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Questions tagged [memory-usage]

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

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Buff/cache usage increases unexpectedly

I'm currently on Xubuntu 18.04 LTS, I have 12GB of RAM, and 120gb SSD and 500GB of free HDD space. I am dual booting my laptop with Xubuntu (on HDD) and Windows 10 (on SSD). I mostly use Xubuntu alot, ...
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1answer
14 views

Synergy keeps logging non-stop

i've been using synergy to use my desaktop's mouse &keyboard on my laptop when home. Now, it's been working really well for me, except that I've realized that the instance on my desktop will eat ...
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Any swap usage causes system wide freeze, 18.04

My question is exactly the same as Any swap usage causes system wide freeze, only in 18.04. But nobody answered that one ... When I play particularly graphic intensive games, some (variable) short ...
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44 views

Adjust Apache MPM event

I have a VPS with 4 GB memory. My problem with high load Apache starts to eat memory! I'm using MPM event module with the default following settings: <IfModule mpm_event_module> ...
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0answers
75 views

How can a blacklist of programs be defined for halting if RAM memory usage goes beyond a certain point?

My computers have been freezing too much because of a lack of RAM. I need this to happen less. I am aware that the system in this high-RAM usage state is technically still solving the problem via SSD ...
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1answer
59 views

Transfer to swap the memory data of idle software running in background while keeping in RAM only active ones?

While running 5-6 programs at the same time (Browser, Virtual Machines, Terminal, Text Editor, File Explorer), some of them from time to time (let's say every 15 minutes) are inactive/idle (not ...
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1answer
84 views

Is it possible to make Ubuntu always responsive? [closed]

I have been with Ubuntu for over 10 years and I have installed and used it on machines ranging from low-end laptops through mining rigs to i7, 8Gb RAM desktop computers. And on every single ...
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60 views

How to drop temporary files inside Popcorn Time?

Using Popcorntime I usually find one issue, when I try to find a film or some series or after I've watched 2 films, Popcorntime inform me a system error telling me that I haven't memory enough to ...
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Ubuntu 18.04.1 performance issue [closed]

I started using Ubuntu from Ubuntu 14.04. Then I installed Ubuntu 16.04. Till now I was loving this operating system, but since I installed Ubuntu 18.04, using Ubuntu has become a nightmare for me. I ...
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2answers
180 views

Problem with swap in ubuntu 18.04

I have Ubuntu 18.04 installed on my PC which having 8GB total memory and I allowed 2GB swap space when installing Ubuntu. When in normal operation it uses about 2GB from main memory and zero of swap. ...
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0answers
61 views

Why is VSZ so huge for the Gnome goa-daemon?

Trying to track down memory usage on my Ubuntu Bionic Beaver system. Why does ps report such a huge VSZ for Gnome's goa-daemon? $ ps -eo pid,vsz,sz,rss,comm --sort -vsz| head PID VSZ SZ ...
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28 views

What is filling up my swap?

This is a laptop. I booted the machine up left, didnt open anything came back the next day and my 2 gig swapfile was full up to 1.8gig. Now this is a 16 gig machine and the allocated memory was 1.1 ...
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160 views

Nautilus using lots of memory

I'm running Ubuntu 18.04.1 and yesterday and today I've noticed that Nautilus is using a lot of memory (see picture). Has anyone else been noticing this kind of memory usage or should I report a bug ...
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1answer
285 views

“Cannot allocate memory” when reading very large files

I am reading very large files and I got the following error: Error: (converted from warning) Error in : (converted from warning) Error in system: cannot popen 'grep processor /proc/cpuinfo 2&...
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0answers
498 views

Jupyter kernel dies when I attempt large data processing [closed]

When I try to use this IPython notebook to process 150000 lines of data the kernel of the notebook dies. I asked about this issue on Stack Overflow in Spanish but nobody found a way to make a ...
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0answers
144 views

Increase in memory consumption after updating Ubuntu to 18.04LTS

Something very odd has been observed between Ubuntu 16.04LTS & 18.04LTS i.e memory consumption. Even during the startup memory consumption is more in 18.04LTS. Now when the PC start's it consumes ...
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1answer
35 views

Memory process is using

I want to determine via cli how much memory seamonkey is using. I know pidof seamonkey will give me the needed pid. How do I combine that with os -o rss to give the memory used ?
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Why is Ubuntu swapping when there is RAM available? [duplicate]

I just discovered that my Ubuntu 18.04 is swapping depite having RAM available. htop reports Mem 2.11G/7.67G Swap 3.29G/7.88G Is this a problem (I was under the impression that swap is bad, ...
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I get “task NNN:yyyy blocked for more than 120 seconds.” pretty often and my server hangs

I have an Ubuntu server: $ uname -a Linux 4.4.0-36-generic #55-Ubuntu SMP Thu Aug 11 18:01:55 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux where I run a web app and do some stuff using convert: Here's ...
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0answers
93 views

Task/Resource Manager Memory Usage Accuracy Ubuntu 18

I'm running Ubuntu 18.04LTS (8GB RAM) and I noticed how the Gnome task manager, the "top" and "htop" applications give me 3 considerably different memory usage figures. For instance, right now: ...
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43 views

Is there a way to get ubuntu to behave more sanely when short of memory

(sorry I couldn't think of a good way to phrase this question) If I ran windows and opened 1000 tabs in opera what I would get is opera will report that it's "out of memory" or opera might stop ...
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Miss RAM, Total ram is bigger than Used ram + Free ram by 1.5 gb

I have two OS on my pc. I installed Ubuntu 18.04 alongside with Windows 10. Total ram is 3.94 gb. On Ubuntu my total ram is bigger than sum of free ram and used ram by 1,5 gb. And buff/cache is 1....
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1answer
3k views

How do I show memory usage information in top bar or as notification?

I have 4GB RAM. When I open Firefox, IntelliJ IDEA or VS Code and some other application my memory is about used up thus my machine hangs and I can't do anything. I can't even close any applications. ...
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1k views

Gnome shell takes a lot of memory

Is it normal that after fresh installation of Ubuntu 18.04 LTS gnome shell takes 255 MB of RAM? If not, What should i do to solve that problem?
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1answer
145 views

How to detect which program is consuming memory using $ps aux [duplicate]

Recently my Ubuntu 16.04 is slowing down and often freezes while using Chrome, VLC player, Atom editor etc. I need to find out which program is consuming my memory. Since I am new to Linux, I don't ...
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Amount of memory the system supports [duplicate]

Ubuntu server support 256 MBPs of memory? What is the maximum limit supported by the system?
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1answer
747 views

How to limit resource usage for a given process?

I have a process for an application which needs to run, but ends up using far too much IO usage for what it does. And really crashes my computer, making it impossible to do anything else whilst it is ...
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3answers
97 views

Why this process consumes a lot of memory? “collector”

I'm running Ubuntu 16.04 LTS, and I found out that every time a process named "collector" ran, the amount of ram memory used increased a little bit, (100MB every minute or so). I always keep an eye ...
2
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1answer
54 views

Should I increase my partition size when the volume “Filesystem Root” has only few disk space remaining? [duplicate]

My question differs from The volume "Filesystem Root" has only 533.9 MB disk space remaining, for mine is specific about managing disk space on multiboot devices From time to time, the ...
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1answer
2k views

Ubuntu 18.04 uses different amount of memory on different machines

I have a 4GB machine, and when launching Ubuntu 18.04 (gnome) on this machine, it uses 1.4GB of ram just after booting. I tried the same ISO on another machine with 8GB, and it uses 3.6GB of ram just ...
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1answer
3k views

Is it still bad to use swap on a modern SSD?

I have a Samsung 960 Pro SSD with Ubuntu 18.04 is it safe to put the swap file on there or would it hurt it in the long run, I heard some people saying that new SSDs don't suffer from that issue ...
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1answer
655 views

How to avoid out of memory to hang the system

I've seen plenty of memory related questions on Ubuntu, and to be honest I really can't understand how it is still possible to struggle with such issues. I have 8GB RAM. I've experimenting with/...
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1answer
91 views

Is there a way of limiting the Kernel's memory manager to use only 75% of memory?

OK, here the premise: Customer is a Windows shop and their Ubuntu VMs always use 100% of their allocated memory (as per design) so they show up in "Red" on the memory usage charts. As we don't have ...
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46 views

Problem with system memory in ubuntu when installing Learning Locker

I am very new to Ubuntu and i am running it in Oracle's Virtual Box Manager (Ubuntu 64-Bit). For my Bachelorthesis i need to work with Learning Locker and i'm trying to set it up. I followed all the ...
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Please help in partition of my disk of 320Gb [duplicate]

Please help, I'm having 320gb Harddisk. I have used windows 7 like c:(50gb)for os , d:(100gb) for data and E:(160Gb) for data. Likewise how can I set for ubuntu ? As I know, 50 gb Primary - /boot (os) ...
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1answer
975 views

Ubuntu 17.10 gnome-software process using large amounts of memory

I've been running Ubuntu 17.10 for a good while. Starting yesterday (April 9) the process gnome-software started using large amounts of memory. I don't know if it is related to the update that I took ...
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3answers
34 views

Help to avoid swapping on 4Gb venerable laptop?

I have been running Ubuntu on my much loved Acer Aspire 7735Z laptop since around version 8. It has Pentium Dual-Core CPU T4200 @ 2.00GHz and the maximum of 4 Gb RAM. Now on 16.04, I typically find ...
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What does this mean, Sorry, the program “systemd-udevd” closed unexpectedly?

I received this message. The full message is this: "Sorry, the program "systemd-udevd" closed unexpectedly Your computer does not have enough free memory to automatically analyze the problem and ...
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95 views

How to Monitor High and Long Memory Usage?

i want to try make simple python script to run and monitor high and long memory usage. The case is let say, one app using memory > 70% for 5 minutes. Then i want to do action with that. I'm a little ...
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1answer
807 views

limits.conf file Changing Max Memory Option

This question might have been asked earlier however i did not find any supported answer. I understand that ulimit supports few options from which max memory size is one of them. How can i set the same ...
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0answers
198 views

Ubuntu 16.04 with no swap freezes when running out of memory

I have an up-to-date 16.04 64bit system with 24GB of memory, configured without swap. Sometimes due to the nature of my work (multiple VirtualBox VMs running, Eclipse running, Firefox and Chrome ...
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45 views

One Program Constantly Crashes Entire Linux Session - How do I Sandbox this Program?

Ubuntu 16.04 with GNOME is my setup I program in the language R using the R Studio IDE. The rsession program in my system monitor consumes ~200 MB of RAM at any given time. Every 30-60 minutes the ...
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1answer
166 views

Output of “free -m” doesn't match

How can I check my RAM usage? I am trying the command free -m as I saw here, I should get something like this: total used free shared buffers cached Mem: ...
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1answer
70 views

Browser crashes/hangs system on low-spec machine under Xubuntu

I have a Lenovo Ideapad 110S I recently installed Xubuntu 17.10.1 on. It has a 1.6Ghz Celeron N3060, 2gb ram, and 32gb SSD. Most of time Xubuntu runs great on it. However, I keep running into system ...
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0answers
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Node JS (-bash: fork: Cannot allocate memory) [duplicate]

Here's the Node JS I'm running at the beginning of the script to clear the garbage collector and then logging the available space: global.gc(); var bytes = process.memoryUsage().rss; var GB = (bytes /...
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1answer
333 views

How much RAM does a Ubuntu 16.04 machine need to handle a 4TB ZFS volume?

I am building a backup server with a 4TB ZFS volume. I have found various guides for ZFS on Solaris and BSD which recommend 1GB of RAM for each TB of disk. How much RAM does ZFS on Ubuntu 16.04 need,...
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59 views

What is using such a large portion of my memory? [duplicate]

I am setting up a home server for plex, storage, and a few VMs. I have everything loaded and running and was checking to what ram I had left to start a few VMs and noticed I was using more than half ...
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1answer
351 views

Why is so much RAM used by the OS?

I executed the free -m command and got the following output: total used free shared buffers cached Mem: 7842 2443 5398 205 167 ...
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1answer
173 views

Will turning of swap on a system with slow HDD enhance performance?

I have a laptop with extremely slow HDD. Everything runs great on it except when I use up all the RAM and the system starts to utilize SWAP. Would turning of SWAP hinder or improve performance. Or ...
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1answer
756 views

OOM score for every process

In response to this. Take a look to the questions about configuring the OOM killer. For example: https://unix.stackexchange.com/q/153585/21101 Is there a way to see the OOM score for every ...