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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Why does memory-heavy processes lead to system crashes when swap is available?

I run a bath (snakemake -j 1) of memory-heavy operations in Python: subtracting two arrays up to 15 GB each, then calculating norms of the difference. Surprisingly my system started to misbehave: ...
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How can I check whether Memtest86+ has frozen or is irresponsive due to running a test?

Due to the comment on my question Why low swappiness (10) leads to system crashes? I decided to run memory test. When It starts automatically with the default "Fail-Safe" option, the screen ...
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Why low swappiness (10) leads to system crashes? [duplicate]

As I have 128 GB of RAM, I wanted to minimize swap usage by setting vm.swappiness to 10. I ran a bath (snakemake -j 1) of memory-heavy operations in Python: subtracting two arrays up to 15 GB each, ...
abukaj's user avatar
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StarCraft II eating my RAM

I recently installed StarCraft II, by installing the battle.net luancher, through Lutrus. I played a match of Direct Strike with my friends and I had severe lag, so I opened system monitor. I have 8GB ...
Dejagperd's user avatar
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Not enough physical memory is available to power on this virtual machine with its configured settings - VMWare Workstation 17.0.2

After recently bumping up my RAM to 64GB to freely toy with some more powerful VMs, I've disappointingly found I'm unable to boot anything with more than 3668 MB of RAM allocated - VMWare itself is ...
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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 ...
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Ubuntu graphics / boot problem after RAM upgrade

I have an old PC that worked fine since maybe 2012 (motherboard+processor 2014). Recently I got Ubuntu 22.04 and everything was working fine. Even after my 12-year-old VGA died, the onboard video kept ...
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Why are new writes to files not surviving a power loss

I have a similar type of issue to: Raspberry Pi: Filesystem writes files, but after reboot the old data is back but not quite the same. I am using Armbian_23.02.2_Orangepizero_jammy_current_5.15.93 ...
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How to leave some RAM aside for virtual terminal?

I want to leave some RAM aside for a virtual terminal that is accessed through Ctrl+Alt+F2. When my computer froze, I tried to switch over to it to kill some processes, but it was not being brought up,...
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Optimize system for rapidly loading large volumes of data

I'm running a complex Matlab program on my Ubuntu computer. It needs to load several .MAT files, each of which is several GB on disk and larger in RAM. I know it is possible to run this program - a ...
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Low Disk Space on "Filesystem Root" in Ubuntu

I keep getting this message (Low Disk Space on "Filesystem Root") every time I open Ubuntu. I run Ubuntu on VMware Workstation. I installed some packages for a simulator that I want to use ...
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OOM kills Python calculation in terminal via remote but not in a ssh

I don’t know why my Python calculation is running when I am using an ssh connection to a Linux machine (Ubuntu). The same calculation doesn’t work when I run it in a terminal via remote connection. ...
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How to check how much memory is being used for a software and how to increase memory for it?

Specifically, I'm using Ubuntu 22.04 and since the Rstudio software gets laggy sometimes, I want to check how much memory is being used for Rstudio and how to grant more memory for it. How should I do ...
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kmv/qemu vm guests and host are connected through shared memory to collect and cache data beteween them

0 The configuration: host: Ubuntu:20.04 OS, guest: Ubuntu20.04 OS. The two files use the 9p file system for interworking. The current progress is as follows: the mmap function in C language is used to ...
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How can I add/change shared GPU memory for my 3070 in Ubuntu 22.04?

I have used Linux a bit for research through the years but this is my first time messing with GPU things on my Ubuntu machine so a lot of this is new (I set up dual boot after recent frustrations with ...
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Why does gui restarts on peak physical memory usage, though there is still plenty of virutal memory?

This has happened often. Everytime I see peak RAM usage, GUI restarts. Please, I would be greatful for any help. What are any other information required ? This has been happening to me when I use ...
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How to Increase RAM cache/buffer on ubuntu 22.04 desktop

i have 32GB Ram I noticed my Cache is usually around 5gb or less. The most of my ram is wasting. in my understanding RAM's Cache is to speed up system and performance. so I was wondering are there ...
Anna Kessler's user avatar
2 votes
2 answers
3k views

Exploiting the potential of RAM in a computer with a large amount of it

I have a machine with 64 GB of RAM and I would like to be able to take full advantage of it in Ubuntu. Is there any application or way to achieve this? I mean something that leaves loaded in RAM ...
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Check RAM usage for i915 Intel GPU

I have a Lenovo Thikpad P14s with hybrid graphics : integrated Intel GPU and additional nVidia CPU. I used sudo prime-select intel to set it to use only the integrated GPU. There's a BIOS setting to ...
trent--'s user avatar
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nemo-desktop taking too much RAM

On Ubuntu 22.04 I am using nemo-*. It's nice to use, but it has 2 core memory leaks. Nemo - the file manager - here I usually am able to just close all the folder windows which kills the process and ...
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( fuse-zip ) Using cp reported running out of virtual memory

Hello I am using this command find ./"DCIM/Camera" -name "Camera" -print -exec cp -n -a -p -R -v "{}" "/home/username/path/to/destination/folder" \; to copy ...
ghostanime2001's user avatar
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Some apps crash before opening on Xubuntu

For example, if I try to open a video with VLC, I can see it appear on the System monitor but it's quickly listed with red and disappears. It could be RAM related. I have 4GB and it's shown as 70% ...
fede's user avatar
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Issue with loading system after RAM upgrade

I was trying to upgrade RAM for my Acer Swift 3 laptop(Ubuntu 20.04). It has 8 gb RAM(2 - 4gb sticks) which is expandable up to 12 gb. So, I added 8 gb stick with the same specs and removed one of 4 ...
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PTRACE_PEEKTEXT ptrace: Input/ouput error

I try to read the values from memory with using PTRACE_PEEKDATA. To find the memory address of specific line I am using with objdump - objdump --dwarf=decodedline ./exe_filename and got the output: ...
Aviel15's user avatar
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2 answers
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MariaDB killed by OOM Killer every couple days

my MariaDB server is being killed every couple days. × mariadb.service - MariaDB 10.6.12 database server Loaded: loaded (/lib/systemd/system/mariadb.service; enabled; vendor preset: enabled) Active: ...
Johnathan Nguyen's user avatar
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Ubuntu 22.04 LTS consuming high CPU and RAM on HP EliteBook x360 1040 G7

I am experiencing an issue with my HP EliteBook x360 1040 G7 that's running Ubuntu 22.04. For the past few days my PC has been consuming high amounts of CPU and RAM, causing it to overheat and display ...
Christaiwo's user avatar
3 votes
3 answers
841 views

Two conditions in if statment

I'm struggling in if statment I want the message "The system is highly utilized" pops whenever the memory usage or cpu usage exceeds 70%, now i tried the following 2 conditions in if ...
linuxnoobie's user avatar
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Ubuntu is very slow on VM

I recently upgraded my RAM from 4GB to 8GB on a 1TB Core i3 HP laptop. The assigned base memory of Motherboard on the VM is 4MB. I just found out that my Ubuntu is now slower than before. Could it be ...
fatima yakubu's user avatar
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Memory intensive process getting killed before swap memory is full

I have a very memory intensive Java program to run, at first it was giving heap out of memory error so I kept in increasing the heap size along with the swap partition (I only have 32 GBs of RAM and I ...
Sergio's user avatar
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How to monitor cpu and memory usage?

How to write script monitoring cpu and memory usage then prints a warning when usage is 70% (red warning)? EDIT: cpuUsage=$(top -bn1 | awk '/Cpu/ { print $2}') memUsage=$(free -m | awk '/Mem/{print $3}...
linuxnoobie's user avatar
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Unbuntu 18.04 full disk does not boot

I downloaded a docker file using sudo and the file filled my disk. Obviously I made a mistake. Now ubuntu does not boot. I only have a dark screen with a message saying : "UBUNTU: clean 3232039/...
thom3412's user avatar
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ETH Validator problem every cca 24h Out of Memory: Killed process 855 (Nethermind.runn)

I'm new and not so good with Ubuntu linux... :( please for help in this matter I'm runing ETH Validator on NUC 12th Gen i7 /32GB / m.2 2TB for validator /ssd 500gb for Windows 11 Pro system.... ...
alesk76's user avatar
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1 answer
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Considerations to upgrade memory RAM with Ubuntu already installed. Correct procedure post-upgrade

I have a HP Pavilion g4-2368la with Ubuntu Desktop 22.04 with 8GB of RAM, now according with the following official specs of HP: HP Pavilion g4-2368la Notebook PC Product Specifications The laptop ...
Manuel Jordan's user avatar
2 votes
1 answer
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macPro1,1 - ubuntu 22.04 only sees ~2GB memory, memtest sees all 8GB

Any tips on what could be wrong? The machine has 8GB of RAM memtest runs fine, tests and passes all 8GB But... top htop free -m all report 1,9GB ram as system memory BUT... lshw sees the ram sticks. ...
DM8's user avatar
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using ubuntu from a memory stick [duplicate]

When using Ubuntu from a memory stick is there any way to keep your settings and also not have to put in your wfi password each time?
fran's user avatar
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RAM usage by integrated graphics

I have a ThinkpadP14s gen2 with AMD Ryzen 7 pro 5850u with radeon graphics × 16, 16GB RAM and Ubuntu 22.04 LTS. System monitor detects only 12.4GB of RAM, so i thought it's because of integrated ...
Andrea Aliberti's user avatar
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Ubuntu 22.04 having reccuring deadlock freezes when working with a huge part of my RAM being in use (kernel 6.0.0 and 6.2.7) [duplicate]

I am working on a Windows-Ubuntu dual boot laptop, mainly using Ubuntu 22.04 for my studies. In the recent month I was working on a full stack Spring-Boot-Angular web application in IntelliJ and faced ...
Péter Békési's user avatar
1 vote
0 answers
161 views

Ubuntu 22.04 amd64 doesn't detect all my RAM

I have one ChannelA-DIMM0 Micron 4 GB RAM Stick on my notebook. The bios and Windows 10 correctly identifies my ram as being 4096 MB, however Ubuntu only detects 3.7 GB. What could possibly be the ...
LaurickBo's user avatar
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0 answers
114 views

How to increase memory due to RAM on Ubuntu 18.04 without BIOS

I want to increase memory due to RAM on Ubuntu 18.04 without BIOS Without BIOS, since I can’t enter the Advanced BIOS in any way As far as I know, although I don’t have a discrete video card, but ...
Володимир's user avatar
1 vote
0 answers
690 views

Ubuntu 22.04 Memory Leak

Over the course of a few days, I see the RAM Memory usage keeps going up and up. For example, I have 32 GB of RAM. System Monitor shows over 27 GB used, but when I look at Processes there is way less ...
rwg's user avatar
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1 answer
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Very weird memory use [duplicate]

out of nowhere my ubuntu 22.00 complained that it's memory was full. After some investigation I came across something really, really weird. Potentially worring. I listed the use of the various dirs in ...
user20656733's user avatar
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Ubuntu 22.04.2 LTS freezes and is very unstable

When I enter certain web pages, for example pluralsight, it freezes to the point of having to force quit to close the browser, also when a page is loading a lot, it still freezes. I have tried with ...
Ron's user avatar
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1 answer
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Gnome-shell uses more than 2GB when idle, with gnome calendar found in error logs

I found that whenever I leave my laptop idle for a while (no suspend because of Caffeine)it gets stuck and I need to force reboot the system by the power button. I tried disabling all the startup ...
Masoud Borbor's user avatar
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0 answers
166 views

Ubuntu 20.04 High RAM usage

I have a Linux VM that has 8 GB RAM. This is a screenshot of htop which includes all system information (tasks,services). There's no application using too much RAM when looking at the PIDs, but the ...
Onur İn's user avatar
2 votes
0 answers
260 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
-1 votes
1 answer
150 views

Where is my 800MB of RAM gone? Ubuntu is not detecting all my memory

I am a bit confused about my 800mb out of 2gb ram gone ? I already test the following command, sudo dmidecode | grep Size | grep MB Size: 2048 Mar free -h Type total used free shared buff/cache ...
Feystray's user avatar
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0 answers
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Is there memory latency checker for Ubuntu 22.04 on M1 chip?

I installed Ubuntu 22.04 LTS as a virtual machine on my MacBook with an M1 chip. Is there any memory latency checker for it? I tried Intel memory latency checker, but it needs msr-tools which doesn't ...
Jiaqi Ma's user avatar
1 vote
2 answers
122 views

Ubuntu won't map all physical memory

I have 589 Gb of physical memory but Ubuntu will only map 64Gb. e.g. free -h -t total used free shared buff/cache available Mem: 62Gi 1.0Gi ...
Simone's user avatar
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1 vote
1 answer
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Physical installed RAM is 6GB, but 4GB only is used by Ubuntu 22.04 as well as by Windows 7

My machine has 6GB of physical installed RAM 2x2GB + 2x1GB, but 4GB only is available by Ubuntu 22.04 as well as by Windows 7. launching dmidecode I can see: Memory Controller Information ... Maximum ...
ClaudioKlaus's user avatar
1 vote
1 answer
126 views

My RAM is recognized but system doesn't use all of it

I've installed 16GB of RAM on my computer. It seems to have issue in free memory and used memory. Please see the picture below.
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