Questions related to memory usage related to RAM, swap; issues expansion, in Ubuntu.

learn more… | top users | synonyms

7
votes
3answers
911 views

How do I throttle a command in a terminal window?

I needed to run convert with a lot of images at the same time. The command took quite a while but this doesn't bother me. The issue is that this command rendered my computer unusable while the ...
17
votes
4answers
8k views

How to know each TAB memory usage ?

Hi, is it possible to know that, if Firefox or any browser is opened, whats the amount of memory taken up by each TAB of web-browser ? I am just curious to know.
1
vote
1answer
43 views

Software to track application profile

I am developing a software for number theory investigation, and I am suspicious that is leaking memory. It would be very nice to log the CPU, and RAM usage of this program through some application. ...
5
votes
2answers
917 views

Is Chromium GTK+ theme lighter than the others?

Or is it heavier? What other aspects could one consider here beside aesthetics?
3
votes
3answers
5k views

Why is my /dev/loop0 showing full?

I have sufficent memory , but somehow I get my /dev/loop0 showing usage of 9 GB here's my df-h. Filesystem Size Used Avail Use% Mounted on /dev/loop0 12G 10G 1.4G 88% / udev ...
3
votes
1answer
252 views

Where is my ram?

I have 2GB installed on my machine running Ubuntu 12.04. After some time of use, I see much of my RAM used. The RAM does not free enough even though I closed all my programs. I included 2 ...
2
votes
1answer
103 views

How to move packages from the live image to a pool on the disc?

Currently I'm using UCK and trying to make Edubuntu 12.04.1 DVD launch installer on 256Mb RAM: How to install Edubuntu on a system with low memory (256 Mb)? I was reading release notes for 12.10 and ...
2
votes
1answer
760 views

Ubuntu not displaying full 4GB memory on 64bit installation! [duplicate]

Possible Duplicate: Why does Ubuntu only show 3GB of RAM? My Ubuntu install is no using 100% of the memory installed. lsb_release -a No LSB modules are available. Distributor ID: Ubuntu ...
3
votes
2answers
2k views

Used memory in Linux? [duplicate]

Possible Duplicate: How can I monitor the memory usage? I see in System Monitor, used memory only 332MB, so free memory is ~3.4GB, but when I use command line: free -m, used memory is 1GB, ...
1
vote
1answer
661 views

Normal RAM usage for Ubuntu 12.04 + Unity?

My system is Ubuntu 12.04 64 bit + Unity and it uses ~480Mb with no other processes-apps open, just the core system. Is this the expected amount? It seems a bit steep to me but perhaps this is normal ...
1
vote
4answers
734 views

Is it worth upgrading RAM? [closed]

I'm thinking about upgrading my RAM from 1GB to 2 or 4 GB. I would like to have some idea as to whether buying more RAM would be worth the expense. How can I know whether I will see better ...
5
votes
2answers
6k views

What is process “/usr/bin/X :0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch -background none”?

I am experiencing some serious performance issues with my Ubuntu 12.04 setup and thus looking for the culprit by running htop alongside my usual tasks. Aside from the usual suspects like chromium, ...
2
votes
3answers
736 views

What can I do to make Unity more memory-efficient?

I realy love Unity, but the most of the time I have to use gnome-shell because I only have 1.5 GB of RAM and when I work I have to use all these apps: fogger, firefox, compiz efects, empathy, gwibber ...
0
votes
2answers
76 views

Why does my application crash without updating the log file (used '> my.log')

I am running mCruiseOn Server, which is a java based server side application (sockets, multiple threads, memcached, mysql) on a Micro EC2. It has been crashing often. I suspect memory usage may have ...
1
vote
1answer
760 views

Why does apache keep running out of memory?

All the time my apache2 runs out of memory, I have 6 sites running on it. My server specs are: 2 gig ram, 6 core processor, 60 gb hard drive, and a 1000 mb/s how can I sort the problem out? it ...
0
votes
2answers
102 views

Heavy HD activity on memory issue

I have turned off swapping on my Ubuntu setup - it was causing heavy I/O and slowing things down. I'm okay working without the swap and using only the 4GB of RAM I have (computer doesn't support more ...
0
votes
2answers
2k views

How to make Ubuntu 32 bit read my 4GB RAM on a Acer Travelmate 3210 notebook?

I have Acer Travelmate 3210 notebook with 4GB RAM, but after I install Ubuntu 32bit Desktop, Ubuntu says my RAM is only 2GB. How to make Ubuntu use all my RAM? My notebook doesn't seem to support ...
0
votes
1answer
558 views

memory usage doesn't add up [duplicate]

Possible Duplicate: How do I get the actual used memory including RAM disks? If I add up all the memory usage I get from top -b -n 1 or htop or ps aux, I get a number that is a few GB under ...
75
votes
5answers
40k views

Why is swap being used even though I have plenty of free RAM?

I thought the whole essence of swap was to act as a temporary storage safety net when RAM was full but my swap partition is constantly being used even though I sometimes have as much as 3GB free RAM. ...
2
votes
2answers
445 views

My Right-Click Properties option in Root File System shows 140.8 TB memory of Contents

Partly it is a Curious question . ( Pretty stupid though) I am using Ubuntu 12.04 64-Bit system with Unity as DE. I was doing a routine to free -up some memory space by manual deletion of unwanted ...
6
votes
2answers
2k views

Why don't the %MEM values in top add up to the total used memory?

I'm currently debugging performance issues with my VPS and for that I'm trying to understand which of the processes eat the most memory. Reading top, here's what I get: Mem: 366544k total, ...
0
votes
1answer
417 views

rhythmbox-scope consuming lots of memory

I've noticed that rhythmbox-scope for unity-hud's music-lens is taking something above 18% of my memory all the time without doing anything useful. Actually using it for searching music doesn't ...
3
votes
2answers
1k views

Why I'm seeing 7 users, a abnormal usage of Virtual Memory, lots of stream connections and all process sleeping?

Using a Toshiba Satellite l645d s4025 amd dual core p320 2.1ghz 3gb ddr3 ram 250 gb hdd Below is the incomplete top report(don't know how to select all to copy) Using an Ubuntu 12.04 amd64 ...
7
votes
4answers
6k views

Is there an application that can show memory usage in a similar manner to top?

I would like to leave an application running in my terminal that shows me the memory usage, similar to how top shows CPU and other info, and iotop shows the top I/O users. Does such an application ...
1
vote
0answers
46 views

How HP Prolient Ubuntu server 11.0 support 4 gb [closed]

I have upgraded the server ram to 4+4= 8 gb, but after the physical installation, I restarted the server and when it came to the login prompt, it showed only 2+2 = 4 gb. Please Help. Thanks
3
votes
1answer
139 views

Is there a way to track a run away process?

Recently I've been getting a rather annoying problem, which seems to be linked to Firefox-Trunk, Thunderbird-Trunk, or possible Compiz (default 12.04 compiz with Unity). At random (it seems) the ...
0
votes
1answer
55 views

Warning message saying the installation may fail in such circumstances

The warning message says "256MB of memory are required only 222 are available. The installation may fail in such circumstances. Do you wish to continue anyway?" Im confused here i have 37GB of free ...
0
votes
1answer
113 views

Ubuntu Server: Intel Driver Uses Lots of RAM

I have tried installing Squeeze, Lucid and Oneiric on my new dedicated server (The host doesn't have Precise yet), and noticed that on fresh install they have very different memory usages. On Lucid ...
2
votes
2answers
521 views

/var partition ran out of space. Upgradation of softwares failing. Any workaround?

When trying this : How to install the same softwares in 12.04 which were there in 10.04? , after fetching all the packages, during the process of unpacking, my 2.88GB /var partition ran out of space ...
1
vote
1answer
2k views

Ubuntu locks up when swap full

I have a Ubuntu system running xfce and 2 GB RAM. I have a 1GB swap file which, when multitasking begins to fill up. When I have even a small amount of free swap, I have no issues, but the second the ...
14
votes
2answers
5k views

Can I copy large files faster without using the file cache?

After adding the preload package, my applications seem to speed up but if I copy a large file, the file cache grows by more than double the size of the file. By transferring a single 3-4 GB ...
21
votes
2answers
7k views

Memory limiting solutions for greedy applications that can crash OS?

I use my computer for scientific programming. It has a healthy 8GB of RAM and 12GB of swap space. Often, as my problems have gotten larger, I exceed all of the available RAM. Rather than crashing ...
0
votes
1answer
489 views

Ubuntu 10.04 eats more than 500MB of memory

After installation System monitor shows that memory usage is over 500 MB - pure system after start. There are no processes which use more 20 MB of memory. Other versions of Ubuntu used about 200 MB. ...
3
votes
2answers
369 views

is it normal for ubuntu 11.10 to use 1 GB of memory?

On my older system i ran the 32 bit version of Ubuntu with 4 GB of ram and noticed it rarely come near 1 gig of usage.I have my new system running with the 64 bit version.The new system is a quad ...
7
votes
2answers
527 views

How to configure how much RAM usage should to start swapping on Ubuntu

I always notice that Ubuntu start using swap, as soon as the RAM usage is around 60-70%. How to configure it so it should wait so RAM usage became 80-90%. And is there a way to empty the swap, as soon ...
1
vote
2answers
959 views

KDE4 memory use optimization

Are there any good tips for optimizing KDE4 memory consumption? It feels like a memory hog, even when I have 4GB of RAM and i5 CPU it feels heavy. I disabled all effects but still it feels heavy and ...
5
votes
2answers
959 views

OS only reports 4.1GB of RAM and not the 6GB that is installed… why?

My ubuntu 64-bit 11.10 installed box has 6GB RAM but Ubuntu only uses 4.1GB. I have read various things about the 4GB limit etc, but all those talk about using less than 4GB. What could be causing ...
16
votes
3answers
10k views

Lowering Compiz memory usage

I have been following the updates that appear every week in how they affect the performance and resource usage of Compiz since I installed 11.10 (Right now I am testing 12.04 and 14.04). For what I ...
4
votes
1answer
286 views

Where'd all my memory go? [closed]

After using the laptop for several days without rebooting, I start to get into awful swapping problems (combined with very poor responsiveness during IO operations, swapping 10mb could mean that the ...
0
votes
3answers
472 views

why Ubuntuone takes 4GB of RAM memory

see the detail env: ubuntu 11.10 x64
0
votes
1answer
108 views

sound problem on high level of memory usage

I'm under Ubuntu 11.04 and I have 3GB memory Everthing's working good, but when the usage of memory is overcoming more then ~80% then the sound is crached. It sounds like a speaker is broken, you can ...
1
vote
1answer
2k views

Is memory leak a common phenomenon for gnome-shell? [closed]

Everyone says that gnome-shell uses much less memory than unity shell. But I find it is true only for a short period time. Under Ubuntu 11.10, gnome-shell 3.2, the cron "gnome-shell" uses about ...
1
vote
1answer
416 views

Why does gnome-sushi use that much memory?

I noticed that the Sushi (gnome-sushi) previewer uses around 60MB of RAM and wondered why it has to be so much memory, as I can only preview a single image/sound file at a time? eog (eye-of-gnome) ...
5
votes
2answers
1k views

Is it normal for my memory usage to be 8gb?

I just upgraded to 11.10 and while there are a few problems that seem like they might have gone away (about 50% of the time I couldn't boot properly - haven't seen that happen yet), occasionally my ...
7
votes
2answers
3k views

How to restore/change Alt+Tab behaviour/ram usage and a few other things after Ubuntu upgrade from 11.04 to 11.10? [closed]

I use Ubuntu for programming. I recently updated it from 11.04 to 11.10. There are some things I don't like in the new version of Unity desktop interface. I don't actually know if it is hard to ...
5
votes
2answers
13k views

Tracking memory process wise on Ubuntu

I have an rails 3 application with 100-200 daily unique visitors. The total memory consumed on the server(Ubuntu) is around 1.5-2 GB. I want to know how much memory is used by each process. What are ...
1
vote
1answer
569 views

How to stop excessive memory usage of unity-window-decorator? [closed]

I am using Ubuntu 11.04 on an AMD64 computer. When I boot the computer the memory usage of unity-window-decorator is few tens of MB (checked with System Monitor)c After many hours using Google Chrome, ...
3
votes
0answers
202 views

Why does Aide use all my memory and swap when running? [closed]

I have a Linux server running on a Linode.com VPS, where I'm trying to utilize aide to detect any issues. However, the nightly aide run uses up all of my available memory and swap (512MB RAM / 384MB ...
7
votes
3answers
8k views

How do I use oom_score_adj?

On 11.04, /proc/[pid] contains oom_score_adj, but man proc describes the old oom_adj. I have googled unsuccessfully for any information on how to use this. What I need to arrange is that processes ...
1
vote
1answer
128 views

Premature Termination of Processes

I sometimes find that when I run a process that I know uses up a great deal of system resources, it terminates unexpectedly. Is this because it becomes unresponsive, or is it because Ubuntu can't ...