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Thread: RAM Usage 56% Without An Application Running

  1. #1
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    RAM Usage 56% Without An Application Running

    As the thread states, I wonder why my RAM usage is about 56% without any application running. It turns to 58% while opening Firefox (with only one Tab/Page opened) and typing this post. Is there something wrong?

    My hardware is described on my signature...
    i5-750/P55-UD3P/HD4850 1GB DDR3/4GB DDR3 A-Data Ubuntu 11.04 x64 Natty/Igelle 1.0.0 DSV /Windows7 x64 (for gaming)

  2. #2
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    Re: RAM Usage 56% Without An Application Running

    With the gnome desktop on ubuntu this can happen. It's quite bloated, lots of processes doing nothing useful at all.

  3. #3
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    Re: RAM Usage 56% Without An Application Running

    If you open up system monitor and sort by RAM usage, what process(es) are actually using the RAM?

    How much RAM do you have in your system total?

  4. #4
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    Re: RAM Usage 56% Without An Application Running

    56% of 2 GB? That doesnt sound right at all. I think you are misreading some values using "free -m" in the cli. Post the results or open system monitor from system > administration > system monitor > resources.

    Im pretty sure you are including cache memory in the used %.

  5. #5
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    Re: RAM Usage 56% Without An Application Running

    Open System monitor (System -> Administration -> System Monitor) and click the Processes tab, now click View -> All Processes, then click on the Memory column twice. Does anything there looks suspicious? Here's mine for comparison:


    EDIT: My memory usage comes to 1GB, so perhaps this 56% is normal..

  6. #6
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    Re: RAM Usage 56% Without An Application Running

    Quote Originally Posted by whoop View Post
    With the gnome desktop on ubuntu this can happen. It's quite bloated, lots of processes doing nothing useful at all.
    This is not an accurate description at all.



    Notice that, on my computer, 15% is used by programs and 15% is used by cache. Your computer SHOULD be using as much memory for cache as it can.

    Open up System Monitor, go to Processes, and sort by Memory and let us know which processes are taking up too much memory. I'm guessing that standard Gnome processes will not be at the top of your list.
    Attached Images Attached Images

  7. #7
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    Re: RAM Usage 56% Without An Application Running

    Quote Originally Posted by Mazin View Post
    This is not an accurate description at all.



    Notice that, on my computer, 15% is used by programs and 15% is used by cache. Your computer SHOULD be using as much memory for cache as it can.

    Open up System Monitor, go to Processes, and sort by Memory and let us know which processes are taking up too much memory. I'm guessing that standard Gnome processes will not be at the top of your list.
    Well I've noticed other distributions with gnome using much less memory than ubuntu.

  8. #8
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    Re: RAM Usage 56% Without An Application Running

    Quote Originally Posted by Erik765 View Post
    If you open up system monitor and sort by RAM usage, what process(es) are actually using the RAM?

    How much RAM do you have in your system total?
    Sorry for the late reply as it is already 1:00 AM last night, and same again now.

    My total RAM is 2gb, swap partition also 2 GB

    I was surprised now after my first boot today, my RAM usage is now only 36%, with only 1 tab of Firefox running.

    I have opened many video streams last night and after closing them, my RAM was still up to 58% usage (never noticed though what was the actual RAM usage while I streamed the videos).

    Is it possible that the free-up of RAM is slow after closing the applications?

    Is there a command to manually free-up the RAM?
    i5-750/P55-UD3P/HD4850 1GB DDR3/4GB DDR3 A-Data Ubuntu 11.04 x64 Natty/Igelle 1.0.0 DSV /Windows7 x64 (for gaming)

  9. #9
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    Re: RAM Usage 56% Without An Application Running

    Quote Originally Posted by P4man View Post
    56% of 2 GB? That doesnt sound right at all. I think you are misreading some values using "free -m" in the cli. Post the results or open system monitor from system > administration > system monitor > resources.

    Im pretty sure you are including cache memory in the used %.
    Here is the "CURRENT" screenshot of my RAM usage Tofay. I was surprised that my first boot now it only shows about 38% usage. Last night I streamed many videos but after I closed them, the RAM usage was about 58%.
    Attached Images Attached Images
    i5-750/P55-UD3P/HD4850 1GB DDR3/4GB DDR3 A-Data Ubuntu 11.04 x64 Natty/Igelle 1.0.0 DSV /Windows7 x64 (for gaming)

  10. #10
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    Re: RAM Usage 56% Without An Application Running

    Quote Originally Posted by ProNux View Post
    Sorry for the late reply as it is already 1:00 AM last night, and same again now.

    My total RAM is 2gb, swap partition also 2 GB

    I was surprised now after my first boot today, my RAM usage is now only 36%, with only 1 tab of Firefox running.

    I have opened many video streams last night and after closing them, my RAM was still up to 58% usage (never noticed though what was the actual RAM usage while I streamed the videos).

    Is it possible that the free-up of RAM is slow after closing the applications?

    Is there a command to manually free-up the RAM?
    The data stays cached in ram until something else needs it. Nothing to worry about. As you mention, rebooting makes the ram usage go back down.

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