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Thread: Swap slowing down PC completely

  1. #1
    Join Date
    Jun 2007
    Location
    South Africa
    Beans
    16
    Distro
    Ubuntu 11.04 Natty Narwhal

    Question Swap slowing down PC completely

    Hi,

    I would like to know if there's a way of reducing the priority at which the memory -> swap partition and and swap partition -> memory process is running. Its not like its using too much CPU cycles, like when running the harddrive in PIO mode - it simply slows down all my applications to such an extent that they don't respond at all (fading to gray)!

    I'm on Karmic x64 with a Dell 9400 (3.2GB of RAM & 100GB SATA), using Gnome. My swap partition size is 3GB - although I've never seen it using more than 1GB.
    I'm often running 1 or more VirtualBox instances of Windows 7 or XP which takes like 1GB of RAM each. When I leave one of them inactive for a while, Ubuntu will automatically start to move its allocated memory to the swap partition, slowing my PC to such an extent that I can't even resume/end-task the inactive virtualmachine.

    I would appreciate it if someone could give me suggestions to this problem of mine.

    Thank you in advance.

  2. #2
    Join Date
    Jun 2007
    Beans
    243

    Re: Swap slowing down PC completely

    Ubuntu x86_64: AMD Turion X2 1.9ghz, 4GB RAM, 250GB HDD, NVidia 7150m
    Windows 7: AMD Phenom II x4 965 BE 3.6ghz, 8GB RAM, 1.5TB HDD, ATI Radeon HD 4870

  3. #3
    Join Date
    Jun 2007
    Location
    South Africa
    Beans
    16
    Distro
    Ubuntu 11.04 Natty Narwhal

    Re: Swap slowing down PC completely

    Thanks. I've now set swappiness to 0. I hope that its the solution I'm looking for...

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