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JRUN and Windows Virtual Memory - Coldfusion Server Administration

Does anyone know why JRUN uses such a large amount of virtual memory and where does it get its settings from? I have one server using only 184MB of peak physical memory and yet it has 574MB of virtual memory. I've set the "Minimum JVM Heap Size (MB)" and "Maximum JVM Heap Size (MB)" to 512MB. I would assume from CF Admin that JRUN would start running at 512MB. It's not clear if the JVM setting is physical memory (I thought it was) or physical and virtual (like Windows does). Either way, I'm curious why CF doesn't just use the ...

  1. #1

    Default JRUN and Windows Virtual Memory

    Does anyone know why JRUN uses such a large amount of virtual memory and where
    does it get its settings from? I have one server using only 184MB of peak
    physical memory and yet it has 574MB of virtual memory. I've set the "Minimum
    JVM Heap Size (MB)" and "Maximum JVM Heap Size (MB)" to 512MB.

    I would assume from CF Admin that JRUN would start running at 512MB. It's not
    clear if the JVM setting is physical memory (I thought it was) or physical and
    virtual (like Windows does). Either way, I'm curious why CF doesn't just use
    the 512MB like I had configured the JVM.

    mprest Guest

  2. #2

    Default Re: JRUN and Windows Virtual Memory

    The Heap Size doesn't include the Permanent Generation size, so you're actually talking Heap+Perm=574

    At least that's my understanding.

    Andy
    xentrix Guest

  3. #3

    Default Re: JRUN and Windows Virtual Memory

    mprest: Where are you adjusting the JVM memory settings for JRun?
    lnagy Guest

  4. #4

    Default Re: JRUN and Windows Virtual Memory

    nvm found it in JMC
    lnagy Guest

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