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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can't suspend to RAM any more after upgrade to 14.04

I upgraded to 14.04 and now my laptop can't "sleep" anymore i.e. suspend to RAM doesn't work. How can I figure out what's wrong and fix this? edit 1 My hardware is a ASUS Zenbook UX32A edit 2 Well,...
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Is there any software application for Ubuntu like RAMDisk by Dataram?

Currently I create a ramdisk in Windows7 by using this RamDisk software by DataRam that has the ability to save RamDisk virtual disk image on shutdown and restore on Windows startup and sync data to ...
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responsiveness drops drastically when RAM get's full after upgrading from 13.04

Since I've upgraded from ubuntu 13.04 to 14.04 (and before 13.10) my system get's to it's knees when the memory get's full and has to start swaping.. Of course I know that a performance penalty ...
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Why does my system use so much cache?

Previously, on my desktop computer running Ubuntu 14.04, I had 4GB RAM, which I thought should be plenty. However, after being on for a while, my computer would seem to get slow. I have a system ...
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14.04 64 bit memory use

When I start the OS I have half of the memory used (1Gb) and now with chromium open this is the output of free: piero@piero-Vostro-400:~$ free total used free shared ...
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Can I save a file from RAM?

To be more specific, here's the situation. I was working on MyPaint from a blank document and, after a few hours during which I didn't save anything (of course…) the program freezed. I didn't close ...
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Are all pages of a process loaded in swap file / partition?

Swap space is the area on a hard disk which is part of the Virtual Memory of your machine, which is a combination of accessible physical memory (RAM) and the swap space Apparently, the virtual memory ...
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In Consistent RAM reports

"System Monitor" tells me i am using 1.3GB of 2.9GB at 42.8% "atop" tells me i am have 174.8M Free "top" tells me i have 3072772 total, 2894424 used, 178348 free 3072772KB = 2.93042373657227GB "...
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zram vs zswap vs zcache Ultimate guide: when to use which one

What the hell are they? how are they different (I've written my understanding in an answer below) In the Zswap system, when a page is evicted from the zswap to the actual swap is it stored in a ...
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How much RAM is this application using?

If I run top -c or htop I get processes with their memory consumption, but it is not what I want to see. Is there a command line that allows to see the RAM consumption of a given application ? For ...
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What is wrong with the memory usage?

I can't figure out what is consuming my memory... Could anyone help me? user@desktop:~$ free total used free shared buffers cached Mem: 8176992 6186776 ...
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Why is the minimum video memory for a virtualbox machine so large?

I'm creating many virtualbox systems with clean installs and such and noticed that the default video memory size is quite large. I could understand at the beginning of the Ubuntu installation a VGA ...
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Ubuntu Frozen every time when Memory usage over 80%

Ubuntu Frozen every time when Memory usage over 80%, It seems that the system hangs due to a load of disk IO - the screen is frozen and the only thing I can see is the indicator LED of disk keeping ...
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Know programs in cache

I have this situation with RAM and SWAP at the moment: $ free -h total used free shared buffers cached Mem: 7,7G 7,5G 159M 100M ...
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Lagging when swapping

I use Ubuntu 14.04 on my Lenovo E531 with 4GB installed. The problem is that when the RAM is about 70% full the system starts swapping. After swap is used (even if only 10MB is in swap) the system ...
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245 MB RAM are detected instead of 8 GB Ubuntu 64 bits

I run free -m and I got 245 MB of available RAM while I have 8 GB ! My BIOS detects 8 GB ! What can I do to 'recover back the RAM space ? free -m outputs this: total used ...
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Can Ubuntu cope with bad RAM?

I have installed Ubuntu on a computer which hat bad/defective RAM (memtest86+) showed that later. The thing is I did not have any problems with Ubuntu 14.04 while Windows 7 installed on the same ...
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Ubuntu does not recognize 8GB of RAM [closed]

I have just installed Ubuntu 14.04 64-bit on my laptop and on the system monitor it only shows 7.2 GB of RAM and not 8 GB. Why is that?
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Ubuntu 12.04 LTS doesn't recognize full memory?

I have Pentium 4 Desktop, Intel D915PGN mother board with a full 4 GB of ram, but my Ubuntu 12.04 64 bit only recognize 3 GB of ram, do you guys have any suggestion? Thank you
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Can I increase the size of the processor L1 and L2 caches? [closed]

Im running an Ubuntu server 12.04 and checked my CPU status with lscpu and got result: L1d cache: 32k L1i cache: 32k L2 cache: 6144k How can increase my Cache size?
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Ubuntu 14.04 (amd64) not detecting all of my memory

I've got 4gb of RAM installed in my machine but Ubuntu only detects 2.8gb of RAM If I run uname -a I get: Linux DeLillo 3.13.0-24-generic #46-Ubuntu SMP Thu Apr 10 19:11:08 UTC 2014 x86_64 x86_64 ...
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Is Ubuntu running all users at the same time?

Every time when I have some memory intensive things running on one user and switch to another one, I can see that the memory usage continues. Is the other user actually still running? If so, is it ...
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Ubuntu 13.10 ram? [closed]

Does Ubuntu 13.10 work well with an acer aspire one d255-2dqkk intel atom-n450 with 1GB of RAM? I tried it via the installation in an usb and by booting my pc with it and it seems working well... But ...
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Increasing swap memory in ubuntu 14.04

I want to know if it is possible to increase swap memory in Ubuntu 14.04. How is it possible? Another question: I installed Ubuntu 14.04 on my laptop (ASUS)...When I'm working with it and open URL ...
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Light alternative for Unity clock applet (netbook)?

Default clock applet is heavy based on evolution ( I think it is provided by this package )indicator-datetime. For this reason, on on Ubu 14.04, it is sucking about 30mb of ram ( as for htop info ) ...
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Why is Ubuntu 14.04 using too much RAM..? [closed]

Compiz in earlier versions of Ubuntu took around 60-65 MB of RAM. In Ubuntu 14.04, it is taking around 205-201 MB. And Nautilus took 35 MB of RAM in earlier versions, it is taking a minimum of 65 MB. ...
Muddassir Nazir's user avatar
3 votes
1 answer
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I had 2G of RAM and I upgraded to 6G and it only sees 3G

I did some searching, and I have a processor that supports pae. It is red when I run cat /proc/cpuinfo | grep pae I do have the 64 bit server version installed, however, I'm using a desktop. (That is ...
user269964's user avatar
1 vote
0 answers
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Oneconf eating up memory while in chrome

When I look at the dependencies in Synaptic, it shows Ubuntu desktop, and software center as being dependent on oneconf, and I do not wish to remove these. However whenever I get to a page which has ...
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How can I see in Lubuntu what RAM modules I have?

I have the latest Lubuntu installed on a laptop. How can I see how many RAM modules I have installed, and what type of RAM modules they are, without physically opening the laptop itself? I can see ...
ugcheleuce's user avatar
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What is memcached? Is it good for gaming or virtual machines?

This is a performance question: My machine always runs Ubuntu as the main, and as I login, it always starts up a Windows VM and firefox? If I install memcached, will it improve my performance? I ...
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How can I handle more than 2 GB RAM?

I got a Lenovo g475 laptop, with a AMD e-300 processor. According to what I have read, the processor can handle up to 8GB and same the motherboard. When I was using Windows 7 starter I could handle a ...
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What is the memory limit on ubuntu? [duplicate]

I'm new to Linux and was wondering if it had any limit. Windows has limit 32bit-4GB, 64bit-128GB or so. Does the 32bit version of Ubuntu have a limit?
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Memory is taken up by "invisible" threads

Xubuntu Saucy with 4GB RAM. When the computer is restarted and immediately after login, about 500 MB of RAM is taken according to free -m. Then I run some programs and memory usage goes above 3 GM. ...
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ramdisk not in ram (ubuntu 12.04)

I followed this post to create a ramdisk. After that, when I copy a file to the directory, the file was copied, but memory usage as shown in gnome-system-monitor does not increase. Also, I tried ...
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1 answer
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Is there a maximum swap partition size for 12.04, 64 bit

I am running 64 bit ubuntu 12.04 on HP Envy Spectre ultrabook, with 4GB of RAM. I have been running into problems with python code which uses RAM very inefficiently, see e.g. here, causing my code to ...
nikosd's user avatar
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Why do some processes use swap and others don't?

I experience from time to time when I'm working heavily, that my systems (Ubuntu 13.10) freezes. Syslog says, that a process had to be killed to to memory shortage. Killed process 4693 (chromium-...
Tim's user avatar
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my cache fills up but never goes down

I know Ubuntu manages memory autocratically, it stores cache on ram for quick program access, but every time I fill up the cache, it stays filled up, and Ubuntu it self cant delete the cache, if I ...
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How to convert to a Lighter wight Ubuntu 13.04 Desktop

I am using Ubuntu 13.04 Desktop and I'm happy with it. However sometime I think the older versions were better as they were lighter or utilized less resources. Is there any way that, it will ask me ...
Kuntal K. Basu's user avatar
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Why Doesn't The Full Amount of RAM appear?

I just upgraded by Gateway DX300x PC running Ubuntu 13.10 with a full 4GB of RAM. The specs say it should be able to handle this but when I check the System Settings it only shows 3.2GB of RAM. Is ...
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Memory check without rebooting?

I picked up a laptop at the flea market. Seems to be Chinese product for internal market. It had Windows Starter that didn't even boot at all. I installed Linux and found out that its motherboard can'...
Barafu Albino's user avatar
13 votes
1 answer
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Why is the evolution-calendar-factory process running? [duplicate]

Why is the evolution-calendar-factory process running? Here are some of the running processes (created with ps aux --forest) lightdm \_ /usr/bin/X -core :0 -auth /var/run/lightdm/root/:0 -nolisten ...
guettli's user avatar
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6 votes
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lshw not showing individual memory bank info

This is all I get: sudo lshw -C memory *-memory description: System memory physical id: 0 size: 7981MiB sudo lshw doesn't give any more info. lshw used to show ...
user255568's user avatar
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2 answers
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How to use my 6GB of free ram to optimize ubuntu12.04?

I also want to load faster on boot. If possible, can I shift all temp file hard disk operation to RAM?
shishir singh's user avatar
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Ubuntu Only shows 2.7 GB of ram, I have 4 GB!

I am new to Ubuntu, I dual booted it with Windows vista 32 Bit, in vista I Also only show 2.7 GB through internet research,I have concluded that, that was because I had the 32-Bit version of vista. ...
JoesLost's user avatar
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How to clean SWAP space in ubuntu 12.04 [duplicate]

I have a computer with ubuntu 12.04 installed. Unfortunately, when I run a memory taking program, it fills the RAM and uses the SWAP space. Then after the program terminates, the memory is completely ...
orezvani's user avatar
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2 votes
2 answers
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Ubuntu 13.10 64Bit version only shows 2.9GB of Ram

I have an old PC at home with 1.5 GB of RAM and as expected its quite slow. So I decided to install Ubuntu on a different PC. Intel Quad Core and 4 GB of memory, and a graphic card with dedicated ...
user2958509's user avatar
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1 answer
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Assigning RAM in a virtual machine

This is probably a really dumb question, but I want to be sure before I give my virtual machine memory. I'm going to try to install Linux on my mac through virtual box but I need to allocate RAM for ...
Chase'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
1 vote
3 answers
257 views

I want to know if increased RAM will help after conversion of XP-->Xubuntu 13.10

I'm using XP now in an old Dell PC. Here are the stats: OS Version: Microsoft Windows XP Professional, Service Pack 3, 32 bit Processor: Intel(R) Pentium(R) 4 CPU 2.80GHz, x86 Family 15 Model 4 ...
user250093's user avatar
1 vote
1 answer
390 views

Is Xubuntu more resource hungry than Windows XP? [closed]

I have a laptop with 512MB RAM running a dual boot of Windows XP/Xubuntu. I tried to load student.portal.chalmers.se (a huge bloated site) in Firefox. On XP, I can load the site without any swapping,...
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