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  • 21-12-2003 12:14am
    #1
    Anima
    Registered Users Posts: 3,945 ✭✭✭


    Hey,

    Recently i heard that if you have over 512 mb ram you should turn off the page file for an extra performance boost. So i was wondering if it was true or are there any side effects?

    I'm running win2k with 1 gig of ddr ram btw.


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    #2
    OfflerCrocGod
    Registered Users Posts: 6,317 ✭✭✭OfflerCrocGod


    Ye go ahead with one gig you should have no prob you should get a little boost from not needing your HDD for swaping dont put it to 0 MB in Windows put it to 10MB cause Windows tends to change 0MB to default again.


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    #3
    Anima
    Registered Users Posts: 3,945 ✭✭✭Anima


    If i put it to 10 will it not give me "run out of virutal memory" errors? Also when i get into windows it gives me a big popup saying i have no pagingfile, can i get rid of this?


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    #4
    Mutant_Fruit
    Closed Accounts Posts: 4,943 ✭✭✭Mutant_Fruit


    theres a setting that you can change that makes windows use ram (right up to the last kilobyte) before touching paging file. Enable that. Unfortunately i cant remeber wherei saw it.


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    #5
    OfflerCrocGod
    Registered Users Posts: 6,317 ✭✭✭OfflerCrocGod


    It will not give you those errors unless you actually run out of RAM - and at 1GB I wouldn't worry to much about it, that error I've never seen it before so I can't help you there:(.


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    #6
    ColmOT [MSFT]
    Closed Accounts Posts: 545 ✭✭✭ColmOT [MSFT]


    It's really not a good idea to disable the pagefile.

    The perf boost that you'll see won't be noticable at all, and as a consequence, if your machine crashes, you won't get a dump file or error info.


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    #7
    PhoenixRising
    Closed Accounts Posts: 790 ✭✭✭PhoenixRising


    I've recently added 256MB of RAM to my PC to bring it up to 512MB. I have the paging file set to "system managed" at the moment. What would be a typical paging file size for a P4 system with 512MB of RAM ? At the moment with system managed paging file, the paging file is set at 766MB. That seems a bit big ?


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    #8
    OfflerCrocGod
    Registered Users Posts: 6,317 ✭✭✭OfflerCrocGod


    Nope for system managed 776Mb is proper it's meant to be between 1.5 and 2 times the amount of actual physical memory, you could turn it down to 256-512Mb no prob.....I wouldn't recommend turning it off all together unless you get 1Gb of RAM.


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    #9
    PhoenixRising
    Closed Accounts Posts: 790 ✭✭✭PhoenixRising


    Ok, that's great. Thanks for the info.


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    #10
    ColmOT [MSFT]
    Closed Accounts Posts: 545 ✭✭✭ColmOT [MSFT]


    If you set your pagefile to a static size of about 2x your RAM (preferable on a different controller than your OS), you'll have the most optimum pagefile configuration.


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    #11
    CivilServant
    Registered Users Posts: 2,005 ✭✭✭CivilServant


    Hows that now? Surely paging RAM is much faster than paging the hard drive. Thus have 1 gig of RAM and a small page file would benefit performance cos the system would be using virtual memory a lot less.


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    #12
    ColmOT [MSFT]
    Closed Accounts Posts: 545 ✭✭✭ColmOT [MSFT]


    You don't page data to RAM. You can only do that if you have a RAM drive configuration.

    Windows uses demand paging to page 'pages' out to the HD
    This is data that the system doesn't immediatly need.
    Users who have a gig of RAM generally use that gig of RAM, so a pagefile is normally necessary.

    Otherwise you'll get Out of Memory errors when you approace your RAM limit.


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