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Thread: Is my memory usage normal?

  1. #1

    Default Is my memory usage normal?

    Brand new install of OpenSuSE 42.2 on a laptop with 16GB of memory.

    After logging and the system is using/allocated 12GB of the 16GB - is this normal?

    total used free shared buffers cached
    Mem: 15G 12G 2.9G 22M 62M 972M
    -/+ buffers/cache: 11G 3.9G
    Swap: 2.0G 0B 2.0G


  2. #2
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    Default Re: Is my memory usage normal?

    You actually have 4GB in use and the rest are in buffers / cache.

    So yes, it's normal - cache memory is released when an application needs it.
    .: miuku #suse @ irc.freenode.net
    :: miuku@opensuse.org

    .: h​ttps://download.opensuse.org/repositories/home:/Miuku/

  3. #3
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    Default Re: Is my memory usage normal?

    Looks fine. Linux hates unused memory and will use for cache if not needed for programs. It will be released for programs as needed

  4. #4

    Default Re: Is my memory usage normal?

    Thank you both!

  5. #5
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    Default Re: Is my memory usage normal?

    It seems to me excessive.
    I have 8Giga and just arrived at the Desktop occupy 350 mega

  6. #6
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    Default Re: Is my memory usage normal?

    Quote Originally Posted by V_idocq View Post
    It seems to me excessive.
    I have 8Giga and just arrived at the Desktop occupy 350 mega
    My server, immediately after a reboot.
    Code:
    salt:/home/knurpht # free -h
                  total        used        free      shared  buff/cache   available
    Mem:           3,9G        600M        2,8G         33M        495M        3,0G
    and after only two days of running
    Code:
    free -h
                  total        used        free      shared  buff/cache   available
    Mem:           3.9G        743M        134M         36M        3.0G        2.8G
    linux likes to use RAM as much as possible since it's the fastest way to cache/buffer bits and pieces.
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  7. #7
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    Default Re: Is my memory usage normal?

    Quote Originally Posted by Knurpht View Post
    linux likes to use RAM as much as possible since it's the fastest way to cache/buffer bits and pieces.

    I agree but look here https://forums.opensuse.org/showthre...73#post2828673

    12 giga used on 15 giga is not a normal behavior.

    My Deskto , immediately after a reboot.

  8. #8
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    Default Re: Is my memory usage normal?

    Linux will use nearly all unused memory for cache. It is the way it is designed.

  9. #9
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    Default Re: Is my memory usage normal?

    Quote Originally Posted by V_idocq View Post
    12 giga used on 15 giga is not a normal behavior.
    You're wrong.

    If he's been moving files or there has been any indexing activity, the buffers/cache would be reserved.

    Also his system is not using 12GB, how is this so ****ing hard for people to realise. It surfaces every other god **** week.
    .: miuku #suse @ irc.freenode.net
    :: miuku@opensuse.org

    .: h​ttps://download.opensuse.org/repositories/home:/Miuku/

  10. #10
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    Default Re: Is my memory usage normal?

    So you are saying that occupying 12 giga at boot is normal behavior ?

    Then I'm wrong

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