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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5
votes
3answers
824 views

Downloads killing internet on my home network

I am currently having a problem with my wireless. Whenever I try to download anything it kills the internet for every other application(tabs within the same browser, browsers on other computers on the ...
4
votes
6answers
3k views

Should I switch to Xubuntu for better Flash video performance?

I have HP Mini 2133 netbook, with 1200MHz processor and 2GB of RAM. I am currently using the normal Ubuntu. But, Flash videos (on YouTube, etc.) do not play smoothly. I tried all optimizations, but ...
4
votes
1answer
1k views

Ubuntu Gaming Question - Poor Performance

So this is sort of a hardware question relating to the performance of games on my laptop. I am trying to play Counter Strike: Global Offensive (Click here for required hardware), and am facing sever ...
4
votes
2answers
695 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 ...
4
votes
4answers
862 views

MacBook Pro: should I virtualize Ubuntu or use Boot Camp?

I'm looking to run Ubuntu on a 2008 MacBook Pro 2.4Ghz C2D, 2GB GDDR3. Will it be okay performance wise through virtualization such as VMWARE or should I use BootCamp? Thanks.
4
votes
1answer
7k views

Good way to run Java and Eclipse from a ramdisk

It is often suggested to me that to improve the performance of the Eclipse development environment, that I should move the Java JDK/JVM (and possibly Eclipse) to a Ramdisk. I know that the Ubuntu has ...
4
votes
2answers
316 views

How to manually trigger fsync()?

I've used libeatmydata to quickly perform apt-get update. Now I want to run standard fsync to make sure that everything is written to disk. How can I do it? Preferably a small script / binary, and for ...
4
votes
6answers
4k 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 ...
4
votes
5answers
25k views

Can Ubuntu run on Intel's NUC devices?

I was wondering if anyone has experience running Ubuntu (or any other Linux) on Intel's NUC computers? I was not able to find any reports on linux running on this device, only windows 7/8. Update: ...
4
votes
2answers
12k 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 ...
4
votes
1answer
696 views

Why is ecryptfs so slow when running du -s?

I have been using Ubuntu's encrypted home folder system for some time now and have not really noticed any slowdowns except in two specific cases. When I run du -s in my home folder, it takes several ...
4
votes
6answers
1k views

Apple G4 733Mhz and 512Mb Ram… Any suggestions on what to use for good performance?

I'd like to install Ubuntu on this little g4 I've found... I hope to get a better performance than Os X 10.4, is it possible? I thought about using a server minimal install and then put on it gnome, ...
4
votes
1answer
2k views

SSD tweaks for Ubuntu 12.04 cause Texmaker to compile a lot slower

I added these tweaks from Ubuntu SSD Tweak and Ubuntu Tweaks but now Texmaker is compiling slowly. Does someone know what tweak would be causing this? Or could I edit something unrelated to the ...
4
votes
1answer
8k views

How to get isolcpus kernel parameter working with Precise 12.04 amd64?

I've been testing this stuff trying to reserve some CPUs in a host with two Intel E5645 but I can't get it working for some reason. Steps I followed: Edit /etc/default/grub and added isolcpus=0,1 to ...
4
votes
2answers
721 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?
4
votes
1answer
788 views

i3 core performance problems

I just tried to play Quake3 (QuakeLive) on a new laptop with an i3 core integrated gpu, running Ubuntu 10.10. Strangely, the performance was terrible. I'm running on intel driver, which seems to load ...
4
votes
3answers
2k views

Why is Flash performing so badly in 10.10 64-bit compared to 10.04 64-bit?

Edit: After discovering some more about the problem (namely that it seems to be caused by waking from suspend) I created a new question. In Ubuntu 10.04 64-bit, I was running the latest 64-bit Flash ...
4
votes
2answers
186 views

How to find the maximum data transfer rate possible from the RAM of my laptop

How to find the maximum data transfer rate possible from the RAM of my laptop. I am using Ubuntu 14.04.
4
votes
2answers
249 views

How do I diagnose a sudden slowdown

Running a particularly compute-intensive task on my computer (Tecra W50) for more than a few seconds causes it to become very slow. Performance does not return to normal after the task completes. ...
4
votes
2answers
3k views

Enable full performance on Sandy Bridge laptop

I have 2nd gen Intel i7 laptop. I use Thermald and tlp for managing battery life (they are great!). However, sometimes I don't care about noise and power consumption, and want the CPU to run at full 3....
4
votes
2answers
565 views

Constant HIGH CPU Usage - even after reboot with no applications

I have an issue with constant HIGH CPU Usage immediately after fresh boot, no apps running. CPU0 - CONSTANTLY at some combination which adds up to 100% However ... %CPU in list = between 0 & 20% ...
4
votes
2answers
2k 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 ...
4
votes
2answers
1k views

Hard drive light is constantly on. What's using it? [closed]

The HDD light is lit solid all day and the system has slowed significantly. Running i7 with 15.3Gb RAM on 10.04 Read though many threads online and checked the I/O which seems to be negligible and ...
4
votes
2answers
1k views

2 GB Ram, but Ubuntu runs slowly and hangs if doing too much

I think my system more than meets the minimum/recommended requirements for Ubuntu, but its still running slowly. Especially when I try to multitask by having 4-6 windows open, then it becomes quite ...
4
votes
2answers
1k views

How to troubleshoot and tweek unreasonably slow wireless connection?

I've just acquired a USB F5D8053ed Belkin adapter and it is unreasonably slow. Details of how I installed the firmware and device driver are described in this AU Question. I believe there is either ...
4
votes
1answer
10k 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 ...
4
votes
3answers
913 views

Mutter slows down my system

My Ubuntu (10.10, netbook remix, unity) almost freezes from time to time. As far as I've investigated, the problem is with mutter. Then I run pkill mutter it restarts window manager and system ...
4
votes
3answers
2k views

Netbook Edition battery life - Ubuntu vs. Kubuntu?

I've been running UNR on my eee 1000 pretty much since it came out over a year ago (I was using easy-peasy before that), but I'm curious about the new Kubuntu netbook edition. Ultimately, KDE is ...
4
votes
1answer
2k views

Incredibly bad M.2 SSD performance (HP OMEN with Samsung XP941)

I have a new laptop (HP Omen) and have just, after great trials and tribulations, installed Kubuntu on it. The install is a dualboot install along with the factory Win8.1 installation using EFI mode. ...
4
votes
2answers
119 views

Many games stuttery - nvidia

Many games I play are stuttery, (run at a fine fps, but pause randomly every second or so). This happens both when running a native game such as Amnesia, and a game through wine like LoL or WoW. ...
4
votes
2answers
12k views

How do you apply performance tuning settings for Native zfs?

I am currently running an Ubuntu 12.10 Desktop with some zfs pools. I have installed ZFS using the following instructions and from the PPA it contains: https://wiki.ubuntu.com/ZFS I have a bursty/...
4
votes
2answers
3k views

Does Ubuntu run well on an USB HDD?

I have here a company notebook, and because the HDD is full encrypted, I cannot install an extra partition for another system that I would like to use in my free time. And I really need another system,...
4
votes
2answers
1k views

Will 7000+ fonts slow down my system?

I've just recently download the whole collection of open source fonts hosted by Google, and was wondering if installing them on my computer would cause performance issues. The aforementioned computer ...
4
votes
2answers
2k views

RAID slow on all levels

I am getting very slow write speeds (<1MB) with RAID 1 and RAID 0 (striping and mirroring). The read speeds are sufficiently fast but writing is very slow. At first I thought it was just poor ...
4
votes
1answer
579 views

How can I make perf script -g python work?

After installing perf with the linux-tools-common package, I still can't use the python/perl scripting abilities. $ sudo perf script -g python Python scripting not supported. Install libpython and ...
4
votes
1answer
1k views

Can I lower the graphical strain of GNOME Shell?

Is there some way of configuring "No Effects" in the backend of GNOME Shell to get less memory/CPU overhead from graphical applications? I don't dare to turn on Metacity compositing due to this: ...
4
votes
0answers
45 views

Degraded performance when upgrading from 10.04 to 12.04 and 14.04 [closed]

Our issue is the difference in performance observed when upgrading from Ubuntu 10.04 to 12.04 and 14.04. We've done some simple reproducible tests that show that even Vanilla Ubuntu 10.04 instances ...
4
votes
0answers
130 views

Shutter very slow and laggy?

Shutter is very slow and laggy and I'm not sure why. I've tried to change settings to "Do not save file automatically" and "Do not copy anything to clipboard" but it's still incredibly slow. I have it ...
4
votes
3answers
12k views

Recommended testing tools to test MySQL performance?

What is the recommended tool(s) for testing the performance of MySQL 5.5 (innodb) under Ubuntu 12.04? We have purchased a new multi-cpu multi-core server to replace our current MySQL dual-core server....
4
votes
0answers
14k 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 ...
4
votes
1answer
186 views

What processes should be ioniced for a responsive desktop?

My goal is to intelligently and permanently ionice the processes on my desktop for responsiveness under heavy disk and network load. By permanently, I mean that any changes made to the system will ...
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 as ...
4
votes
1answer
801 views

Downloading large files hangs system

When Im trying to download large files, i.e. 1gb or more under FireFox, first of all it starts with very big download speed and in few seconds in almost get up to max (~11 MBps). It is downloading ...
4
votes
5answers
9k views

Why is Ubuntu running slowly on this computer?

I'm running ubuntu lucid lynx on the following config: 2GB DDR2 Ram 1.50Ghz Core2Duo Nvidia 128MB 8400GS GFX Card Due to some reason the entire operating system feels laggy. The window manager, ...
3
votes
6answers
3k views

How to tweak Ubuntu running on an old PC?

After getting some old, but fancy hardware from my friends, I want to setup a second PC running ubuntu. Due to the fact that the hardware is more than five years old, I'll have to tweak some things to ...
3
votes
3answers
5k 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 ...
3
votes
3answers
1k views

defragmentation of ext2

Is it worth it? there is e2defrag. How long will it takes for 120GB? 8h will be enough? I would like to improve read/write on the hard disc. hard disc seems to be new(9 months old). its in my work ...
3
votes
2answers
4k views

Ubuntu is very slow when Intel SpeedStep is enabled (CPU is not used in full speed)

I have a Dell notebook with i7 processor and Ubuntu 14.10. When i disable SpeedStep in my BIOS my computer is very fast but the fan runs very often and the battery gets empty fast. When I activate ...
3
votes
3answers
5k views

What alternatives to Nautilus exist which are more responsive? [duplicate]

I like Nautilus, but it suffers from lag when navigating between folders. I estimate the delay at somewhere between 300ms-800ms. Not much, but enough to notice and feel sluggish compared to Windows ...
3
votes
3answers
2k views

Unity or Unity2D, which will be fastest on a high spec computer?

I have a decent laptop. i7 quad 2.8, 8gb ram, and Nvidia nvs3100m. I wonder which of unity 3d and 2d that would be fastest on my system. Sure its hard to tell. And the question I'm seeking answer ...