    Unix systems use RAM to cache frequently requested info. You want your RAM to be used -- why pay for it and have it sitting unused in the server??

    95%+ utilization is perfectly normal, and means your apps are working the way they are supposed to. - LAMP and LAMP+SSL HowTo - Cobalt FAQs and HowTos

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