Questions tagged [ram]

Random Access Memory is a fast and volatile data-storage bank used in computers to store data and machine code currently being used.

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Do applications have priority over tmpfs for RAM usage (in the presence of swap)?

TLDR; If /tmp in mounted as tmpfs, in the presence of swap, is there any kind of priority when swapping ? Does tmpfs start to swap before applications ? FULL STORY I have a laptop with 32G of RAM (...
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If I don't log in the desktop environments, does the desktop enviroment still cost RAM?

For linux (Ubuntu, Debian, etc), different desktop environments cost different amounts of resources (RAM). Gnome and KDE tend to cost more RAM than others like XFCE / LXDE / LXQT: https://unihost.com/...
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How do I reset systemd-logind vram without restarting or logging out

Sometimes on various machines in various distros with various cpu/gpu architectures, users will find systemd-logind to accumulate a large quantity of ram/vram if the machine has not been restarted for ...
Joshua Robison's user avatar
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Why do Browsers crash on my machine with Nvidia Drivers?

For a while now on my system browsers crash very often (between 3 times in a row when opening and once every hour). Sometimes the entire browser crashes, sometimes its only one tab. I normally use ...
decimo's user avatar
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Accurately monitoring RAM and swap usage while running zswap compression

I'm running zswap on 6.2.0-39-generic (Ubuntu 22.04, HWE). My understanding is that zswap intercepts pages marked for swap, compresses them (if possible) and stores them in a compressed section of the ...
user3012926's user avatar
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Why are CONKY memory RAM use stats higher than HTOP?

I have two different setups, one on virtual machine, and one standard, both on Linux, one on MINT and the other on MX. But on both, the CONKY stats for idle system RAM usage are around 200MB higher ...
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What is the minimum swap size for hibernation?

Consider the following scenario: I'm running a Linux system with a large amount of RAM. Swap is disabled, except for hibernation. When hibernating, let's assume that RAM data can not be compressed ...
programonkey's user avatar
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Linux see 20GB ram instead of 24 GB

I used to have two RAM sticks, of 8GB each. I switched one of them for a 16G stick, and expected I would now have a total of 24GB but I have 20GB instead. The result of free -h: total ...
vdkt's user avatar
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With what command is possible know the RAM's DDR type, Speed and Frequency by each slot? [duplicate]

For a computer, such as laptop or server used for developing and server purposes respectively and taking in consideration that can't be opened. With what command is possible know the following specs ...
Manuel Jordan's user avatar
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With what command is possible know the mainboard requirements about the RAM?

For a computer and/or laptop used for developing and as server purposes, of course, it according with the hardware itself. Question With what command is possible know the mainboard requirements about ...
Manuel Jordan's user avatar
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Command(s) to know If the current RAM installed by slot is ECC/Non-ECC and Buffered/Unbuffered

About RAM for laptops I did realize that is available ECC Non-ECC Buffered Unbuffered It according with: Kingston Technology KVR16LS11/8 8GB 1600MHz DDR3L (PC3-12800) 1.35V Non-ECC CL11 SODIMM ...
Manuel Jordan's user avatar
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Looking for a TUI that can visualize CPU/RAM usage data captured by atop

I've seed s-tui, and it is lovely, but is there something similar that can display usage data that was already captured into files? I'm using atop to generate these files. If needed I'll switch to ...
user2761064's user avatar
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4GB of memory being used by nothing?

I have 32gb of ram installed in my system, but after running for a day or two, the memory starts to add up out of nowhere. Using free, the system claims that 8.9gb of memory is being used, out of the ...
Jeff Chen's user avatar
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htop shows lower memory consumption than free -h or top

I have a laptop with Artix Linux installed. When I check my RAM usage using htop, it shows significantly lower memory usage than free -h. Here's an example: htop: Mem[||||||||||||| 1.45G/7.60G]...
visilii's user avatar
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i have 3.3gb useable out of 8gb installed, x64 linux mint

after looking at the sys monitor i saw that out of 8gigs i only had 3.3 available. both of the 4 gig sticks are perfectly fine, and the slots are perfectly fine, but it shows 2x4gigs in bios, and 2x4 ...
deitz nuts's user avatar
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What files can an XMP-enabled RAM corrupt, if the RAM fails Memtest?

Background: I purchased a new computer, and during the past two months, I experienced the computer freezing, thrice. When it freezes, I have no option other than to reboot the computer. last -x showed:...
Nav's user avatar
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Swap doesn't make sense as RAM graveyard (as RAM is million times faster) [closed]

Swap doesn't make sense at all unless you are very low on ram. disc is 1000000 x slower than RAM swap makes everything wherefor much slower It should not be activated at all unless in very last ...
wxvbnlz's user avatar
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single channel mode in spite of dual ram boards [8 + 16] GB

I have a Dell Latitude 3420 with Dual SO-DIMM RAM slots. 8GB came with the device and I plugged in 16 GB more thinking that "more RAM = more speed". Processor is 11th Gen Intel(R) Core(TM) ...
vrgovinda's user avatar
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My Acer aspire x1700 running linux mint 21.1 sometimes freezes up and is slower than Windows 7 was

lscpu returns this: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 36 bits physical, 48 bits virtual Byte Order: ...
Josh Reimer's user avatar
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Intel MKTME boot/grub problem/issue with Ubuntu

So moments after booting Ubuntu 20, 22, 23 (including applicable Pro editions) from a Dell XPS running 32 Gb of LPDDR5 and a Intel VPRO 1280p, the top right corner flashes and only this dialog with ...
Debs420's user avatar
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Is it possible to use a USB stick as additional RAM, excluding the use of swap partitions?

This question is two-fold: I have a crappy little netbook with just 4GB of RAM, I've been running Linux on there for a couple of years, with just 4GB of ram. It's functioned well under the ...
Lee's user avatar
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Comuter freezing on full RAM/possible cache problem

After installing Arch Linux on my Notebook I experience a weird problem: Opening firefox or any other browser (or any application with high RAM usage) RAM (12 GB) is filling up pretty quickly, even ...
Bl_nk's user avatar
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Extend Swap partition

I have a system with 125G ram available and a swap partition with 4G, which is constantly full. On a disk with 223 GiB available, I would like to increase the swap partition. Is it safe to just ...
Grigorios's user avatar
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python uses the entire RAM when running code

I guess the issue is not with the python specifically but with overall RAM management in Linux. So here's the code: !pip install numpy opencv-python pandas matplotlib tensorflow scikit-learn import ...
dummygum's user avatar
2 votes
1 answer
798 views

Why I can only access half of RAM whatever the total is?

I have an Intel 11700 with 4*32 GB RAM. When 4 physical RAM slots are filled, BIOS, htop, sudo lshw, sudo dmidecode dmesg (whatever command I use to display the total RAM on the system) all display ...
ZhuJerry's user avatar
1 vote
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Clear RAM Memory Cache and buffer on production Hadoop cluster with HDFS filesystem

we have Hadoop cluster with 265 Linux RHEL machines. from total 265 machines, we have 230 data nodes machines with HDFS filesystem. total memory on each data-node is 128G and we run many spark ...
yael's user avatar
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Recommended kernel parameters for zswap

There are a lot of proposals for this in the zram context, but not for zswap. What would be acceptable kernel parameters? vm.swappiness=100 (or even higher?) vm.vfs_cache_pressure=500 (really?) vm....
mav's user avatar
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What is using my RAM?

My laptop has started swapping like a cat: When I do nothing, it does nothing, but as soon as I do something it starts swapping. $ free total used free shared buff/...
Ole Tange's user avatar
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How can I wipe RAM after shutdown

I have heard about memtest86 how can I install it to Debian ? Is it good ? https://gitlab.tails.boum.org/tails/blueprints/-/wikis/more_efficient_memory_wipe/memtest86plus/ Or do I use ...
Bulcsú Édes's user avatar
1 vote
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All memory consumed by nothing in Linux

I have a 8GB machine running Ubuntu 5.15 kernel. I only have 1GB of available memory even just after reboot. I tried free -m, cat /proc/meminfo and ps aux tricks to list the most memory consuming ...
xdxdxd's user avatar
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How do i list all consuming program by cpu, memory

I wanna list down all consuming cpu, memory programs. there are bunch of top and questions about it, but all of them not list them by programs. like for example a python webservice could spawn ...
TomSawyer's user avatar
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Is it better to have NO swap partition on a system which is installed on SSD and has 256GB RAM?

Of course, the purpose for swap is if your RAM runs out. But with 256GB RAM, I doubt this will happen. A greater concern is that the frequent writing of the swap partition could wear out the SSD. As ...
unixaddict's user avatar
3 votes
3 answers
287 views

VLC takes up 600 MB RAM. Why?

I have 2 instances of vlc running. One is playing. One is paused (and mostly swapped out). top - 14:25:01 up 23 days, 19:19, 69 users, load average: 2.36, 2.61, 4.19 Tasks: 905 total, 3 running, ...
Ole Tange's user avatar
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2 votes
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have clear screen clear konsole ram

how do I set it so clear command clears the output that was stored in ram from my understanding, konsole keeps screen output in ram. I want to clear that when I clear the visible part of the screen ...
stacking and exchanging woohoo's user avatar
4 votes
1 answer
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How does large address aware (LAA) work in Wine?

Can anybody clarify how support for large address aware (LAA) for 32-bit applications works in Wine? I know that by default in Windows, 32-bit applications are limited to a maximum of 2GB of RAM; ...
Time4Tea's user avatar
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1 vote
2 answers
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Why did 10 GB of RAM disappear?

I have a Lenovo IdeaPad 3-15ADA6 Laptop, Type 82KR, with Debian 11 Bullseye. I have just installed a brand new RAM chip, Corsair Vengeance 8Gb DDR4 2400MHz, as from Lenovo specifications. If I run ...
Neo710's user avatar
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1 vote
1 answer
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How to Get Total Count of Non-Swappable Pages in RAM?

I am trying to debug some ML code that requires pinned physical memory, and in order to help with this, I would like to figure out how much of physical RAM consists of pages that can't be swapped out (...
Agent 008's user avatar
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1 answer
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how to verify when RAM memory was update on RHEL machine

we have VM machines (machines are RHEL 7.9), and recently machines RAM memory was update from 32G to 64G is it possible to verify on which date? memory was update?
yael's user avatar
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2 votes
1 answer
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A realtime priority application is consuming all of CPU

I am running PopOs 22.04 on my dell laptop [amd64, intel i3, 4GB ram]. The booting was taking so much time, so I run sudo dmesg in terminal and it shows error: rcu: INFO: rcu_preempt detected ...
Pravesh Kumar Sharma's user avatar
1 vote
2 answers
994 views

On AlmaLinux 8 or CentOS 7, does vm.swappiness=0 mean that Swap is fully disabled?

I've been having an issue for many years where I have vm.swappiness=1 in sysctl.conf, but even though there's plenty of RAM available (possibly almost full in terms of cached, although still 4GB free ...
Nuno's user avatar
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1 vote
1 answer
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how to copy text of file to ram (to do paste later)

I would like to copy the content of a file (string) to my ram memory. As in copy of a text so I can do paste later. Example: I have a file name: my_pub_key.pub and inside there's big amount of chars. ...
ProcolHarum's user avatar
1 vote
1 answer
416 views

Is it possible to load up a binary into ram, without executing it?

Like I will use google chrome whenever I use linux (most probably) But I don't want it to auto start when ever I open it. I could open it manually, but I have HDD so it is pain to load for the first ...
Afroz Alam's user avatar
4 votes
3 answers
2k views

Auto detect RAM and create double the swap memory

I'm able to auto detect RAM in GB as below and round off to the nearest integer: printf "%.f\n" $(grep MemTotal /proc/meminfo | awk '$3=="kB"{$2=$2/1024^2;$3="GB";} 1' | ...
Ashar's user avatar
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5 votes
1 answer
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Why is my system using swap when RAM fills up with cache?

I'm running openSUSE TW, 32 GiB RAM, 64 GiB swap (SSD). Swap usage is zero up until the point when RAM gets fully filled up with cache. I'm using htop to monitor it. Yellow/orange = cache My system ...
TypicalHog's user avatar
1 vote
1 answer
485 views

Abnormal RAM usage

from past several days, a weird problem is worrying me. My fedora takes too much RAM than usual, on idle the usual RAM usage is around 2 GB, but it hikes up to more than 5.2 Gb which mostly results in ...
Penguin's user avatar
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1 vote
1 answer
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Compilation taking too much RAM?

I'm trying to compile a custom Linux Kernel but when I get to the last step and compiling VMLinux.o, the make process gets killed and shows error137, which means that I'm out of memory. I'm on 4gb RAM,...
Juanes's user avatar
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1 vote
1 answer
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Do linux processes actually separate cache?

It seems like every time someone complains about how a lot of memory is being used, all of the responses claim that it is just cache, it isn't harmful, it will be reallocated when needed, etc, even ...
Teipekpohkl's user avatar
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1 answer
505 views

What unvisible process consumes almoust all RAM?

I am using Fedora but had this issue also with other distros for a long time and never found a solution. So while using my computer, mostly only browsing with Brave and coding with VStudio, memory ...
Karol Muczkowski's user avatar
1 vote
1 answer
1k views

Is increasing the max_pool_percent parameter for zswap a smart idea to combine concepts of zram and zswap to increase memory and decrease disk usage?

I don't know if I'm missing something, but please take this with a grain of salt. So, zram is used to reduce I/O operations on the disk by making a swap on the memory which eliminates system freezes ...
alex's user avatar
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0 votes
1 answer
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Mount filesystem with DAX enabled on RAM

I am trying to mount a filesystem with DAX feature on RAM. I used this answer to load brd module and get /dev/ram0. Then I tried all 3 filesystems that support DAX: ext2, ext4 and xfs. However, when I ...
Ana Khorguani's user avatar

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