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

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1answer
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Abnormal usage for memory

These days, my linux VPS is very slow, for that I've installed htop package using apt-get to see what is happening to my server. When I opened htop, I see that my server is using approximatively 700 ...
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1answer
19 views

Out of Memory Issue

I am running Ubuntu 14.04LTS on two separate pretty beefy servers.. I have a python script that runs for a long time, but really just makes a bunch of relatively short-lived system calls to other ...
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1answer
39 views

Ubuntu 15.10 - high ram usage

I am writing because I have no idea what going on with my favourite os, Ubuntu 15.10 with the kde desktop. The problem affect ram usage in normal work (chromium/firefox browser with few cards and ...
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1answer
16 views

Quickly execute commands without running out of memory [on hold]

I am writing a .Net application that runs on Mono. It executes and gets the output of several terminal commands every second or so, continuously. However, after several seconds, it will crash ...
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0answers
10 views

Workaround for program with memory leak

The caffeine indicator (which keeps my screen from turning off when I'm watching something), over time uses increasing amounts of memory, such that at the moment (having run for a week or so) it's ...
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0answers
34 views

Ubuntu Memory Low

When I SSH in, my memory usage is at57%. It looks like I have very little RAM available but I don't think that was the case before... ubuntu:/etc/projects/myapp$ free -h total ...
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2answers
35 views

Allocate less memory to processes to load a 6.8 GB dataset into R running on 8 GB machine

My idle system (64bit Ubuntu GNOME 15.10) uses around 2.5 GB RAM after restart, i.e. there's no running program launched by me. None of the applications I installed starts on startup. Which system ...
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0answers
18 views

Atom is too slow on Xubuntu

When I open Atom on Xubuntu all the application start lagging unlike Sublime text editor. Before I open Atom: After I open Atom:
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0answers
8 views

Erase swap memory storage when app load decreased

I have enough RAM for most purposes, but sometimes I inevitably get carried away with the number of apps and tabs I have open, pushing short-term memory storage into swap. I'll then do an inventory ...
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1answer
27 views

monitor memory usage of a single process in Ubuntu

Do you know How to monitor memory usage of a single process? I want to get Memory usage over a given time frame including maximum usage and average usage. Don't tell me use top -p PID, since I ...
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2answers
7k views

How to log memory and cpu usage of an application?

Similar to question How to log CPU load?, I would like to log memory of a process. The process I want to log, is killed on a remote server, and I want to find out the CPU load and the memory usage ...
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1answer
810 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 ...
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3answers
13k 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 above ...
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2answers
1k views

ZRAM vs. regular swap partition

I don't fully understand the functionality and the potential advantages of zram. For example: once zram is activated, what percentage of memory will be dedicated to paging? Another issue: obviously ...
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0answers
30 views

No keyboard input on login screen

On the screen where I would normally enter my password to unlock my computer I cannot type anything. I've tried switching USB ports for my keyboard and even check to see if the keyboard does work in ...
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3answers
45 views

How to print out memory usage by applications?

There are couple of commands to show memory status such as free, top, htop, etc. I want to know how much memory has occupied by my application. Actually, sometimes my Ubuntu is very slow even after ...
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3answers
8k 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 ...
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1answer
40 views

Computer slows down

I am running latest Ubuntu having upgraded (twice now I think). When I boot up, my computer is using 600Mb of memory. I then use 3 instances of Chrome with multiple tabs, Atom and VS Code and run gulp ...
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2answers
700 views

Freeing page cache using echo 3 > /proc/sys/vm/drop_caches doesn't work?

free -m total used free shared buffers cached Mem: 24055 22439 1615 8969 16 9096 -/+ buffers/cache: 13326 10728 ...
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0answers
59 views

Can Ubuntu get slow due to chrome using too much of the ram?

I work a lot with the browser (Google Chrome) and I open many tabs. Sometimes my system slows down and I think it should not happen to a brand new mid range good quality laptop. I am just wondering if ...
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1answer
97 views

How do I make Firefox in Lubuntu use less virtual memory?

I have Lubuntu 14.04 installed on an old XP desktop, which has an Intel Celeron 2.00GHz and a SiS 651 graphics chipset. I have upgraded it with as much memory as it will take (2GB DDR), and a 120GB ...
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0answers
32 views

Memory usage between Ubuntu releases

What is the difference in memory usage between LTS Ubuntu releases. I rent a Dreamhost VPS with 300Mb that provides Ubuntu 12.04.5 LTS and I am afraid that if I upgrade I will lose ability to run ...
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2answers
47 views

limit eclipse from taking over the RAM

I'm using Eclipse in Ubuntu 14.04 for scientific stuff and my code consumes a lot of RAM. When I run my code in Eclipse, I see in System Monitor that the RAM usage goes up to almost 100% and at the ...
0
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1answer
65 views

How to check what is VIRT memory usage composed of? Huge value (253G) in VIRT htop column

After upgrading to 15.10 and KDE 5.4.2 some KDE-related processes sometimes have a huge VIRT value in htop, for example: top shows almost the same, 0,247t. Is there any way to see what it's composed ...
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1answer
38 views

Is there any way to remove space to the `/home` partition and assign to `/` partition?

I am new in ubuntu. I am using Ubuntu 14.04 on dual-boot system with Windows 8.1. I need ubuntu to work with databases that handle large volumes of data. When configuring the system I assign to the ...
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0answers
15 views

Memory overflow issue with cpp program

I am facing quite a strange issue nowadays, I am not sure why I never noticed it previously. When I am running a cpp code and if there is some infinite loop or some erroneous thing which is causing a ...
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3answers
175 views

How to keep Firefox usable without ever closing tabs manually?

When using Firefox on her computer, my wife opens a new tab when starting a new search, and opens links in a new tab when she may want to use the linking page later. However she never closes tabs, ...
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0answers
221 views

14.04 - What's with systemd-udevd? Heavy CPU and RAM usage when system idle w/o any application running

I have left my laptop on overnight for charging two video recording devices via USB. Next day I woke up, I found that there was heavy CPU, ram, and swap usage (screencap for reference). In System ...
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1answer
85 views

Why is that much memory used while I only have a terminal window open?

I just installed Kubuntu 15.04, installed VLC, Chrome and configured some settings then ran sudo apt-get upgrade to upgrade the system and noticed that 2.6 GB of ram is being used! (and 3.4 GB while ...
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2answers
3k 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, ...
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7answers
163k 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 ...
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2answers
110 views

Swappiness for aggressive swapping

I want to configure the Ubuntu 14.04 with aggressive swapping behavior. I'm using Linux kernel 3.14. I modified the swappiness using the following command. echo 100 > /proc/sys/vm/swappiness ...
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0answers
52 views

Set limits on processes ubuntu

I am using my ubuntu to do some programming assignments at college and it keeps hanging. For example, If I have an infinite loop in my C code by mistake, ubuntu freezes. If my C program allocates ...
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1answer
150 views

Firefox is using too much memory and is freezing my machine

I have some 40 machines in our company. They are running Ubuntu 14.04 with 4Gigs of RAM. Very recently I noticed that almost on all machines Firefox browser is using around 1.2 to 1.5 GB of RAM and ...
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1answer
33 views

Can we find out the software components which are currently resident in the memory.

Can we find out the software components which are currently resident in the memory. If yes, how? Any command to find the software components?
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1answer
62 views

Can swap be used instead of RAM?

I have an older netbook that I love. It's currently using a relatively recent version of Lubuntu. The hangup is its relatively low amount of onboard RAM: 1GB. This amount also cannot be updated as it ...
2
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1answer
256 views

“Inactive memory” management on Linux

One of the problems that i face to many times a week on Linux is the inactive memory management. Whenever i copy a a huge file or open a program like Matlab on my Ubuntu i notice that there is a huge ...
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0answers
63 views

Why does indicator-sound-service use so much memory?

What can it possibly be doing to require that much memory? Thanks. -Erik charm /etc/xdg/xfce4 282# cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=15.04 DISTRIB_CODENAME=vivid STAT ...
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2answers
3k 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 : ...
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0answers
138 views

Running Heroes of the Storm on Wine

I installed heroes of the storm and changed it to the 32-bit client (like it says to do on wineHQ), but everytime I run it, the screen becomes completely red, and if I do anything it crashes and says ...
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4answers
13k 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 ...
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3answers
10k 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 ...
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3answers
14k 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 ...
0
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1answer
65 views

Which system monitors are able to show me a non-rounded memory usage?

Backstory: I am trying to detect memory leaks in a program by viewing the memory used from the system monitor, and seeing if it rises while doing a certain activity. System Monitor unfortunately ...
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vote
1answer
90 views

Ubuntu 14.04.1 is consuming 7.8 gigs of 8 gigs ram?

Actually had to create a new account due to openid 2.0 obsolete....I havent been on Askubuntu in quite awhile but tonight I was doing some work on a website when noticing my computer for once was ...
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0answers
148 views

Cgroup (cgrules) does not work on reboot

I am currently using cgrules to limit the memory usage for specific users. Currently, I have set-up a cgconfig.conf file and cgrules.conf file. I then manually call the following commands: sudo ...
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0answers
39 views

Boot volume space [duplicate]

I am using Ubuntu 14.04, and need to create more memory space by deleting older kernels. I have tried several suggestions on the subject, but none have produced any results - boot volume still stays ...
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1answer
777 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 ...
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0answers
22 views

Can't load admin settings

Hi I have recently done ddr recovery on my account on ubuntu via terminal however with the recup files have totally used up all the memory on my laptop and I couldn't find a way to delete them and at ...
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2answers
87 views

What is this and how can this happen? Is this a security issue or can it be a virus?

From the last 3-4 days, my laptop has started becoming much laggy when I'm working on Android Studio or if it is just running in the background. So, today again I was working in Android Studio. My ...