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

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0
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2answers
3k views

How to free space in root directory and delete unnecessary kernel files?

Off late I am receiving continuous system alerts regarding low disk space in my root directory. I am given to understand that all my system updates are being saved in my root directory instead of my ...
8
votes
2answers
5k views

'zeitgeist-fts' always using a lot of memory!

What is zeitgeist-fts?! It's always in the 3 top positions of memory usage (competing with Firefox and Compiz!!) ... After a fresh boot it uses about 30 MB, but after some hours or a day, it goes ...
0
votes
0answers
324 views

Ways to reduce memory usage

I'm using xubuntu now and from time to time I come across the problem that memory is out of space. This happens when I open both Chrome and Eclipse, also, even I exited Eclipse, /usr/bin/java is ...
2
votes
0answers
150 views

unity-music-daemon uses large amount of memory

When I boot my Ubuntu 13.04 up, I noticed that my fans goes crazy and when I had a glanced at System Monitor, I saw that a process called unity-music-daemon is using a large amount of memory and CPU. ...
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0answers
61 views

How to persistently limit resources of a program

I am running several programs on my computer and under normal circumstances my RAM (2GB) and CPU power is sufficient. However it occurs that a single program suddenly turns the system permanently ...
1
vote
2answers
2k views

Ubuntu 13.04 extremely slow on my desktop

I have installed ubuntu 13.04 on my desktop computer without doing any partition, and no any dual boot operating system. My desktop hardware components are given below: Hard disk 500GB Ram 2GB ...
1
vote
2answers
56 views

Ubuntu memmory consumption problem [duplicate]

Ubuntu Gnome on my laptop boot up using about 310 MB Ram. When running couples of program, the system takes 700 to 900 MB. Then, I close all programs, Ram usage drops but it keeps at 450 ~ 600 MB Ram. ...
0
votes
1answer
932 views

Comparing Virtual Memory Size with Resident Size

I came across this stackoverflow post: http://stackoverflow.com/questions/10400751/how-do-vmrss-and-resident-set-size-match The answer voted correctly states the following: "So, VSS should be ...
1
vote
1answer
376 views

Wheres my memory going?

My machine keeps 'freezing' before eventaully logging out with all the programs exiting. This is rather annoying, and I think its because I keep running out of memory. I am not running any custom ...
-1
votes
1answer
134 views

Is this Ram usage normal?

My system is Ubuntu 13.04 64 bit + Unity and it uses ~600mb with no other processes-apps open and with preload 900mb, just the core system. Is this the expected amount? It seems a bit steep to me but ...
0
votes
1answer
75 views

Disk and Ram Memory size

I need to know the disk size and the ram size of LAMP + Chrome. How can I check it... on ubuntu 11.x and 12.x Thanks
8
votes
2answers
2k views

Memory usage doesn't add up over time

The memory usage on my Ubuntu 13.04 system doesn't add up over time. I've tried the 3.8.0-xx kernels and the latest 3.9 from /~kernel-ppa/mainline. When I first boot, it all adds up correctly but ...
3
votes
0answers
392 views

How can I find the memory usage on my GPU?

Previously I was checking the memory usage on my GPU with the following command: nvidia-settings -q all | grep Memory I am processing some scientific data on my GPU with numpy and theano. I was ...
0
votes
0answers
31 views

Server slowly runs out of memory [duplicate]

My Ubuntu 10.04 server slowly eats up memory. If you look at tops, it slowly starts using swap space. Eventually the amount of free memory drops too low and the kernel kills the worst process. A ...
0
votes
4answers
644 views

How to log memory usage per minute on Ubuntu Server?

I checked few programs such as htop or top command but couldn't find any features for logging per minute. Is there a way to do that for tracking memory issues ? edit: I was using linode and decided ...
3
votes
1answer
217 views

Looking to log memory usage and cpu usage every x interval on a box

I am looking to monitor memory and cpu usage on the box every minute or so. Any recommended ways on doing this?
1
vote
1answer
2k views

top command not clear [closed]

I am using top command on my centos server. Mem: 8055100k total, 3832228k used, 4222872k free, 57968k buffers Swap: 8191992k total, 0k used, 8191992k free, 3574740k cached In case ...
1
vote
2answers
4k views

Chrome suddenly using too much memory, what's wrong?

I just upgraded my RAM to double what it used to have and for a couple of weeks everything was running great, but now Chrome is eating all of it, I hit 90% use with only one window and <50 tabs ...
2
votes
0answers
130 views

Why do I run out of memory even when nothing is running?

I am currently facing a problem that when I run Uclust, it keeps showing me mymalloc running ot of memory. The thing is that cuurently nothing is running in the system and my memory shows I am ...
4
votes
2answers
795 views

2 GB Ram, but Ubuntu runs slowly and hangs if doing too much

I think my system more than meets the minimum/recommended requirements for Ubuntu, but its still running slowly. Especially when I try to multitask by having 4-6 windows open, then it becomes quite ...
3
votes
1answer
1k views

Does 64bit ubuntu takes more memory than 32bit or is “quantal” more demanding than “precise”?

I've just clean-installed 12.10 64bit and i noticed an increase in memory usage. I used 12.04 32bit and was running about ~400mb on startup(gnome3 no effects) + firefox, now the machine uses about ...
1
vote
1answer
224 views

Warning when available RAM approaches zero

This is a follow-up to Memory limiting solutions for greedy applications that can crash OS?: ulimit and cgroups are not user friendly, and besides, wouldn't work with applications that spawn separate ...
0
votes
1answer
108 views

Fresh ubuntu installation - memory usage went from 3% to 41% - should I be concerned and how to remedy?

My memory usage was a 4% after a fresh ubuntu 12.10 installation after i install php packages etc using this gist, https://gist.github.com/4372049 my memory usage now reached 41%. should i be ...
11
votes
2answers
963 views

How to prevent so many instances of apt-check running?

I have an Ubuntu 12.04 server that just crashed because of a very obvious cause: 30+ of apt-check processes consuming all memory, the OOM killer kicking in, killing vital services. I'm not sure where ...
1
vote
1answer
26 views

Dbuses and Apaches are using up memory

I recently noticed, in System Monitor, that multiple Apache2 processes are showing up (with the same "Command Line"). There are currently 6 of them, each with 7MB memory. I also noticed a whole bunch ...
0
votes
1answer
1k views

Average memory usage after complete ubuntu 12.04 start up

When it starts up completely, I cas see that about 400-500MB of my 2GB Ram is being used. Right now that I have only started Firefox (and System monitor), I can see that about 1GB of ram is full with ...
1
vote
1answer
981 views

Move WUBI installation of Ubuntu to a different partition in Windows

I don't have a lot of space on my D: drive and Ubuntu is taking 15 gigs of it so I wonder, is there a way of moving Ubuntu from D: to C: while keeping the files that exists on Ubuntu? Thanks
4
votes
2answers
6k views

Reduce memory usage

I have just installed the standard default desktop configuration of Ubuntu 12.10 (Quantal Quetzal). My PC only has 1GB of RAM and is struggling a little. What steps can I take to reduce the memory ...
8
votes
3answers
2k views

How to read correctly “free -m” output?

The output of free -m: total used free shared buffers cached Mem: 595 482 112 0 63 324 -/+ ...
2
votes
1answer
416 views

How to see how much memory/cpu Unity is using

I am trying to see how much memory and CPU the whole Unity desktop is using. For this I tried looking at the Unity process but since it is divided in many parts it became difficult. I want to see how ...
1
vote
1answer
587 views

Compiz's memory utilization increasing

I have been running Ubuntu 12.04, 64 bit, on my AMD desktop for quite some time. Last few days, I have been seeing the memory utilization of compiz to be increasing. I normally do not shut down the ...
7
votes
3answers
749 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 ...
13
votes
4answers
6k 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
42 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
869 views

Is Chromium GTK+ theme lighter than the others?

Or is it heavier? What other aspects could one consider here beside aesthetics?
1
vote
2answers
4k 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
242 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
92 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
708 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
584 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
724 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 ...
4
votes
2answers
5k 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
651 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
70 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
672 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
100 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
516 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 ...
60
votes
5answers
29k 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. ...