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.
165
votes
31answers
60k views
How can I improve overall system performance?
What are your tips for improving overall system performance on ubuntu? Inspired by this question I realized that some default settings may be rather conservative on Ubuntu and that it's possible to ...
78
votes
9answers
47k views
How do I optimize the OS for SSDs?
What steps should be taken before/during/after installation of Ubuntu on a Solid State Drive to optimize performance and ensure maximum durability of the drive?
28
votes
14answers
15k views
How do I improve boot speed?
I have seen many videos that make Ubuntu faster, but only makes the desktop faster.
I am looking to make my computer boot faster. Is their anything i can do to make Ubuntu boot significantly faster?
23
votes
11answers
4k views
Why are Flash applications so sluggish?
I've noticed that Flash applications tend to be more sluggish under Ubuntu than they do under Windows on the same machine. This is particularly noticeable when watching HD video or playing ...
19
votes
3answers
15k views
What performance differences are there when installing with Wubi?
I know that Wubi is slower in disk IO, but I can't find anything about it online other than vague statements such as "slightly slower disk seeks". Has anyone done any benchmarks to quantify the speed ...
17
votes
3answers
5k views
How to remove the graphical user interface?
Okay my question is that, I want to run a heavy application, on a Virtual Machine (VirtualBox) with just 2 GB RAM (Windows 7 32Bit Host has 4 GB, 3.5 GB effective). Initially I thought of installing ...
58
votes
6answers
9k views
How do we get this magic performance-boosting 200 line patch?
I read today on Phoronix that there is a 200 line patch to the Linux Kernel which dramatically improves desktop responsiveness.
How can Ubuntu users get this in a way that's supported?
33
votes
10answers
13k views
How can I strip down Ubuntu?
I'm trying to fix what I consider a bloated install of Ubuntu. When I install Ubuntu on a machine, I get things that I don't want - web browsers, office applications, media players, accessibility ...
6
votes
11answers
2k views
Desktop runs very slick, animations are all fast and flawless. Moving windows around, however, is very laggy. Why?
This isn't a question about Ubuntu being laggy in general - not at all, in fact, it's very slick and fast for me. Clicking the "Workspace Switcher" in the dock performs the animation immediately and ...
7
votes
10answers
2k views
Long wait time on login
When I log in on my server I get this:
No mail.
Last login: Fri Nov 5 14:22:45 2010...
then I must wait for 5 sec and then is ready...
wolfy@ubuntu-server:~$
Is this wait time normal or should ...
4
votes
2answers
9k views
Details window showing “unknown” driver for Graphics [duplicate]
Possible Duplicate:
How can I get my graphics card to be recognized in System Info?
I have Intel Graphics Card, which have model number GM965. It is on a Notebook, (Lenovo 3000 Y410).
My ...
3
votes
1answer
6k views
Bad 3D Performance in Ubuntu 12.04
I already posted a question before but I didn't really get any advice/help. I'll be a bit more brief/general in hope it'll help.
I have an MSI HD 7850 with the Catalyst 12.4 drivers installed. I've ...
17
votes
3answers
4k views
What is the performance overhead of encrypted /home?
I have a netbook with Windows on the second partition and Xubuntu (/ and /home) on the third partition. I selected to encrypt my home folder during installation. The performance of the netbook is ...
8
votes
5answers
11k views
Best way to set up DNS caching?
In order to speed up DNS lookups, I want to install a DNS cache or proxy.
I can see at least three programs I think will do the job: bind9, pdnsd, or dnsmasq.
I would like to make sure that if I ...
0
votes
1answer
1k views
Live CD / Live USB much faster than full install [closed]
I've observed it on both laptops I own!
HP Compaq nx6125 and Ubuntu 11.04 x64 - somewhat solved
Lenovo Thinkpad T500 and Ubuntu 11.10 x64 - help needed!
I'm still struggling with the Thinkpad to get ...
13
votes
3answers
1k views
What in /home would benefit from being on an SSD?
In Is a 40GB SSD practical to use for ' / ' Jorge describes how he symlinks directories in his /home that would benefit from being on an SSD. The directories he names are
~/.cache
~/.config
...
5
votes
1answer
2k views
How will 12.10 disk encryption affect performance?
As the title suggests. Massive performance degradation?
And what technology does it use?
4
votes
2answers
621 views
Shutdown taking a lot of time
Whenever I shutdown in my Ubuntu 11.10 box, the icons are changing to the default GNOME icons and it is taking a lot of time to shutdown. What can I do to fix this?
40
votes
2answers
20k views
Is it worth to tune Ext4 with noatime?
With previous versions of Ubuntu (using Ext3 filesystem) I used to tune it for better performance with noticeable results by setting the noatime parameter in /etc/fstab.
Is it still worth it to do ...
18
votes
2answers
29k views
How to check hard disk performance
How to check the performance of a hard drive (Either via terminal or GUI). The write speed. The read speed. Cache size and speed. Random speed.
3
votes
3answers
6k views
Why does kworker cpu usage get so high?
I recently installed Ubuntu 12.04 on my Samsung laptop alongside Windows 7. Whenever I use Ubuntu (even when its idle) kworker uses almost 90% of one of 8-cores. Even though it doesn't really affect ...
10
votes
4answers
1k views
Can I limit the CPU usage of a single application?
Is there a way to stop ClamScan eating my server CPU?
9
votes
5answers
14k views
Unity runs slow, how can I improve its performance?
I like how Unity looks but I have 2 problems:
Unity 3D
When I login with Unity 3D, my pc becomes slower, I got an AMD II X3 with 2GB of RAM, Nvidia Gforce 6150SE nForce 430/PCI/SSE2 integrated.
When ...
4
votes
1answer
9k views
Poor Performance with Intel HD 3000 GPU
I am running the 8,1 Macbook Pro. It has the integrated Intel HD 300 gpu. I've noticed the graphics performance is drastically worse in Ubuntu than in OS X. I tested this using the bullet physics ...
2
votes
1answer
976 views
Copying to/from NTFS partitions very slow
My whole system slows down when I copy files between an NTFS drive to my local home directory.
This is a new 12.04 installation with the latests 12.8 AMD ATI driver.
Using Gnome-Shell or Unity does ...
1
vote
5answers
7k views
Ubuntu 11.10 network speed [closed]
Just upgraded to 11.10 from 11.04 . My internet speed is VERY slow now. I did a speed test with two similar laptops. The one running windows has a download speed of 14Mb/s while the one running Ubuntu ...
0
votes
5answers
6k views
Why is Ubuntu slower than Windows Xp? [duplicate]
Possible Duplicate:
How can I improve overall system performance?
My system config is-chipset - Intel Brookdale-G i845GEVmotherboard - 01/25/2005-i845G-W627-6A69VM4YC-00video adapter - ...
7
votes
6answers
13k views
My system is very slow running Ubuntu [duplicate]
Possible Duplicate:
How can I improve overall system performance?
I recently installed Ubuntu. I was using Windows XP for years, then I decided to try Linux.
This is my computer: 2.40 Ghz, ...
5
votes
1answer
9k views
VNC session very slow in 12.04 compared to older versions
I have a 12.04 X64 Desktop install on a machine where I previously had 10.10. Previously I've used both the built-in vino and tightvncserver to provide the VNC session. I connect to them using Chicken ...
4
votes
2answers
448 views
Is there any way that an external hard drive can be used to boost performance?
I have a number of spare external hard disk drives lying about the place and I was wondering if there is any practical way of using an external hard drive to boost performance in Ubuntu.
The idea ...
4
votes
2answers
3k views
Slow/laggy desktop effects with Nvidia card
I've installed Oneiric from scratch (didn't upgrade), and I'm having troubles with desktop effects: Unity is very slow - whenever I click on the workspaces icon, I either get no animation, or the ...
4
votes
0answers
2k views
How do I improve boot time? [duplicate]
Possible Duplicate:
How do I improve boot speed?
I Have read many question on this but It is all about disabling startup daemons/programs. Since then I have installed a lot of programs and ...
3
votes
4answers
3k views
Install Desktop Environments or use different distributions
For you that have tested this, should we use Ubuntu and install different Desktop Environments (KDE/XFCE...) or we should install different distributions (Kubuntu/Xubuntu...). Are there any notable ...
2
votes
1answer
788 views
Display cuts off launcher, everything's blurry, Hulu choppy, system slower than Vista [closed]
Just installed 12.10 64bit. Display cuts off launcher, every thing's blurry, Hulu choppy, overall the system is slower than Vista.
I'm guessing it's a GPU problem? I have a GeForce 9300M, but the ...
2
votes
2answers
2k views
What is process “/usr/bin/X :0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch -background none”?
I am experiencing some serious performance issues with my Ubuntu 12.04 setup and thus looking for the culprit by running htop alongside my usual tasks.
Aside from the usual suspects like chromium, ...
1
vote
4answers
14k views
Ubuntu 12.04 running slow: How to improve performance? [duplicate]
Possible Duplicate:
How can I improve overall system performance?
I used to work in a computer (Dell Inspiron) with 2GB RAM, 80GB dd and Intel Core Processor with Ubuntu 10 under Gnome, and ...
18
votes
1answer
6k views
Google Chrome 20: How to workaround poor performance with Flash? [closed]
After the update to "Google Chrome 20.0.1132.47" google-chrome started to lag. It gets stuck for couple of seconds and then it resumes. The issue seems to start after I enter any flash site
Running ...
13
votes
2answers
2k views
How to diagnose Ubuntu CPU spikes / IO wait?
I'm using Ubuntu and every couple minutes it goes unresponsive for a half second to a full second, which isn't normally a problem but makes trying to code extremely frustrating when your trying to hit ...
6
votes
2answers
3k 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
...
16
votes
5answers
20k views
How to perform a detailed and quick 3D performance test
I am wondering how to quickly test performance of my 3D graphics. Since glxgears is not benchmark what should I use. Also glxgears sometimes stuck at 60FPS, you cannot even compare before/after driver ...
5
votes
2answers
3k 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 ...
9
votes
4answers
2k views
Is there a tool to measure speed of your pc/laptop?
In Windows 7 there is a tool that calculates some kind of index of your machine: the performance index. I am not sure how it is done, but it is nice to know, to be able to compare machines.
Does ...
8
votes
1answer
1k views
Why does Chrome video performance substantially degrade after waking from suspend in 10.10?
Note: For some more details, some of which may not be true given what I've figured out, see this post.
When I first boot my computer, video performance (both native H.264 HTML5 in YouTube and Vimeo, ...
7
votes
6answers
2k views
Firefox Slow Performance
I have to say, firefox on ubuntu's performance is attrocious. Very quickly it gets into 100% cpu use (thank god I have multiple cores) and hundreds of megs of ram. Even closing tabs does not help the ...
3
votes
2answers
261 views
Ubuntu 12.04 is sluggish
I have a Lenovo G580 (4GB DDR3, ~500 GB HDD, Intel i3). I installed Ubuntu using the in-Windows installer on my Windows 7. Ubuntu was (and still is) slightly sluggish.
By sluggish I mean, the OS GUI ...
3
votes
1answer
7k views
What is IOMMU and will it improve my VM performance?
My Motherboard's chipset supports this feature IOMMU, i've read (but not really understand) that it improves the VM performance by letting the VM make use of the actual physical hardware instead of ...
2
votes
2answers
2k views
The performance governor for cpufreq doesn't seem to behave as advertised
The kernel in use: 3.2.0-23-generic on Ubuntu 12.04LTS
For example, I issue the following command:
sudo cpufreq-set -c 0 -g performance
Then I go to /sys/devices/system/cpu/cpu0/cpufreq and type ...
8
votes
5answers
6k views
How much faster is Lubuntu?
Will I notice performance increases if I switch to Lubuntu? In what areas will I see the most significant changes? And in what areas am I unlikely to notice any?
Would switching to Lubuntu be ...
7
votes
2answers
2k views
How to restore/change Alt+Tab behaviour/ram usage and a few other things after Ubuntu upgrade from 11.04 to 11.10? [closed]
I use Ubuntu for programming. I recently updated it from 11.04 to 11.10. There are some things I don't like in the new version of Unity desktop interface. I don't actually know if it is hard to ...
6
votes
3answers
3k views
Ubuntu feels slow after 11.10 update
I recently updated Ubuntu to the latest 11.10 version. For some reason since the update Ubuntu reacts slowly. For example, when I drag a window there is a delay in the movement, when I write text it ...
