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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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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17 views

Upgrade to 14.04 Memory Allocation Problem

Recently did a fresh install on my laptop to 13.10 to prepare for the LTS release. I started the upgrade process when the updater prompted and read a book waiting for it. When I checked on the ...
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158 views

Why is Ubuntu 14.04 using too much RAM..?

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. ...
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21 views

RAM size problem with Ubuntu 11.04 [on hold]

On my computer I have 8 GB of RAM. I installed Ubuntu 11.04 on it(the only operating system I use on this computer). When I run free -m, I guess it displays only 3.6 GB. Why this happened and how ...
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1answer
58 views

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 ...
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0answers
12 views

Oneconf eating up memory while in chrome

I know this may be a duplicate, but I am unsure what I can do to improve oneconf performance. When I look at the dependencies in Synaptic, it shows ubuntu desktop, and software center as being ...
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2answers
34 views

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 ...
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2answers
301 views

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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1answer
14 views

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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1answer
28 views

What is the memory limit on ubuntu? [duplicate]

I'm a inexperienced user on Linux and was wondering if it had any limit. Windows has limit 32bit-4GB, 64bit-128GB or so. Any help appreciated. Does the 32bit version of ubuntu have a limit?
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1answer
83 views

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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25 views

System running very lagish and slow-responding

The system is very slow to respond, and wherever I click, the window appears slowly (almost as if its transparency is reduced). The specification is: -OS: Ubuntu 13.1 32-bit -Memory: 1GB -Processor: ...
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8 views

Dev box: no swap space to speed up OOM killer

The TLDR: I do bad moves that flood the RAM, I'm curious whether having no swap would spare me the half hour wait for the OOM killer. Before deploying a few machines with a hacky config, I'd like the ...
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53 views

only showing 3.1gb ram and not 8gb

First time posting. I had a win7 machine with 8gb ddr2 ram and wanted to build a ubuntu machine. I installed 64bit from the downloaded cd and all went ok. On my bios pages it shows 8gb yet under ...
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2answers
67 views

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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1answer
81 views

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 ...
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2answers
51 views

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 ...
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24 views

Ubuntu and system RAM [duplicate]

I just installed Ubuntu 12.04 on an older box, a Dell Optiplex with a P4 3.04 processor and 4 gb of RAM. Ubuntu seems only to be recognizing 2.267 gb. What's up with that?
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1answer
30 views

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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1answer
55 views

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 ...
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1answer
19 views

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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1answer
37 views

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 ...
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156 views

Why runs evolution-calendar-factory?

Why runs evolution-calendar-factory? Here are some processes (created with ps aux --forest) lightdm \_ /usr/bin/X -core :0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch \_ lightdm ...
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2answers
21 views

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 ...
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2answers
66 views

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?
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35 views

Performance goes to Zero when RAM cache is full

This isn't a straightforward question as I've read that cached RAM will be released when needed. I have the hunch that this is not happening on my system (or something else is skrewed). I have a AMD ...
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0answers
92 views

Ubuntu high memory usage

I am using Ubuntu 12.10 . When booting the RAM that is used is about 1-5 GiB. However,after a while when I use chrome and Skype the RAM used is about 4 GiB.(My pc has only 4 GiB RAM). I am not sure ...
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0answers
13 views

Ubuntu NAS, cache files to ram for enhanced transfers?

I have a little dual core celeron computer that I will be using as a NAS. I have 8 GB of ram, and I was wondering if there was anyway to leverage that ram to increase file transfer speeds, especially ...
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0answers
43 views

Setting Max Connections in MySQL server Globally [duplicate]

I installed my UBUNTU 12.04.4 LTS X64 yesterday and didn't installed anything except mysql-server and mysql-client. But htop showing 20 mysqld identical processes. *--Process----- MEM%---VIRT --- ...
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1answer
44 views

Ubuntu Only shows 2.7 gb of ram, I have 4 Gb!

Okay friends I am brand-spankin-new to Ubuntu, I duel 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 ...
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0answers
20 views

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 ...
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2answers
151 views

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 ...
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91 views

Ubuntu 12.04 Sever is running slow and not using full ram

I have a ubuntu VM of 12.04 server virsion and it is running on centos. VM have 8GB of RAM and 1 core processor for it. I amd running following application on it hadoop 1.0.4 hbase-0.94.12 ...
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1answer
31 views

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 ...
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0answers
17 views

Virtual memory or swap memory on ubuntu installed by wubi installer

I am using Ubuntu 32 bit which I have installed inside windows 7 with wubi installer. I have noted that my Ubuntu swap memory is only 256MB and my ram is 2GB. I have tried my best to gain swap memory ...
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1answer
48 views

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 ...
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3answers
136 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 ...
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0answers
24 views

System Load Indicator show different ram usage

I have installed System Load Indicator on my pc. First, it shows different RAM usage than internal ubuntu System monitor. I mean while Syetem monitor is showing 750MB of RAM usage, System Load ...
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0answers
28 views

mdadm large memory consumption

I'm building mdadm RAID 6 (8 WD Red 3 Tb) on Ubuntu 13.10 x64 server with ext4 file system. When I download torrent on the array, server RAM is filled for maximum cap (8 GB). Memory becomes free when ...
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1answer
58 views

Help with ram usage

I have a dual boot laptop with 512 MB RAM running Windows XP/Xubuntu. I try to load student.portal.chalmers.se (a huge bloat site) in Firefox. On XP, I can load the site without any swapping, but ...
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2answers
30 views

Server crashed a few times due to lack of memory - how can I find out how much is available to each process? [duplicate]

We had a huge spike in traffic with lots of these errors: Feb 17 10:44:13 111488 kernel: [8275767.506198] Out of memory: Kill process 20577 (apache2) score 52 or sacrifice child Feb 17 11:02:06 ...
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1answer
59 views

Lubuntu doesn't detect all the RAM (just 1GB of 1,5GB

I installed Lubuntu in a Thinkpad X40 laptop. The OS runs pretty well but it's not detecting (and using) all the RAM installed. The X40 has 512MB of internal RAM memory and an additional module of ...
2
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0answers
58 views

Can only access 1.9 gb of RAM on Ubuntu 12.04

So I installed Ubuntu 12.04 (edit: 64-bit) on my PC. My PC had 4 GB of RAM installed, which the BIOS recognizes. It also displays when I type uname -m, so the OS knows it's there. However, according ...
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1answer
34 views

How to eject RAMDisk? [closed]

The following commands are how I create a RAMDisk on Ubuntu 12.04 LTS: sudo mkdir -p /media/ramdisk sudo mount -t tmpfs -o size=1024M tmpfs /media/ramdisk But now I have no idea to eject it. These ...
2
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1answer
77 views

Why is almost all of the 3 GB RAM on my HP G62 laptop always used? [duplicate]

I am using Ubuntu 13.10 on a computer with 3072 MB RAM and 20 GB swap. It is an HP G62 laptop which overheats pretty regularly. When I type free -mt in the terminal the output is: free -mt ...
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0answers
79 views

ubuntu 12.04 Init process provokes memory leak and CPU intensive usage

I have lately been having some memory and CPU issues with init process. After rebooting, the memory used by it keeps increasing at quite high pace, and after half hour it occupies all the memory RAM ...
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1answer
48 views

What do I do when extensive SWAP access makes system dead

Memory is getting low and heavy SWAP access makes my system responding very slowly at first, but if I don't react by freeing a lot of memory, the system becomes like almost completely dead. Now I have ...
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0answers
62 views

4GB out of 8GB total reserved 64bit 12.04 why

Can anyone explain why 50% of my ram is being reserved and for what? I do have two radeon 7990 cards but surely the ram is not reserved for them? root@stan-desktop:/home/stan# cat /etc/issue Ubuntu ...
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1answer
39 views

Unable to check the RAM usage per user

I was recently wanting to check the RAM usage per connected user on my server but could not find a way out. Please suggest some way.
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3answers
698 views

Is Ubuntu 32-bit only for systems with “less than 2GB RAM”?

On the downloads page, you have the following two options: 64-bit 32-bit (for machines with less than 2GB RAM) Assuming you have a 32-bit machine with the maximum 4GB of RAM, will Ubuntu will work ...