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.

learn more… | top users | synonyms (1)

0
votes
1answer
35 views

I've more than 60% of free RAM but i can't run a simple php file

I'm trying to run a simple .php file in my local environement : (Ubuntu 15.10 - Intel® Core™ i7-4600U CPU @ 2.10GHz × 4 - 64-bit - 8GB RAM) So you are seeing that I've more than 60% of free RAM ...
0
votes
2answers
68 views

not all RAM recognised ~3.3 of 8GB [closed]

I recently installed some new RAM so that I have 8GB (4x2GB sticks). The Bios displays all four sticks, however Ubuntu only shows about 3.3GB available. Both the system details and info from terminal ...
0
votes
1answer
47 views

Do I have 2 more free slots for RAM?

I ran sudo dmidecode --type memory and the result was: # dmidecode 3.0 Getting SMBIOS data from sysfs. SMBIOS 2.7 present. Handle 0x000C, DMI type 16, 23 bytes Physical Memory Array Location: ...
0
votes
0answers
22 views

Ubuntu server and mysql with bitnami

I'm hoping someone can help me or point me in the right direction. I have an Ubuntu 14.4 server running as a web server which we run a WordPress installation on, We've used the Bitnami installer to ...
0
votes
1answer
641 views

High SHMem memory usage!

I have tried everything I could think of so here I am asking this question here... I have a computer that has 8 GB of RAM. After booting the computer, logging in, not opening any applications and ...
0
votes
1answer
35 views

14.04 LTS not recognizing all my RAM [closed]

I recently installed 32 Bit 14.04 on my old XP computer. It seems to have installed without issues, however all of the RAM is not being recognized. In the system info it says 2.4 GiB, I believe I ...
0
votes
0answers
41 views

Ubuntu running extremely slow on P4 1GB RAM. New Install. Used to run well previously

i am currently running Ubuntu 14.04 64 bit on a Pentium 4 with 1 GB DDR2 RAM. It used to run butter smooth on 2 GB RAM. Unfortunately I had to remove 1 RAM card to use in another old PC. And now, in ...
0
votes
0answers
8 views

Xubuntu dunst high RSS

I noticed my computer was being slower than normal so I checked the task manager and sorted by RSS usage, and "dunst" is using the most with 1285 MiB. That's a lot for my system, as I only have 3823 ...
0
votes
1answer
36 views

How do I tell what type of RAM I have in Ubuntu? [duplicate]

I have a dual-boot system with both Windows 7 and Ubuntu. Windows normally provides me detailed system information like what type of RAM is used. However, I am currently troubleshooting the PC and I ...
1
vote
1answer
129 views

Mediascanner-extractor consuming all RAM in Ubuntu 16.04

I recently upgraded Ubuntu 14.04 to Ubuntu 16.04. Now whenever I plug in my external hard disk, mediascanner-extractor starts consuming all my RAM and Swap space till my computer hangs and I have to ...
0
votes
0answers
19 views

Swap on video ram

I'd like to create Swap on video ram. I don't use my additional graphic card. Is a way to do this in Ubuntu ? https://wiki.archlinux.org/index.php/swap_on_video_ram
0
votes
2answers
61 views

Understanding htop

I am trying to make sense out of htop. I have a virtual PC with 6 GB RAM running ubuntu 15.10. I have installed a few applications on the server: Jenkins, Artifactory and some other tools. When I run ...
0
votes
0answers
9 views

Ubuntu 15.10 trying to upgrade AMD Desktop memory and getting hangs

I have been trying to upgrade my AMD desktop memory from 2G to 8G. The box runs dual boot with Windows XP, which boots fine although it only recognizes about 3G of memory. When I try to boot to Ubuntu ...
0
votes
1answer
29 views

Allocating disk space as memory temporarily

I need to run some application to convert large files (7GB). The converter application isn't nicely written. So it doesn't stream the coverted data. Therefore, it requires high amount of memory. I ...
0
votes
1answer
51 views

64-bit Ubuntu seems to think it is 32-bit

Yesterday, I posted this thread, and got a reply, telling me to install 64-bit Ubuntu. I thought I already had a 64-bit copy, so I went to my system Details, and found that I did, indeed have an x64 ...
0
votes
1answer
39 views

Build fails after not enough RAM even after swap

I have a 4GB RAM and I have to work in android environment. Some components in the source needs high RAM as a result, I made a swap file of 8GB and I have a 4GB RAM. My RAM is 11mb or less while ...
0
votes
0answers
21 views

A software doesn't have access to enough memory?

I use the software GrandOrgue, and I've had pretty good results with my two MIDI keyboards and some basic samplesets, but when I try to load a larger one, such as the Barton 3/7, it gives me a "Not ...
0
votes
0answers
32 views

How to lift memory limitation?

My current machine: ASUS K50IJ: 64bit dualcore 1.8GHz CPU, 2GB RAM, intel GMA 4500 I played Half-Life 2 on this machine, on Windows, which has the same engine as Team Fortress 2. Now I only have ...
0
votes
0answers
42 views

Swap Partition Causing Lock ups/Freezes

I recently added a swap partition and it functions properly. However, I have noticed that whenever I run programs that use a lot of memory (use most of my ram and 1 gb of my swap), my GUI locks up, my ...
0
votes
0answers
56 views

Does Ubuntu limit svn process memory if ulimit returns unlimited?

I am trying to commit a file using svn it crashes with an Out of memory error. I am running Ubuntu 14.04.1 and have 6G memory, 6G swap partition and 12G swap file. I am able to use svn to commit ...
0
votes
0answers
75 views

Help interpretting memtester output?

Ok, I decided to try memtester on my computer because it was crashing frequently. I have the results, but am not sure how to interpret them. Any help would be fantastic! memtester version 4.3.0 (64-...
0
votes
0answers
20 views

Ram compatibility issues

I would like to learn more on RAM compatibility. I know that parallel socketing of RAM makes somehow multitasking easier (the CPU can handle parallel data from the RAM to the Lcache), but I would like ...
2
votes
1answer
39 views

A Simple way to force an “Out of Memory” condition?

I'm working on getting alerts set up. Can anyone suggest a simple way to force an out of memory condition say on a vanilla ubuntu?
0
votes
1answer
43 views

immediate shutdown at boot time with 8GB memory

PC: VersaPro(VK24LX-B) OS: ubuntu 15.10 Today I went a PC shop to upgrade memory from 4GB to 8GB, but the staff told me he couldn't do that.He demonstrated what happened: Changing memory cards, ...
0
votes
0answers
55 views

Ubuntu not booting after upgrading RAM and cpu

I have a Ubuntu machine running on Hyper-V It is the 15.10 version 64 bit. I tried to shut it down and then upgrade it from 8 GB og ram to 16 GB and from 2 processor cores to 8. But when I turned it ...
1
vote
1answer
58 views

MySQL out of memory

I recently upgraded my VPS from 1 GB RAM to 2 GB because MYSQL kept crashing due to low memory. The server has been running fine for 3 weeks until now. The following is logged to /var/log/syslog ...
0
votes
2answers
82 views

Very slow ubuntu Desktop

I have use 2GB With Dual Core Processor Computer, and install ubuntu 12.04, Even though the computer is running very slow, All time Show CPU Uses 100 %, and Memory Uses 100%. So What should i do to ...
2
votes
1answer
59 views

New 16gb of Ram installed yet I see 15.3 on my system. Why?

I uploaded a visual. Just switched 4gbs to 16gbs of RAM. However, when I look at how much memory I have it says 15.3. I'm just wondering why did my memory drop down when I just installed 16 GBs of ram....
0
votes
2answers
93 views

Normal RAM usage of the Ubuntu 14.04 LTS (Server Version)? [closed]

my question is how much RAM a Ubuntu 14.04 LTS server normaly uses? when nothing is installed on it?
2
votes
1answer
55 views

My memory is full but processes list is empty

PROBLEM My memory is full but the processes list is empty of heavy programs! Usage: Total memory is 4GB but only 400MB is free: Monitor with htop: When sorting by %MEM -> heavy programs ...
-1
votes
2answers
71 views

Ubuntu 15.10 64-bit is not working very well in my PC

> System: Kernel: 4.2.0-32-generic x86_64 (64 bit) Desktop: Unity 7.3.3 Distro: Ubuntu 15.10 wily CPU: Single core Intel Pentium 4 (-HT-) cache: 1024 KB clock ...
0
votes
2answers
122 views

Ubuntu 32bit or 64bit on a laptop with 4gb ram? [closed]

My laptop has 4Gb of ram and the processor can suport 64bit. What should I install, 32bit or 64bit? And why? As far as I know the 32bit version will use less ram but at max 4gb of ram.
0
votes
0answers
201 views

How can I free my GPU memory in Ubuntu 14.04?

How can I free my gpu memory as much as possible? Currently there seems 400+ MB of GPU ram to be always occupied! How can I free these ? Wed Feb 24 21:48:33 2016 +---------------------------...
0
votes
1answer
30 views

Graphic elments fall apart after install new RAM

I have installed a new RAM module and after that graphics elements in Unity are falling apart. (See attachment.) In some applications this problem appear, but non in others (ad.: in Chrome). I ran ...
0
votes
0answers
17 views

Lock application data to swap

Is it possible to lock the app data in swap? App data: it means the data loaded by operating system to the ram to run it. I am using Ubuntu 15.10 and my laptop has only 2GB ram. I am thinking that ...
-1
votes
2answers
103 views

Which system folders can I mount to RAM drive safely?

I recently made a full installation of Ubuntu 15.10 to a USB drive. In order to make it faster, using RAM, I made /tmp folder to mount on RAM on boot, by adding this line to fstab: tmpfs /tmp tmpfs ...
0
votes
0answers
17 views

How to find the first device address of request using blktrace?

I have traces of running an "f2fs" on an usb-drive. I would like to use them as inputs to DiskSim. DiskSim requires the first block number that has been traced. Is there a way I can find that by ...
3
votes
0answers
104 views

Ubuntu 14.04 64 bits - Only half of the RAM is recognized

I have 8 GBs of RAM (2 4 GBs memory sticks) in my computer. They are recognized by Windows 10, the "memtests" and the BIOS, but Ubuntu doesn't show more than 3696 MBs. I already tried several ...
1
vote
2answers
160 views

High CPU load, low core usage, (ECC) memory error in kernel

I am having a super weird behavior ... The CPU load of my computer goes through the roof (>4 on a 8core machine) but there is no process that is taking much CPU (see attached image) Though the 8 core ...
1
vote
0answers
56 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 ...
0
votes
0answers
49 views

Drop cache pages and memory (cleaning the cache) as normal user

Some times I need to clean the system cache by doing the steps below: sync su echo 3 > /proc/sys/vm/drop_caches as you can see, I need root privileges for this purpose. Is there any way to do ...
11
votes
1answer
583 views

Ubuntu settings after adding additional RAM

My system has 3.8 GB of ram. My system allows 8 GB of ram. If I insert another memory chip of 4 GB, do I have to make any other changes in OS setting etc?
0
votes
0answers
11 views

What is the max supported RAM by my system hardware? [duplicate]

I ran dmidecode command and it gave me following output: # dmidecode 2.12 SMBIOS 2.4 present. Handle 0x1000, DMI type 16, 15 bytes Physical Memory Array Location: System Board Or Motherboard ...
0
votes
2answers
282 views

Out of Memory Issue

I am running Ubuntu 14.04LTS on a Dell PowerEdge R730 with 32 GB of RAM and an Nvidia K80 GPU.. I have a python script that runs for a long time, but really just makes a bunch of relatively short-...
1
vote
1answer
272 views

Ubuntu 15.10 - high ram usage

I am writing because I have no idea what going on with my favourite os, Ubuntu 15.10 with the kde desktop. The problem affect ram usage in normal work (chromium/firefox browser with few cards and ...
1
vote
1answer
41 views

Abnormal usage for memory

These days, my linux VPS is very slow, for that I've installed htop package using apt-get to see what is happening to my server. When I opened htop, I see that my server is using approximatively 700 ...
1
vote
0answers
44 views

Ubuntu 14.04 installation stops when copying files

I have the following system config i5 processor, 4gb (2+2) ram, 1gb graphics card, 500gb hard disk. I tried adding another 4gb ram to my system. So I added the newly bought 4gb ram into my pc and ...
0
votes
3answers
238 views

reinstall of OS after decreasing memory

Do I need to reinstall OS after decreasing memory (RAM)? Originally I had 8GB while now only 4GB. OS: Ubuntu 14.04.3 LTS Linux p6-2315el 3.13.0-76-generic #120-Ubuntu SMP Mon Jan 18 15:59:10 UTC 2016 ...
1
vote
0answers
251 views

Failed to alloc mem for ROM

So recently, I've bought the HP Pavilion x2 detachable. It came with Windows 10 but I wanted to install Ubuntu on it. I tried to install Ubuntu 15.10 but every time I tried to do that, the computer ...
1
vote
0answers
129 views

MySQL gradually taking up more and more memory

Just to start with, I have read the following threads and they do not help: Optimising MySQL settings - mysqld running out of memory MySQL Server keep shutting down http://stackoverflow.com/questions/...