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Thread: How would I restrict RAM for one application?

  1. #1
    6tr6tr NNTP User

    Default How would I restrict RAM for one application?


    I need to develop some software for an environment that has a LOT less
    RAM than our computers here do. We could spend money to buy a ****
    computer to test it on but it would be much more useful/efficient if I
    could test it on the same computer but just restrict how much RAM it
    gets. Is there a way to do that?

    And in a similar vein: is there a way to also make the processor appear
    slower in executing that application as well?


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  2. #2
    ken yap NNTP User

    Default Re: How would I restrict RAM for one application?


    You can specify the amount of RAM the machine is allowed to use, in the
    boot parameters, e.g.

    > mem=512M


    You would type in this parameter at the GRUB menu.


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  3. #3
    didencool NNTP User

    Default Re: How would I restrict RAM for one application?


    why you could not use virtual machine for this? any xen virtualbox qemu
    or vmware?
    afaik this is main thing why they was developed...


    --
    Linux 2.6.25.16-0.1-pae openSUSE 11 i386
    #1KM400|Athlon|RAM2GB|FX5200
    #2 nforce2|Athlon|Radeon9200|RAM1GB
    #3 laptop ASUS x51r|Xpress1100|512MB
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  4. #4
    6tr6tr NNTP User

    Default Re: How would I restrict RAM for one application?


    didencool;1903149 Wrote:
    > why you could not use virtual machine for this? any xen virtualbox qemu
    > or vmware?
    > afaik this is main thing why they was developed...


    I thought of that, the only thing is, in developing, you want to make
    the environment as similar as possible so you don't introduce new
    variables that might lead to issues which are different from the env.
    you'll run it in or hide other issues. Running in virtualization is not
    100% similar in terms of how the OS works with the hardware. It's
    probably not an issue, but always something to be wary of...


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  5. #5
    didencool NNTP User

    Default Re: How would I restrict RAM for one application?


    you should not explain me I am not a programmer and I did not
    understand a difference. It was just a suggestion... my friend use VM as
    a different platforms for compilling... So from this was my post...


    --
    Linux 2.6.25.16-0.1-pae openSUSE 11 i386
    #1KM400|Athlon|RAM2GB|FX5200
    #2 nforce2|Athlon|Radeon9200|RAM1GB
    #3 laptop ASUS x51r|Xpress1100|512MB
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