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Thread: Memory Leak?

  1. #1
    Join Date
    Mar 2011
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    Kubuntu 13.10 Saucy Salamander

    Memory Leak?

    Hello Everyone,
    I am having a problem with Ubuntu taking up far too much ram. I disabled everything that I have up when I boot up and I am using 800 mb of ram, out of 2 GB. I have two screenshots of my system monitor underneath, but by the time those were taken, the ram went up to around 1GB.

    Also, when I ran the command free -m I got the following response:
    Code:
                 total       used       free     shared    buffers     cached
    Mem:          2002       1937         64          0         80       1062
    -/+ buffers/cache:        795       1206
    Swap:         5721          0       5721
    After I used the command, the memory went a hundred megabytes up as I opened a screenshot utility to take the image.

    Once I get up to 1.8 Gigabytes of ram and my computer switches to swap, the computer runs very slow.

    I am using Ubuntu 12.10 with a home-built Asus M2N68 AM + Motherboard with 2 GB of ram, a Nvidia G210 Graphics card with 1 GB of ram, so I do not think that Graphics memory is causing it. I have tried KDE, Gnome Shell and Unity and I always get the same response. Is there some sort of memory leak in my system?

    I also have a Asus 1005HAB netbook and what is funny is that it uses only 378 MB of ram while idling.

    Thank you for all your help,

    Jspike397
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  2. #2
    ahallubuntu is offline Chocolate-Covered Ubuntu Beans
    Join Date
    Jul 2005
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    Re: Memory Leak?

    This sounds normal. The kernel uses up all available RAM and caches everything else, to try to improve performance. (see the 1062MB of cache?) The more windows you open, the more RAM it will use; close them and most of that should be reclaimed.

    Now, at idle, your RAM use shouldn't keep increasing on its own.

  3. #3
    Join Date
    Mar 2011
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    Kubuntu 13.10 Saucy Salamander

    Re: Memory Leak?

    Ahallubuntu,
    Thank you for your quick reply. I have one question still. Does my netbook also do this, because of the VERY low amount of RAM that it shows when I run the free -m command? I previously read this online, but I am still very confused because of the ram used idle n the netbook. It seems like it does not cache things as much as my Desktop then. I have the same amount of RAM on both systems.

    Thanks,

    Jspike397

  4. #4
    Join Date
    Oct 2009
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    Ubuntu 12.04 Precise Pangolin

    Re: Memory Leak?

    You have 1.2GB of RAM free according to free -m. You are fine.
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  5. #5
    Join Date
    Mar 2011
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    Kubuntu 13.10 Saucy Salamander

    Re: Memory Leak?

    Thank you for your advice. If this is not abnormal. I got confused with the Netbook's amount of ram compared to the Desktop computer. Thank you again.

    Jspike397

  6. #6
    Join Date
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    Ubuntu 14.04 Trusty Tahr

    Re: Memory Leak?

    Always a good read on RAM usage in Linux...

    Help! Linux ate my RAM!

    http://www.linuxatemyram.com/

  7. #7
    Join Date
    Mar 2011
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    Kubuntu 13.10 Saucy Salamander

    Re: Memory Leak?

    Thank you for your help. That was a very helpful article. I think I solved my original problem so I will now mark the thread as solved.

    Jspike397

  8. #8
    Join Date
    Dec 2006
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    Ubuntu 14.04 Trusty Tahr

    Re: Memory Leak?

    Quote Originally Posted by jspike397 View Post
    Thank you for your help. That was a very helpful article. I think I solved my original problem so I will now mark the thread as solved.

    Jspike397
    You're welcome.


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