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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0
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0answers
8 views

Loading of applications in ubuntu freeze my system for a while

I have a very powerful ubuntu system with core i3 4370 processor and it works very fast, but it seems it's bottleneck is in harddrive. This log review loading of my hard drive when I try to open ...
19
votes
4answers
3k 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 ...
11
votes
3answers
836 views

What is causing Ubuntu on MacBook Pro to have high CPU usage?

I installed Ubuntu 13.10 on a MacBook Pro 10,1. However, after installing, the kworker process consumes over 90% of CPU usage. I tried the following: (Suggested in this answer) Execute grep . -r ...
1
vote
0answers
33 views

Ubuntu Host in VirtualBox has long delays before startup

I run Ubuntu in virtualbox on a windows 8.1 host. After some updates of the guest, it started to have lags/delays before it starts. It also shows some warnings. After it starts, everything is fast. ...
3
votes
2answers
7k 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
0answers
97 views

Vivid / Poor performance on Football Manager 2014

When I launch a new game, I only have one star for performance, even for 1 league only, despite a good configuration for this (i don't want 3D view of matches): Xubuntu Vivid x64 / Intel Celeron ...
0
votes
1answer
18 views

My Ubuntu on AWS is very slow

I have Ubuntu 14.04.1 install on AWS and it was getting slower and slower Not knowing what to do I updated and upgraded my system It did not help Testing disk usage (df -h) I get Filesystem ...
0
votes
0answers
13 views

Percona deb download via cloud init very slow

I'm trying to set up a Trusty instance via a cloud init file and the install process is stalling for a few minutes. When I tail the install output with tail -f /var/log/cloud-init-output.log, I see it ...
1
vote
0answers
13 views

Slow raid5 resync with WD Green drives

The Question Why is my initial resync so slow? Initially cat /proc/mdstat reported ~ 30000K/sec. I then increased /sys/block/md0/md/stripe_cache_size from 256 to 16384. That increased the speed to ...
1
vote
1answer
40 views

Automatic switching between performance and powersave mode on plugging in/out the power supply

Recently I've been trying to investigate why my laptop is so slow. I found out that it runs at ~600Mhz, regardless of the power supply being plugged in or not. Note that it's Intel i5-2540M nominally ...
-1
votes
0answers
59 views

Why ubuntu runs so slow on my laptop? [duplicate]

I am running Ubuntu 15.04 but it is running very slow, a lot slower than windows 8.1. When I open a browser or file manager it takes 5-10 seconds before it opens, the system settings take 6 seconds to ...
0
votes
0answers
57 views

Speed up first launch time of some applications (in this case: filemanager, xfce panel addon)

I installed xubuntu-desktop on my Ubuntu 14.10 and now use its file manager Thunar and its panel addon application menu (link to its docs.xfce.org site). Both programs take extremely long to launch ...
0
votes
1answer
38 views

After I installed UFW ssh login very slow

I'm wondering if I made a mistake or if this is the normal case. I turned off password based ssh login and changed it to RSA key exchange. After that I changed the ssh port and then I installed UFW. I ...
0
votes
0answers
12 views

Why interface lags a lot when writing to disk and try play games

Ubuntu 14.10 with open drivers (not tested with catalyst) lag when I write data to external USB disk. And if I run Team Fortress 2 the interface lag hard - some mouse movements ignored, keyboard ...
0
votes
0answers
32 views

Slow performance Xubuntu 14.04 - Radeon HD6950

Im having slow video performance on my i5 with 16gb of Ram with a Radeon HD6950. Just installed the xubuntu, updated the system and when i open for example the Firefox or chrome, the video appears to ...
16
votes
5answers
73k views

How do I improve the performance of my VirtualBox guest?

I run a guest ubuntu 12.04 on a host ubuntu 12.04, with VirtualBox, and the guest is much, much slower than the host (ALT+TAB takes 4-5 secs). I had a look around and I found contradicting opinions on ...
1
vote
1answer
47 views

Lubuntu on ASUS 1215

I have a ASUS Eee PC 1215P netbook (Seashell series) and liked to migrate from it's original MS-Windows 7 to Ubuntu/Lubuntu. There are documents on Ubuntu official website website which certifies that ...
1
vote
2answers
51 views

cpu is always at high consumption 50% - 90%, what can be checked for solving?

My platform: Host: Ubuntu 14.04.2 Virtualbox ubuntu 14.10. The cpu of the client 14.10 is always reach at high consumption, although no app running. After a start up, I launch nothing, the cpu is ...
2
votes
1answer
86 views

Worse compiz performance in Ubuntu 14.04LTS

I know this question has been asked multiple times before, but they seem to be like 3-4 years old now and I could not find any associated with Ubuntu 14.04. Also, solutions mentioned there do not ...
0
votes
0answers
26 views

Ubuntu touch HTML5 performance

I made a simple cordova bootstrap HTML5 app and deployed it on a bq phone. When I open the top right page navigation menu it appears that the slide animation is very slow. The animation is rendered in ...
5
votes
3answers
5k views

GUI Performance Monitor Tool

I need to monitor the performance of an Ubuntu 12.04 machine. I am looking for a tool similar to PerfMon on Windows. I need something more interactive that using top from a terminal ; I am looking ...
0
votes
0answers
14 views

Ubuntu Sometimes with slow graphics and locking

long time since I installed Ubuntu x64 on my machine (Del Inspiron 3421 with Intel graphics) always realized that the graphics were not working as well as they should, I used Ubuntu 4.12 LTS x64 and ...
0
votes
1answer
41 views

Which subdirectories of / should have compression disabled in btrfs root filesystem?

Imagine you set up your root filesystem to be btrfs with Ubuntu 14.10 defaults (one subvolume for / and one for /home) and you want to compress and deduplicate as much as possible. Which directories ...
0
votes
0answers
39 views

How much use of swap space means that I should add more memory?

My system is slow and I am trying to figure out if I need more memory or a better system. I am using Ubuntu with 32 GB RAM. $ free total used free shared buffers ...
6
votes
1answer
2k 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 ...
1
vote
2answers
1k views

Getting URL of YouTube video with `youtube-dl` is slow, without downloading video

I want to get the URL using youtube-dl, and the "simulate" option -g that does not download the video. So I gave the following command: youtube-dl -g https://www.youtube.com/watch?v=k4JGSAmu4lg ...
0
votes
0answers
20 views

Allocate disk space to partitions in a fresh install

I'm planing to do a fresh xubuntu install and am wondering about how I would best partition my hard drives, which are as follows: SSD - 128 GB HDD - 2 TB Right now, running ubuntu, I have the ...
248
votes
38answers
181k views

How can I improve Ubuntu 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 ...
0
votes
0answers
24 views

Performance of KVM on 32 Bit Ubuntu compared to 64 Bit?

Due to hardware failure, I recently grabbed a harddisk out of an old 32 bit machine and plugged it into a new 64 bit system - powered on, everything good, services outage minimised. Now I am planning ...
0
votes
1answer
25 views

how to check if zfs is using the kernel module

I am having perfomance troubles (transfer rates only about 50MB/s using 6 2TB server hdds WDC WD2003FYYS, each doing app 150 MB/s) with my raidz and was hoping to increase it with the ZFS on Linux ...
3
votes
1answer
78 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 ...
0
votes
0answers
19 views

Why is Ubuntu so slow? (I'm a new user) [duplicate]

I am new to Linux. It seems to be that Ubuntu is much slower than other Windows OS. Please show me how I can improve my computer's performance. Thank you very much in advance. Theo
0
votes
1answer
26 views

Setting to High Performance

When I had Windows 8.1, there was a power option for "High Performance" which allowed higher performance at the cost of power supply. Is there a way to set my power option to "High Performance" on ...
9
votes
9answers
8k views

Will installing Ubuntu to dual boot with windows 8 slow down Windows?

I am going to install Ubuntu to dual boot with Windows 8 soon, but one of my friends warned me that partitioning my hard drive will slow my computer down. I run on a 500GB HDD and 8GB of ram if that ...
0
votes
1answer
144 views

Upstart vs Systemd Performance

Has anyone measured difference in performance between these 2 systems on Ubuntu? Systemd is coming, and it has it's merits, but I fear Upstart will be tough to beat on Ubuntu, since it had years of ...
0
votes
3answers
165 views

ubuntu 13.10 performance for 1 GB machine

I installed Ubuntu 13.10 to my desktop which has 1 GB main memory and AMD 64 bits CPU. It happens that the system freeze, applications not response sometimes and crashes a few times. I just learn ...
1
vote
0answers
30 views

Why is my system unbearably slow?

I have a Thinkpad Edge E430, Core i5 dual core, 4GB RAM, Ubuntu 14.04 64-bit. It is pretty common for my system to freeze in such a way that the mouse cursor still reacts, slowly, lagging - but ...
0
votes
0answers
35 views

Severe lag in Ubuntu 14.10

I am currently having a serious problem in Ubuntu 14.10. This morning when I booted into my computer, The UI of Ubuntu started to give me some serious lag. Normally the OS is perfectly fine, but every ...
1
vote
2answers
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 ...
2
votes
1answer
28 views

Any benefit to uninstalling unused applications?

I am a newcomer to Linux and after a few months of trying out different distros I have now settled on Ubuntu 14.10 on my aging HP TX2000 Notebook. One thing I am unsure of is if there is any benefit ...
1
vote
1answer
56 views

What can I do to restore disk performance on slower Ubuntu VM

I have Ubuntu 12.04 (x86) running under VMware Workstation 10.0.5 on a Windows 7 x64 host. Disk access in this VM is noticeably slow - it takes ages just to start Firefox, for example, and the disk ...
0
votes
3answers
98 views

Speed Up Ubuntu 13.10

Since i m new one to ubuntu. When using windows 8 OS, there are lot of ways to speed up the system performance. That is why i want to know what are the possible ways for best performance of system. I ...
8
votes
3answers
2k views

Upgraded to Ubuntu 14.10 and *everything* lags

Yesterday, I upgraded my Lenovo Thinkpad X1 Carbon (2013) from Ubuntu 14.04 to Ubuntu 14.10. Since then, everything lags, from applications when opened (or 'drawn back in the background' for an ...
11
votes
2answers
3k views

Ubuntu Gnome 14.10 - desktop performance degraded when certain apps are running

I have upgraded from Ubuntu Gnome 14.04 to 14.10 yesterday using standard Software Updater GUI. The upgrade went smooth, however once upgrade was done I've noticed significant desktop performance ...
-1
votes
1answer
45 views

Recommanded step for Apache and mysql Performance tuning

I googling lots of sites and forums to solve issue but i didn't get result as my expectation. I installed successfully Ubuntu 14.04 LTS on ProLiant DL360 hardware with LAMP environment. Hardware ...
1
vote
3answers
7k views

How can I fix the lag when running Ubuntu installed on a USB drive?

I recently did a fresh install of Ubuntu 12.04. I did it on a 16GB USB flash drive, with 964MB for swap and 13.97GB for ext3. System specs: 2GB DDR2 RAM (800~ frequency range) 3.14GHz single core ...
1
vote
1answer
44 views

Ubuntu performance drop

I upgraded to Ubuntu 14 and it seems im lagging. I started playing a 2d rpg game on steam and my whole pc is a bit sluggish. I read that I should use xubuntu or something. I'm on an intel HD processor ...
0
votes
1answer
167 views

Google maps brings down performance, even after close

I'm using Ubuntu 12. Google maps are very slow on my laptop, but even when I close browser (Chrome or Chromium), the performance goes down significantly. It stops every 3-4 seconds for about a ...
1
vote
0answers
69 views

Very slow Chromium browser

On my machine Chromium is very slow, I had to switch to Firefox where everything works fine. Looks like this is a kind of JavaScript problem (eg. slowed down typing on Facebook), pages loading slower, ...
0
votes
1answer
38 views

What is throttling multithreaded performance? [duplicate]

I installed Ubuntu 12.04.5 (64 bit) on a Dell T5500 with two Xeon 5650 6-core processors specifically to run the free DCP-o-matic software (http://dcpomatic.com/). The same machine used all 24 virtual ...