Questions about improving the performance/speed of Ubuntu. Note that this is a general tag, and should be accompanied by another tag indicating what kind of performance you are referring to.

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1
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1answer
34 views

How to find if my hardware supported by Ubuntu? [duplicate]

It is better to let make sure if System can/will be worked effectively & efficiently. So, Before installing Ubuntu, I have question as follows: I want to know how can I find if my hardware like ...
0
votes
0answers
28 views

14.04 running slower after upgrade from 12.04 [on hold]

My main issues seem to be simple web and file browsing including frequent unresponsive programs (any program really). Everything was running fine on 12.04 before upgrading. I have tried switching ...
-1
votes
0answers
11 views

Samsung ATIV 8 has terrible battery Lifetime with Ubuntu 14.04 - it's only 30% of Windows 7 Lifetime

Now, I have read quite a couple of posts about this subject but I am wondering if anyone actually found something that gets the power drainage close to Windows 7. I use an Samsung ATIV 8 (Samsung ...
0
votes
0answers
15 views

Ubuntu behaving very slowly: 2 hr boot time (ata1 hard resetting link / device reported invalid CHS sector 0)

I have a fresh install of ubuntu 14.04 as a dual boot with windows 8.1 on my HP Pavillion laptop. The windows 8 partition works fine (i.e. boots quickly, performs well etc). The Ubuntu partition is a ...
2
votes
3answers
485 views

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 ...
1
vote
0answers
31 views

How to perform a CPU/disk intensive operation without drastically affecting other processes?

I am running a Minecraft server on Ubuntu 12.04. The operation I'm trying to perform is a git clone, as part of a new backup system I'm implementing. I would like to be able to do things like this ...
1
vote
1answer
67 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 ...
0
votes
0answers
14 views

Configure samba to fully use a gigabit connection

Is there a way to configure Samba in a way so that it can actually fully use a gigabit LAN connection when only performing a single big (>10GB) file transfer? On several Ubuntu servers in several ...
5
votes
2answers
868 views

Ubuntu 12.10 64 bit Slow

I am new to linux and was wondering why launching applications is so slow. I've tried both Ubuntu 12.10 64 bit and Ubuntu 12.04 LTS 64 bit Computer Specs: Toshiba Satellite p755 CPU: Intel core ...
2
votes
3answers
5k views

Gnome shell slow on a fast computer

The computer is an EliteBook 8540w: ATI FirePro 5800 (using proprietary drivers) i7 720qm 8Gb RAM OCZ Agility III SSD Ubuntu is freshly installed (a week ago). I have set swapiness to 10. When I'm ...
0
votes
1answer
21 views

system.profile.find() command returns no results

I'm trying to run queries against MongoDB (in Ubuntu) and analyse the execution times. I think i've set the profiler up correctly, but when I run a query against it, i'm not getting any response ...
1
vote
3answers
39 views

Like “PerfMon” in Windows do we have something similar in Ubuntu?

If I want to capture performance log of a Ubuntu (or any other Linux Distro) Server/Workstation for a period of time, how would I do that? In Windows, I use something called PERFMON.MSC (LOGMAN.EXE), ...
2
votes
0answers
13 views

KVM guest performance impacted by very long virtblk disk wait times

I have several KVM guests running on Ubuntu 14.04 using libvirt. Their performance is very poor. The intermittent nature of the poor performance with an order of magnitude variability in simple ...
0
votes
3answers
779 views

Will unity stop being a plugin for Compiz?

I ask this as with the Unity Desktop running , when I try any games with my Ubuntu 12.04.1 I get so much frame rate drop with Unity and Compiz. If I switch to Gnome-Classic which uses mutter, I get a ...
0
votes
1answer
26 views

Does switching drivers via Additional Drivers impact performance?

I've just reinstalled Ubuntu and noticed a significant increase in graphical performance - mainly just the smoothness of the desktop. The older installation was also mainly new. The only major ...
0
votes
0answers
76 views

init: failsafe main process (x) killed by TERM signal [on hold]

I'm on Ubuntu 14.04, fresh install. Suddenly my system boot takes over one minute (from SSD), before it was few seconds. On terminal I can see: systemd-udevd[381]: Error calling EVIOCSKEYCODE: ...
-1
votes
1answer
186 views

Responding very slow while loading icons

I have just installed Xubuntu 12.04 x32 from a USB on to my hard drive. It installed fine, however now when I boot up and log in to my user, it seems to be rather slow -- notifications at the top ...
0
votes
1answer
24 views

Why is radeontop showing 0,00% in all fields?

I'm trying to get realtime statistics about my graphics card utilization, and the program radeontop is supposed to enable that. However, as you can see in the screenshot below, it reports all the ...
-1
votes
0answers
8 views

Issues with performance and screen fonts

I've had Ubuntu on my system for a little over two years now. I'm running 12.04 currently and recently I've faced a number of issues with the system. It hangs way too often and mostly when I'm on ...
6
votes
5answers
2k views

Why is Ubuntu 14.04 so slow on my laptop? [closed]

I just installed Ubuntu 14.04 on a Dell laptop with 1.7Ghz Pentium M and 1Gbyte memory. Graphics are Intel® 852GM/855GM x86/MMX/SSE2, OS type is 32bit. The whole system is VERY slow. When I launch the ...
12
votes
4answers
1k views

Ubuntu on low performance laptop [duplicate]

My sister has always wanted a macbook, but I recently convinced her that Ubuntu is a great OS with much more similarity to Mac OS than Windows. She said I can install Ubuntu on her laptop but it is ...
0
votes
0answers
179 views

High CPU load - Ubuntu 14.04

I noticed that sometimes when browsing (with other processes in the background), I get very high CPU load for the browser process (over 100%) and the computer becomes really slow. I tried switching ...
1
vote
2answers
3k views

Unity environment way too slow in Ubuntu 13.10

Unity and its apps open too slowly whenever I open one. It takes a while for them to appear completely. Everything works properly when the window is already open. The biggest problem is with the dash: ...
0
votes
1answer
123 views

Acer Aspire One 725

I recently got an Acer Aspire One 725 and I want to install Ubuntu on it. I tried Ubuntu 13.10 32-bit and 64-bit, but I got a lot of errors, and it is running a little slowly. Has anyone tried to ...
2
votes
1answer
29 views

Mouse slow proportionally to network usage

Under ANY network loading the Logitech mouse gets slow. At download speeds of as low as 50KB/s, clicks are "grabby," a click will pick up an object and any movement will move it around. At rates above ...
1
vote
0answers
40 views

Very high IOWAIT times

I have a large system - 128GB, a couple of RAID0 filesystems (6TB and 2TB) with an SSD cache, 8 cores (16 with hyperthreading), running Ubuntu 12.04 64bit. When I try to write a large file I get very ...
0
votes
0answers
124 views

What broke Firefox? After upgrade to 14.04 Firefox plugin-container eats 179% CPU

After my recent upgrade from 13.10 to 14.04 Firefox plugin-container eats 179% CPU, even after disabling all plugins and restarting the browser. Before the upgrade I did not have this problem, though ...
3
votes
0answers
78 views

Constant HIGH CPU Usage - even after reboot with no applications

Here is a PROBLEM, a lists of my ATTEMPTS to solve it, and a PLEA for help: [As indicated, I have read all similar 'answered' questions, and have not found an answer that works for me.] ...
6
votes
1answer
1k views

Is it possible to use both SLI and two monitors at the same time on Ubuntu with Nvidia?

I'm completely and utterly baffled by my inability to use both SLI and a dual monitor setup, even with Nvidia's latest proprietary drivers. Now I have to choose between the ergonomic and productive ...
2
votes
2answers
3k views

How to set cpufreq governor to performance?

I am on Ubuntu 13.04 64-bit. I have heard that setting the cpufreq governor to performance will, well, increase performance. Unfortunately, I am a bit of a newbie at this sort of thing, and I am not ...
0
votes
1answer
49 views

Ubuntu dead slow after last update

It's been a few days now. Everything is SLOW as hell. Going from a desktop to the next is slow. Unlocking my workstation kind of fades out the lock screen and fades in the desktop. The animation takes ...
6
votes
3answers
5k views

Ubuntu slows down over time?

About a few months ago I was using Ubuntu (doing something in the command line) when it started lagging really bad. I would hit S (or any other key) and like 20 seconds later it would show up in my ...
1
vote
3answers
3k views

Bad 3d performance of intel ironlake

I'm using ubuntu 13.04 and got VERY bad 3d performance with intel ironlake comparing with a windows installation. Is there any way I can improve this? I already tried various paramaters of the i915 ...
1
vote
1answer
38 views

Curious about UnixBench results, is my HD configured properly?

I downloaded UnixBench 5.1.3 and ran it on both my old Dell 4600 and my newer Gateway SX2800. With a 2.4Ghz P4 the Dell gets clobbered on cpu tests by the Gateway with quad core Q8200 at 2.3GHz. The ...
0
votes
0answers
23 views

If I change desktop environment will I loose all settings and software I already have. Ubuntu to XUbuntu

I installed Ubuntu 14 (64bit) and later I found that Xubuntu is more lighter. I would like to have better performance than visually appealing UI. I work on ruby on rails and I have setup everything ...
0
votes
1answer
25 views

Testing multiple desktops simultaniously

Our college is installing new ubuntu installed systems for our lab.They want to test the performance of the systems.I googled some benchmarking tools but we have 250 systems to test,is there a easy ...
3
votes
2answers
186 views

Will performance be worse if I encrypt the entire Hard Drive / SDD?

If I use whole disk encryption, will I notice a drop in performance? And what about for a SSD? And I see that there is a option in my bios that enables Intel AES-NI does this have any effect on my ...
0
votes
0answers
81 views

slow hard disk Ubunto 14.04 ext4 on thinkpad dual boot

Ext4 - is it slower? Have a Thinkpad with 8GB drive , 4 processors. Intel® Core™ i3-3110M CPU @ 2.40GHz × 4 . Ubuntu 14.04 LTS with updates applied. File reading is very slow. IDE STS hangs when a ...
2
votes
1answer
46 views

When should a fresh install should be made [closed]

On my desktop at home, a 2008 Vaio w/4GB RAM and dual core processor running 12.04 LTS, I've been experiencing of late a perceived performance degradation. It's most apparent at startup but it's also ...
0
votes
1answer
35 views

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 ...
34
votes
9answers
40k views

How to empty swap if there is free RAM?

When I open a RAM-intensive app (VirtualBox set at 2GB of RAM), some swap space is generally used, depending on what else I have open at the time. However, when I quit that last application, the 2GB ...
1
vote
0answers
57 views

SD card write speed not as advertised, on 14.04 at least

I bought a new SD card and the claimed performance is a long way from my benchmark. Is there something I can do improve the transfer speed when working with this SD card? Information on the disk: $ ...
3
votes
1answer
2k views

Ubuntu 14.04 just update and very slow

So I just updated from Ubuntu 13.10 to 14.04, and I noticed that my system (specifically animations and videos) are very slow. I disabled the animations, which helped. But its still working very slow, ...
0
votes
1answer
268 views

Any way to get an AMD HD4250 Graphics to work in 13.10 with good performance? Mine gets slower until unusable

I have an ASUS M5A88-V EVO motherboard with an integrated AMD/ATI RS880[Radeon HD4250]. I am running Ubuntu 13.10 64bit and it seems to get slower until it is unusable. Especially the graphics ...
20
votes
5answers
15k views

Why most people recommend to reduce swappiness to 10-20?

I have seen in several site which recommend to reduce swappiness to 10-20 for better performance. http://community.linuxmint.com/tutorial/view/998 ...
3
votes
6answers
2k views

Integrated graphics: does Ubuntu work better with Intel HD Graphics 4000 or with an AMD APU (AMD Radeon 7660D)?

I'm planning to build a computer for myself, on which I'll install Ubuntu 13.04 64-bit. This computer will be used for light gaming and office work. In order to save some money, I'm planning to use ...
10
votes
2answers
3k views

Does Ubuntu Touch consume less power than Android? [closed]

One of the problems of new OSs is power consumption. That is because power and performance requires a lot of tweaks and experience with the kernel, drivers and OS code-base on one hand, and a lot of ...
2
votes
0answers
82 views

ls on home directory very slow

A while ago, I accidentally created hundreds of thousands of files in my home directory which I subsequently deleted. Since then however, running ls in my home directory has been extremely slow ...
0
votes
0answers
75 views

Extremely poor performance after graphics card upgrade

I have an AMD a10-5800k APU that I was using for graphics because it has integrated graphics. Knowing that I can't use AMD Dual Graphics on Linux, I got a dedicated card anyway because I can use Dual ...
0
votes
1answer
34 views

Ubuntu Server performance boost

Is there any way to boost an Ubuntu Server's performance? I feel it a bit laggy when hosting a game server on it, unlike other servers. Do you think installing a desktop environment will decrease the ...