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

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2
votes
1answer
800 views

How to calculate the average of cpu usage and memory usage over a period of time in ubuntu

I have to generate reports for the following : 1- cpu usage. 2- memory usage. The generated reports must be looks like the following forms : I've tried with more than one command to get ...
2
votes
1answer
314 views

Why is almost all of the 3 GB RAM on my HP G62 laptop always used? [duplicate]

I am using Ubuntu 13.10 on a computer with 3072 MB RAM and 20 GB swap. It is an HP G62 laptop which overheats pretty regularly. When I type free -mt in the terminal the output is: free -mt ...
2
votes
2answers
284 views

Deactivating swap file without any computer freeze

I'm currently coding on my laptop: 4 gb of rams, never using more than 2.5-3gb but at times, I'll mess up my programs, run them with memory leaks and they'll make the computer freeze when trying to ...
0
votes
1answer
178 views

4GB installed, but 3GB read on Ubuntu server 10.04 LTS 64 [closed]

I have 4GB of memory installed, but only 3GB seems to be usable. How can I resolve this? Processor : Intel(R) Pentium(R) Dual CPU E2200 @ 2.20GHz root@ubuntu77:~# uname -a Linux ubuntu77 ...
0
votes
1answer
373 views

finding amount of memory usage of a command in bash

I wrote a program and now I need to measure it's performance so I use time to find timings but is there any command like time that I could run my program under it and have the amount of memory used by ...
0
votes
2answers
388 views

How can I see the memory occupied by a file and folder and also entire directory from terminal?

I'm having some files and folders in the "My Documents" directory. What are the commands to see the size of a file and directory in a terminal?
1
vote
2answers
245 views

is my ram usage natural? (clean ubuntu install by vps provider)

I'm still a Linux beginner, but for my university project I had to rent a vps. When I got my vps, free -m shows me that it is already using 175 mb of 2gb. I wanted to ask that is this normal? ...
3
votes
1answer
711 views

Which processes with daemon are unnecessary?

I saw 3 processes which have "daemon.py" at the end of them and use 10 MB of memory each of them. What do they make? Also there are a lot of processes which have daemon inside. Are they really ...
0
votes
0answers
106 views

High Memeory usage on 12.04

System : Ubuntu 12.04.3 LTS (GNU/Linux 3.8.0-34-generic x86_64) I am using webmin to see the system since i am not a Linux Expert. Since last week there is an unusual memory usage in my system. Is ...
3
votes
4answers
85 views

How to monitor the memory consumed by a process?

I have a process that I would like to see how much memory it consumes while it is running. Right now I do this: ps faux | grep casper But that just gives me the information of that moment. It ...
0
votes
1answer
179 views

How much swap space should I configure? [duplicate]

How much swap space should I have? I have a 500GB HDD and 6GB RAM. My specs: Release 12.04 (precise) 64-bit Kernel Linux 3.8.0-34-generic GNOME 3.4.2 Memory: 5.7 GiB Processor: Intel® Core™ ...
0
votes
1answer
79 views

Ubuntu - One process running - Tons of memory used [duplicate]

I've installed Ubuntu using the Microsoft Windows Installer, and it's running pretty slow. I've got 3.8 GB ram on my computer, and by running free -m I'm getting the following results : ...
1
vote
0answers
219 views

Problems after upgrading to 13.10

My laptop has 4GB of RAM and has seen Ubuntu installations since 12.04. I use 64bit version of Ubuntu. I use my laptop for work and has Oracle JDK and eclipse installed - same setup since 12.04 and ...
1
vote
1answer
361 views

Unusally High RAM usage by ESET NOD32 (Linux Desktop)

Recently, I'd encountered unusally high RAM usage on both my Ubuntu 12.04 LTS laptops (32-bit and 64-bit desktop OS versions). I noticed that, immediately after system startup, ESET will load 2 ...
0
votes
0answers
20 views

How can I find which process is using up memory? [duplicate]

top reports that 99% of the memory is used. But when sorted by memory usage Shift+M I only see about 20% being used. How can I find out which process is using all my memory? $ top top - 21:13:30 up ...
2
votes
0answers
1k views

Why Nautilus consumes way too much memory? [closed]

In the past 4/5 days I noticed something very strange. I am using Ubuntu 13.04 amd64. After some time from the system login I think an hour or two may be, either nautilus or python process uses too ...
0
votes
2answers
5k 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 ...
10
votes
2answers
7k 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 ...
2
votes
1answer
172 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. ...
1
vote
0answers
62 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
58 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
1k 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
430 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
139 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
85 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
1answer
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 ...
5
votes
0answers
646 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
743 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
232 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
5k 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
136 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
888 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
302 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
111 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
1k 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
28 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
1k 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
7k 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
3k 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
462 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
654 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
873 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 ...
16
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
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
907 views

Is Chromium GTK+ theme lighter than the others?

Or is it heavier? What other aspects could one consider here beside aesthetics?