Questions tagged [ram]

Random-access memory (RAM) is a form of computer data storage. Today, it takes the form of integrated circuits that allow stored data to be accessed in any order with a worst case performance of constant time.

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Xorg using all my memory RAM?

I am having some memory problems that I don't know how to explain, and I don't have the knowledge to investigate it properly. Hope someone can guide me through it. Since yesterday my notebook (Ubuntu ...
Paulo Cesar's user avatar
5 votes
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Why is Ubuntu server 20.04 with vm.swappiness = 0 still swapping where are plenty of free memory?

Background We're running several KVM servers on Ubuntu 16.04 and have started testing the upgrade to 20.04. What we found is that even though we've never seen any swap usage on our 16.04 servers, ...
Stian's user avatar
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Ubuntu 18.04 shows massive amount of memory in use

After an upgrade from 16.04 to 18.04, the amount of memory in use, even after a reboot, is massive. The System has 64GB of ram. Prior to upgrade, typical usage was about 20% (12GB). Ater the reboot,...
ELadner's user avatar
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4 votes
1 answer
7k views

How do I fix high memory usage on Ubuntu 20.04.3 LTS?

Ubuntu 20.04.3 LTS is using a lot of memory, (10.1GB out of 12GB of RAM). The RAM fills up over time and reaches dangerously high levels of usage, even when I am using only 2 applications. I've tried ...
Devvrath's user avatar
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4 votes
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Can I combine Zram with Zswap without double compression?

I currently have most of my swap on Zram, since I don't want to wear my SSD excessively. BUT, I do have a swap partition left over from when the system was installed, and I just lowered the priority ...
James Lewis's user avatar
4 votes
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395 views

Why is Ubuntu 20.04 server is freezing with heavy workload due to memory getting full and not freed while Ubuntu 16.04 is working smoothly

I am running Ubuntu on two the same EC2 cloud instances on AWS server with 1CPU and 1GB RAM. First instance is running Ubuntu 20.04 and the second is running Ubuntu 16.04 I did installation of apache2 ...
Jamol's user avatar
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4 votes
2 answers
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20.04 ram issues

recently after updating to ubuntu 20.04, Ubuntu suddenly uses a lot of ram more ram than it used to. In daily usage, it has gone from using like 5GB of ram to like 11GB I don't even run that much. ...
rodude123's user avatar
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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?
שמואל ביאליסטוקי's user avatar
4 votes
0 answers
620 views

Memory Hog while using any browser

I am using 64 bit Ubuntu 17.10 running on Intel Quad Core i5 M560 @ 2.67GHz with 3.7GB Ram and 75 G Hard Drive. I am running GNOME 3.26.2. I have noticed that the Mem usage drastically increases as I ...
Stan Tandon's user avatar
4 votes
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180 views

Total RAM in "free" output smaller than real RAM size

I am running Ubuntu 16.04.3 LTS x86_64 on a Lenovo X1 Carbon 3460-4T9 computer having 4 GB of RAM. However, the free command only shows a total of 2610 MB: vmalep@X1:~$ free -m total ...
vmalep's user avatar
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Disable memory cache - real reason

OK, before you mark my thread a duplicate I want to say, that I know this very good answer: How do I clean or disable the memory cache? But this is not case for me. I am making some performance tests ...
Michał Herman's user avatar
4 votes
1 answer
3k views

Out of memory when booting ubuntu or any linux distro from LIVE USB

Scenario: I had ubuntu 13.10 installed. tried to boot with a windows usb windows setup frozen after selecting "Delete" on an empty ntfs partition restarted the laptop with power button Now when i ...
Simion Agavriloaei's user avatar
4 votes
0 answers
9k views

Is there a default limit to the amount of memory a process may use?

Running 64-bit Matlab 7.12 on a 64-bit 10.04 Ubuntu Server. When I try run a big problem that should need 46GB of memory (the server has 72GB of Memory and plenty of swap space), the experimental ...
Gordonei's user avatar
4 votes
2 answers
4k views

My RAM and CPU's are free but my computer is so slow (Ubuntu 12.10)?

I have 8 Gb RAM and 2 CPU, I install Ubuntu 12.10 on my laptop. The system works strangely. The computer becomes slow for no reasons! I ran top and Htop and there is nothing that uses my CPU or my RAM ...
mahmood's user avatar
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Slow memory leak, how to find?

We have a miniPC running Ubuntu Studio 22.04 which handles the processing of the audio for our FM broadcast transmitter. It is meant to operate 24/7/365 with little to no administration. Over time I ...
thatjackelliott's user avatar
3 votes
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ubuntu shows 27 gb ram out of 32 gb

free -m total used free shared buff/cache available Mem: 27923 12347 6956 55 8620 14922 Swap: 0 0 ...
Dinis's user avatar
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Ubuntu does not detect new RAM but BIOS does

I currently want to increase the RAM of my desktop. I bought 8Gb, which appears on BIOS but does not appear in Ubuntu. I have tried changing the slots and ubuntu does not find the new one. Also the ...
Andre Ribeiro's user avatar
3 votes
1 answer
1k views

Ubuntu 20.04 is only recognizing 64Gb of 128Gb installed RAM

How can I get it to recognize my full memory block? My bios is correctly reporting that the 128Gb is installed, and my Windows dual-boot is working likewise [update: Windows is actually reporting ...
C. Cooney's user avatar
  • 131
3 votes
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994 views

Setup optimal swap settings when firefox juggles with memory

My laptop runnning 20.04 has only 8GB of RAM but 32GB of swap on NVMe disk. When RAM usage reaches ~90%, the "Web Content" processes of Firefox 79.0 (only those which are greedy in RAM such ...
myoan's user avatar
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Ubuntu 18.04 not recognizing ram correctly

As I am new here, please be indulgent if my question is not posed with the highest possible precision. Also, I am far from being an expert, so if you don't mind rather explain a bit more than less ;) ...
many_questions's user avatar
3 votes
0 answers
1k views

Ubuntu 18.04 doesn't use swap, but whet it does it freezes

My ubuntu 18.04 64bit isn't using the swap file/partition to the point when the 8gigs(of which 7.3 are usable) of ram almost fills up, and when it does, and actually writes some things in swap it ...
D. Dan's user avatar
  • 133
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0 answers
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Neofetch and Screenfetch show completely different RAM results

Recently I started using neofetch instead of screenfetch due to more information displayed in the first one. However, I noticed that one-by-one run screenfecth and neofetch show majorly different ...
Daria Kostenko's user avatar
3 votes
0 answers
135 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 ...
BlandCorporation's user avatar
3 votes
0 answers
73 views

How see how many shared memory has the Intel Chipset?

free -m command get this result: total used free shared buff/cache available Mem: 7653 1569 296 53 5787 5680 Swap: ...
Scorpion's user avatar
  • 374
3 votes
2 answers
629 views

Ubuntu Huge Memory Use

I'm having some issue with Ubuntu. I am learning web developing and decided to use Ubuntu as my OS (on a different drive I have W10). I tried both Ubuntu 16.04 LTS and Ubuntu 17.04 (although I just ...
Sebastian's user avatar
3 votes
0 answers
890 views

Ubuntu 16.04 OOM killer does not work

I used Ubuntu 14.04 a lot on server-side and see OOM-killer kicks in when there is a process that consumes too much memory. OOM-killer will kill it, and will log in syslog/dmesg about what it killed. ...
HVNSweeting's user avatar
3 votes
0 answers
6k views

High usage of ram in Ubuntu 16.04

I have a problem since I upgraded from 15.10 to 16.04 some days ago: My ram is almost completely full! I have 8 GB of ram on my system, currently 6,9GB are used (with just firefox open). I've ran a ...
JohnKlotter's user avatar
3 votes
0 answers
483 views

Hard freezes when RAM is exceeding

I have 8GB RAM, when memory is exceeded (chrome + vbox + something else): hard mouse freezes permanently lit SSD led in 90% of cases I can't login in tty, system without any response, necessary to ...
user2083894's user avatar
3 votes
0 answers
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X.org is allocating more than 900MB of RAM but xrestop says ~1/40th of that is actually used; how I force it to free the rest without restarting X?

So X.org is allocating an insane amount of RAM: right now 910MB (according to the RES column in htop), second only to Firefox (really Nightly) (at just over 1GB) and trailed by GNOME Shell (at only ...
andlabs's user avatar
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3 votes
0 answers
276 views

Lubuntu: text on system menus/bars appears blurred when memory usage is high

I have an old system (Core 2 Duo 2.0 GHz, 3 GB RAM), running Lubuntu 14.10. When I run memory intensive applications, the text on title-bars, menu-bars and notification panels appears extremely blurry ...
piggs_boson's user avatar
3 votes
0 answers
387 views

Is it possible to suspend applications?

The main idea is to add a "suspend" button to the title(behind the "quit" cross button) of the application window that will copy the memory taken by application to swap/local storage with pid ...
Alex Shapkin's user avatar
3 votes
1 answer
456 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. ...
Deepal's user avatar
  • 1,656
3 votes
2 answers
3k views

Combining two laptops to increase memory

I have two laptops with the following specs and I want to connect them to increase memory so that I can increase the performance of the scientific calculations that I need to do at home. HP Pavilion ...
user178882's user avatar
3 votes
2 answers
380 views

ux31a freezes when running out of memory

I have difficulties to understand swap policy. I have installed system (ubuntu 13.04 but 12.10 had same issue) with 4gb of swap partition because ux31a has 4 gb of memory. Problem is that every time ...
Mateusz Juraszek's user avatar
3 votes
3 answers
2k 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 ...
Cesasol Vg's user avatar
2 votes
0 answers
2k views

Unexpectedly high memory usage in Ubuntu 22.04.3 LTS

I have noticed for a while now that my system seems to be using up my memory much more quickly than I would expect. When it gets like this, I do notice it slowing down a bit at time, and my fan starts ...
Niven's user avatar
  • 221
2 votes
0 answers
328 views

Memory Problems with Ubuntu 22.04 after upgrading packages

I upgraded (just packages via apt update && apt upgrade) my ubuntu 22.04 system this morning. Since then I have problems with the memory. I have 24 GB RAM installed in my HP Notebook. Ubuntu ...
Johannes Willems's user avatar
2 votes
1 answer
466 views

OOM keeps killing VirtualBox

For the past few weeks I've had a serious problem. The Out Of Memory killer of my Ubuntu host keeps killing my VirtualBox session (a Win10 instance). I've assigned only 3Gb to Win10 and there's 16Gb ...
dargaud's user avatar
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2 votes
0 answers
2k views

zram: swappiness, vfs_cache_pressure, page-cluster, dirty_ratio and dirty_background_ratio settings for gaming machines with HDD and low RAM?

I'm trying to game on Linux, but my biggest bottlenecks are my HDD and my 8GB of RAM. I used zram to allow more data to be stored in my RAM by compression (using lz4 algo with 100 priority and "...
alex333333's user avatar
2 votes
0 answers
264 views

Ubuntu 20.04, Memory cache exhausts immediately upon booting

I'm not a supernerd, but I know some stuff, and I'm pretty sure my system is not supposed to work like this. I recently reinstalled Ubuntu 20.04 from the bones up on my home-built desktop because I ...
Deges's user avatar
  • 21
2 votes
0 answers
986 views

Ubuntu 22.04 on Hyper-V: missing RAM

Update: Since it seems like I'm not the only one curious about this (got me another curious badge), we clarified the root cause: the Ubuntu VM inherits the reserved (GPU) memory from the Hyper-V host. ...
OttoEisen's user avatar
  • 766
2 votes
0 answers
384 views

HBA card seems disabled, link appears downgraded. Not sure why

I have a HBA attached in a 8x pci slot, however, it is showing as x4 (downgraded). In addition, it seems to be disabled. I assume these things are not normal and the reason my setup is not working. ...
Trevor K Smith's user avatar
2 votes
0 answers
999 views

Allow disk cache to use as much of RAM as possible

I recently learned that Ubuntu uses disk cache / filesystem cache (size is displayed in system monitor). I couldn't see any documentation that says there is a default limit on how much RAM can be used ...
Nagabhushan S N's user avatar
2 votes
0 answers
1k views

Ubuntu 20.04, 16 GB ram installed, only 8 GB detected

I got 16 GB of RAM installed for Ubuntu 20.04 64-bit, but only 8 GB are usable. I tried to remove 1 slot of RAM and it turned out I got 12 GB available. Is there any way for me to make the OS support ...
Ex Trolly's user avatar
2 votes
1 answer
240 views

dconf-service using 11.5GB RAM on Kubuntu 20.04

Running Kubuntu 20.04.on Samsung Ultrabook, 12Gb RAM, 32GB Ssd, 500GB HDD. The OS is installed on the SSD and all my files are on the HDD.  After latest update, the fan run high and  the Computer ...
Spiv's user avatar
  • 143
2 votes
0 answers
65 views

Is it possible to calculate how much memory ubuntu will need to boot?

Upgrading ubuntu 16.04 (server, not gui) to 4.4.0-194 kernel resulted in out of memory errors on a number of my servers, they'd been minimal purpose-built customized ubuntu vm's that had worked well ...
Peter Turner's user avatar
2 votes
0 answers
604 views

BIOS detects RAM but Linux is not using all of it

I have 2x 4gb RAM modules installed in slot 1 & 2 on my mobo, with the server running Ubuntu 20.04.1 LTS. It looks like BIOS is seeing both modules: sudo dmidecode --type 17 Handle 0x0011, DMI ...
Parker Thomas's user avatar
2 votes
0 answers
456 views

Ubuntu only detects 6 GB out of 8GB RAM

I'm using Ubuntu 20.04 and my laptop has 8 GB ram but I'm only able to 6gm of it in ubuntu. Also, I'm not able to get a proper driver for my Nvidia GTX 1650. What shall I do?
Bharath Srinivasan's user avatar
2 votes
0 answers
690 views

MongoDB MongoError: Out of memory

I have a newly installed MongoDB server running on an AWS Ubuntu EC2. The server has nothing else installed on it. The DB currently contains 35 documents of 3 MB each, meaning less than 110 MB of data....
A-S's user avatar
  • 183
2 votes
0 answers
734 views

On Ubuntu and in hardware is it possible to extend GPU DRAM with CPU RAM

I am doing machine learning on an Nvidia 2080TI GPU using PyTorch. It has 11GB of DRAM and I have 32GB of CPU RAM. I have to carefully tune my batch to fit inside 11GB. Using CUDA unified memory I ...
Lars Ericson's user avatar

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