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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Is ubuntu 20.04 + android studio can run with 4GB of ram? [duplicate]

I have never used ubuntu before. For the first time I'm going install ubuntu 20.04 on my PC. I checked the system requirements for 20.04 version - it requires 4GB of memory & my PC has only 4GB of ...
Changer's user avatar
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Loading a large Linux distribution such as Ubuntu into mapped partitions on RAM such as DDR4

Loading a large Linux distribution such as Ubuntu into mapped partitions on RAM such as DDR4 Is there any way of booting from SSD/USB/NVMe/eMMC to have a Linux OS, such as Ubuntu, plus applications, ...
SouthWalesMale's user avatar
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Wrong display memory usage by htop command

I use WordPress and Nginx in Ubuntu 20.04. I have a VPS with 2 cores and 4GB RAM, but the RAM has always been showing in htop under 1GB, but in my control panel I could see the RAM usage after about ...
Mahmood_M's user avatar
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vscode process using almost 5GB of memory

I'm using vscode IDE on my macbook air and it was getting too slow and stared to see what's going on and ended up with this, Is it normal behaviour?
Arun Panneerselvam's user avatar
2 votes
1 answer
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RAM missing for Ubuntu, present for Windows

I am moving a machine from Windows to Ubuntu. Machine has 4 DDR3 memory sockets, 4 GB each. After installing Ubuntu desktop 18.04 64 bits, I find only 8 GB, using "free command", but "...
Sebastia.Net's user avatar
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Discrepancy between physical and virtual memory

I just bought a brand new hp laptop with 8Gb(2x4Gb) RAM. After installing ubuntu 20.04(as a single system), i noticed that htop shows just 5,9 Gb of memory and 2Gb swap. Am i an idiot or there are 2 ...
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RAM Listed in dmidecode and bios but not used?

I am running ubuntu 20.04 on a b450m ds3h motherboard. I have 4 8GB ram stick which individually tested all work on the same board. However when I place all of them in the bios sees and lists them, ...
SimpleRynocerous's user avatar
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Trying to allocate more RAM to Unbound and getting a warning "To fix: start with root permissions"

In my unbound.conf file I'm setting the following: Ensure kernel buffer is large enough to not lose messages in traffic spikes so-rcvbuf: 4m so-sndbuf: 4m When I run the command unbound I get the ...
Noobuntu's user avatar
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Lubuntu freezing

I just installed lubuntu and it was fine until when i opened firefox and the discover app it freeze i tried to go to the terminal but my laptop is unresponsive the only way to get out is to force ...
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Ubuntu 20.04 taking way too much ram

Some time ago I noticed a lot of ram(1.8/8GB) being used when my system was idle with only a day of uptime. I had to reinstall my Ubuntu because of some reason and now the ram usage has risen up much ...
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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....
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Ubuntu using a lot of ram when idle

I recently started to notice that ubuntu is using a lot of ram even when I'm idle. I'm on Ubuntu 20.04 and when uptime of only 10 hours ubuntu is using 1.9GB/8GB with/without extensions. This is the ...
Heisenberg's user avatar
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Ubuntu 20.04 doesn't kill the process that suddenly uses all the RAM, which causes the system to crash?

I am using Ubuntu 20.04, now if i am not mistaking, Ubuntu has a built in feature that kills a process if it suddenly uses all the RAM to stop system crash, i have seen it happen ( for example it ...
OneAndOnly's user avatar
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Understanding memory management

I have an Ubuntu instance running a Node app. This is a web server application, so it is a long-running program that doesn't exit. If I then run a Node script: node ./something.js, would this process ...
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how do i add swap memory to already installed ubuntu? [duplicate]

I recently installed Ubuntu and in the process of completion i realized that i had not dedicated a swap memory during installation. How can i go about adding the swap memory without reinstalling ...
vincent manono's user avatar
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High RAM usage in Ubuntu 20.04

While using only 5-6 tabs of Chrome, my RAM usage is about 95%-97% and always stays above 90%. My laptop has 8GB of RAM.
Akash Patil's user avatar
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How to tell if dual channel is working

I got this issue: Yesterday I built my pc with 8gb of ram on dual channel (2x4), but after the installation I realized that there was no 8gb of ram, THERE WERE 20GB!! The guys who I brought one of the ...
Nahuel Alejandro Cáceres's user avatar
2 votes
0 answers
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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
1 vote
1 answer
2k views

Ideal RAM usage in Ubuntu server 18.04 LTS? [closed]

I have my ubuntu server setup at Amazon AWS. Specs are- RAM - 1 GB Processor - Intel Xeon, a single core allotted to me. When I login, I find that RAM usage is always near 42%, I have setup apache2 ...
user13812638's user avatar
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VLC virtual memory problem

The laptop has Kubuntu 20.04.1 installed and 4 GB RAM memory and VLC version 3.0.11 installed via snap. After watching several MP4 videos with VLC the virtual memory increased to 2,6 GB RAM from 4 GB ...
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System gets extremely slow while copying big files from USB

My system gets extremely slow when I copy big files from my USB. The system gets so slow that the mouse cursor can't be moved. Some information about my laptop: i3, 4 GB RAM, and 1 TB HDD. Laptop ...
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I just upgraded my RAM and still running slow. Can I add Mem from Swap?

I have two slots of RAM, 4 GB and 8 GB (just added). But, it runs like it has 4 GB only (just like before it's upgraded). I try to monitor my memory usage with free -h, and this is the condition: ...
ratavagn's user avatar
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slowness becuse of my RAM [closed]

I have my laptop for about 4 - 5 years with a 4 GB RAM and until last year i was using windows when I noticed a gradual slowness in my laptop which I think it is related to my low RAM and it became to ...
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Raspberry Pi 4 Ubuntu 20.04 64-bit - Why only 3.7GB out of 4GB available?

I have Raspberry Pi 4 Model B, 4GB version. 4GB = 4 x 1024**3 = 4194304k If I do the following... dmesg | grep Memory I get... [ 0.000000] Memory: 3783876K/4050944K available (11772K kernel code, ...
John Duffy's user avatar
6 votes
1 answer
765 views

How to set memory usage sort in top command as default?

I want to sort the memory usage in top command as default. So that i do not have to sort in every i run top command. How to do that? Thanks in advance....
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2 answers
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Ubuntu 20.04 doesn't detect all RAM

free -m total used free shared buff/cache available Mem: 7953 3334 1265 61 3353 4262 Swap: 6047 0 6047 sudo lshw -c memory *-...
mmiroslav13's user avatar
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1 answer
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How to reduce the load in the memory RAM

I have my Ubuntu 20.04 server with many cryptocurrencies daemons, I only have this kind of load in this server. Sometimes the server is running out of memory for these daemons, even if I have enough ...
Fábio Sousa's user avatar
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Why am I seeing Virtual Memory when Swap is off?

Why am I seeing Virtual Memory when Swap is off? What does this mean? I am running from live usb - so swap is off. Edit: There are other Q&A's (1, 2) that explain about Virtual Memory and Swap. ...
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Ubuntu 18.04 uses just 2 GB of 16 GB RAM. Do I need to do something about it?

I have 16 GB RAM, but my Ubuntu system just uses a maximum of 2 Gb!!? What should I do about this, if anything?
Badreldin Afifi's user avatar
2 votes
2 answers
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Why does memtest keep freezing?

My computer is very old, and uses DDR2, with a max of 8 Gigs of RAM. I recently replaced the two RAM cartridges in my computer with enough RAM to max it out. But, just a while ago, I tried to run a ...
SyntheticHuman's user avatar
21 votes
3 answers
29k views

Gnome-shell is taking a lot of ram

I recently reinstalled ubuntu (about a month ago) and gnome-shell usually uses about 150-300 MB ram but suddenly from the last 2 days, gnome-shell is taking a lot of ram(Even jumps up to 2GB). I only ...
Heisenberg's user avatar
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1 vote
0 answers
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Missing RAM on 64 bit Ubuntu 18.04

BIOS shows 6 GB of RAM installed, but only 3.1 GiB RAM is shown in the about page of settings. Ubuntu is 18.04.5, 64 bit version. Following is output from free: total used ...
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How to find the latency of my ram memory in ubuntu 20.04?

I am going to do a RAM upgrade for my laptop. I have a DELL G3 3579. I already figured out the main characteristics of my RAM: 2666 Mhz, 1.2V, DDR4, SODDIM type. Although, I still didn't find the ...
Guilherme Parreira's user avatar
3 votes
0 answers
1k 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 ...
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3 votes
1 answer
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ECC disabled in the BIOS or no ECC capability, module will not load

I have a new AMD 3400g PC running Ubuntu 20.04. I was looking at dmesg where I see this repeated eight times: [ 5.534686] EDAC amd64: Node 0: DRAM ECC disabled. [ 5.534688] EDAC amd64: ECC ...
Simd's user avatar
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1 vote
2 answers
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Ubuntu 20 freezes when swap nears limit, but there's free memory available

I'm running Ubuntu 20.04 on a Lenovo X1C 7th Gen with 16GB RAM. The swap is set to 2GiB. Just after entering edit mode on a photo in Google Photos (in Firefox), which I'm pretty sure has a serious ...
Dan Dascalescu's user avatar
0 votes
1 answer
290 views

How to record the RAM usage during Python and C++ run time?

I want to compare the RAM consumption for a Python versus C++ implementation of a code I have written. Essentially I am looking for a command like: <record ram> python3 main.py and <record ...
GeneralCode's user avatar
1 vote
0 answers
922 views

How to calculate the required value and specify mtrr_gran_size/mtrr_chunk_size?

I have 16GB RAM and 8GB swap memory. I am running Kubuntu. upon checking a log after boot i see a section where it says, "mtrr_cleanup: can not find optimal value, kernel: [ 0.003112] please ...
hsinam's user avatar
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1 answer
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Upgrading computer RAM

I am planning to upgrade the computer RAM: will I have to reinstall Ubuntu? I am asking this question because of the swap partition: if I double the RAM do I have to double the swap partition too?
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Why does lshw command on ubuntu shows me ram information different from what I see on my ram when opening my laptop?

When using lshw command to verify my ram info it shows that i have: SODIMM DDR3 Synchronous Unbuffered (Unregistered) 800 MHz (1.2ns) But when i open my laptop I see that i have: 2GB 1R×16 PC3L-12800S-...
Guy Cherubin's user avatar
1 vote
1 answer
1k views

snap-store and gnome-software taking too much ram

I didn't even opened ubuntu-software store when this showed up. Is there a way I can avoid this from happening? Also, if I remove the snap-store package will I'll be able to install snap apps using ...
Heisenberg's user avatar
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3 votes
3 answers
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Downsides to disabling/removing swap?

I understand swap is like an extention to RAM and is mostly used when the amount of free memory is below a certain threshold - which can be set with vm.swappiness in /proc/sys/. Swap can also be used ...
GChuf's user avatar
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2 votes
1 answer
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memory allocation different when lookup in system monitor

I write a c program to allocate specific size of memory and free them. Defaultly, it create totally 100MB memory by malloc 1MB for each entry of a 100 size array. When I lookup system monitor and find ...
code_worker's user avatar
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0 answers
339 views

OOM killer never runs

For some reason, when my system runs out of free RAM, the system freezes and doesn't ever unfreeze. This often also has the disastrous result of the ext4 driver dying. My question is, how do I make ...
Avamander's user avatar
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1 answer
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Ubuntu crashing - memtest86 shows failed tests - can tweaking UEFI help or Grub BadRam?

I was asked to fixed an out-of-warranty laptop where windows 10S would hang for hours on boot & never launch. After trying everything i could think of, i gave up and installed Ubuntu. Ubuntu ...
fgadev's user avatar
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1 answer
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I can't use all of my ram in Ubuntu 18.04.4 LTS

I noticed that my desktop wasn't running very fast so I checked how much RAM I had installed. I counted 12GB. But when I looked at how much Ubuntu said I had, it only said 5.8GB. Please help, 5 gigs ...
DivineYBN's user avatar
0 votes
0 answers
315 views

Error on boot after dev/sdb1: clean, ***/*** files, ***/*** blocks

Have a boot error where Ubuntu fails to properly startup after giving the line: dev/sdb1: clean, ***/*** files, ***/*** blocks where dev/sdb1 is my root file system. This error popped up after my ...
Eric's user avatar
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1 answer
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Ubuntu freezes, what's the shortcut to solve the memory leak problem?

my Ubuntu recently freezes if I leave the desktop on for days. I could simply resolve it with CTRL+F2 or ALT+F2 then type 'r' command. Since Ubuntu 20 (not sure it's the version) the 'r' doesn't exist ...
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HP notebook 17 - partial memory detection problem - U20.04

Do you have any suggestion to help me recover my full physical memory? I already searched in the bios and added the mem=8000mb command line to my grub. dmidecode 3.2 Getting SMBIOS data from sysfs. ...
DavidS's user avatar
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1 vote
1 answer
128 views

Adding ram to my hp laptop

I want to add 4gb ram to my laptop but confused which one should I buy as I can't figure out my ram type. sudo dmidecode --type memory | less is giving this output Handle 0x0025, DMI type 16, 23 bytes ...
Yogi Katba's user avatar

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