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

learn more… | top users | synonyms

2
votes
1answer
635 views

How can I lower the memory usage in nautilus elementary?

Currently Nautilus is using around 175 to 185MB of RAM. This seems unnecessary, since there are no folders open, only dropbox and ubuntu one running (plugins), and no other known sources of this RAM ...
4
votes
1answer
1k views

Set OOM killer adjustment for process on startup?

Is there a way to set the OOM killer adjustment value right when a daemon process (Apache in my case) starts? I would like to give the Apache processes a higher likelihood of being killed and make it ...
3
votes
3answers
8k views

Ubuntu on 256MB RAM [duplicate]

Possible Duplicate: How to configure ubuntu for lightweight low-memory usage? How can I reduce Ubuntu install size to the minimum, with GUI? I was wondering if I can use Ubuntu (scale down ...
7
votes
4answers
692 views

Where has all the RAM gone?

I have 1GB of RAM, and when I run NetBeans and Firefox, they get about 300MB of RAM. At some point, the system becomes very slow, probably 100 times slower than normal, switching windows (Alt+Tab) ...
2
votes
3answers
270 views

With two simultaneous users, how much memory is consumed?

Basically, it's my personal system (running 10.10) where I often switch from myself to my other myself (one login is for personal purposes, and the other one is the working login). So I come to ...
4
votes
2answers
1k views

System using a lot of memory and I cant find why

My Ubuntu is using an insane amount of ram memory. When I boot the machine it is using around 1,5 to 2 gig ram without me launching any applications. When I start firefox and vlc it maxes out. Going ...
3
votes
1answer
420 views

Changing to another distro: can the -home partition be kept?

I want to change from Ubuntu 11.04 to another distro and I have /home on a different partition than the other folders. I want to ask if it's possible to keep the same /home partion with another distro ...
5
votes
2answers
3k views

How do I get the actual used memory including RAM disks?

free -m does not seems to include memory used by RAM disks (tmpfs filesystems). Maybe because it's something in the kernel space? How do I get the real memory usage (or it's opposite, free memory) ...
6
votes
3answers
3k views

compiz huge memory leak- ubuntu 11.04-unity

memory used by the compiz app (ID 1527) when session is started- 45-55 Mb, memory used after 2 hours, 500 MB. i found the following bug report ...
4
votes
1answer
2k views

Moving files to /dev/shm ramdisk doesn't increase RAM usage?

I've been wanting to make us of a ramdisk on my Ubuntu system for a while, and have done a bit of reading online. Most of the advice centres around using /dev/shm to move files into RAM. I wanted to ...
3
votes
4answers
2k views

what is the nm-applet and why does it take so much memory?

I was wondering why my memory useage was so high, what is this thing that take a whopping 1.2GB of memory. Please and thank you.
3
votes
3answers
5k views

How to configure ubuntu for lightweight low-memory usage?

I just upgraded an old, secondary computer to the latest Kubuntu (10.10). It seems the effort was a bit too much for the hardware and one 512MB memory module died. I tried to take it away, clean the ...
3
votes
2answers
1k views

Can I use all my RAM for application data?

I have yet another question about "where is my Linux memory" Question goes: can I use cache for application data? On my laptop I have 1GB ram. Situation after some time of work: browser takes 400MB ...
10
votes
2answers
2k views

What is the difference between the memory usage report in System Monitor and the one by free?

I am using System Monitor 2.28.0. When I look in the Resources tab, I see a nice graph with for memory and swap. Memory is about 60% 2.3 GiB of 3.8. When I type the command free, I got : ...
47
votes
7answers
79k views

How can I monitor the memory usage?

I have used top to see the memory usage at the moment. But I would like to monitor the memory usage over a period of time. E.g start monitoring and then execute a few commands, and final stop the ...