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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0answers
18 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
19 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
21 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
31 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 ...
243
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38answers
172k 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
3answers
96 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 ...
0
votes
0answers
12 views

Speed up first launch time of xfce applications (panel application menu and filemanager Thunar)

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 ...
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 ...
3
votes
2answers
6k 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 ...
-1
votes
1answer
20 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
2answers
860 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 ...
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 ...
0
votes
1answer
36 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
151 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
44 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
32 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 ...
0
votes
0answers
36 views

Extremely poor performance in Ubuntu Server 12.04.5 LTS

I am trying to host a Minecraft server in Ubuntu Server 12.04.5 LTS. For some reason, my computer responds extremely slowly to any executed command or process. When starting up, it can take anywhere ...
2
votes
4answers
5k views

Does installing zRam have any advantages on a system without SWAP?

Running Ubuntu 12.10 here, on an 128Gb SSD and a 4GB RAM system. Ever since I installed the OS, I realised that I dont need the swap partition, as I never use the hibernate function and rarely run out ...
22
votes
4answers
19k 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 ...
0
votes
0answers
19 views

Sandybridge irregular performance with GPU-intensive game

My laptop has a Sandybridge i3, specifically Intel® Core™ i3-2310M. The following condition occurs playing League of Legends using vanilla Wine from the PPA. I do not have a native game to compare, so ...
0
votes
1answer
90 views

Accessing tty1 through 6 takes unreasonably long

When I try to switch from the X session (tty7), it takes very long. Once in tty1-6, going to tty1-7 is instant. It feels as if the time a tty7 -> ttyX switch takes was a function: tty7 -> ttyX ...
4
votes
1answer
457 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. ...
5
votes
2answers
5k views

Better drivers for SiS 650/740 integrated video?

I installed Xubuntu 10.10 on an old box today and the graphical performance is horrid. According to lspci, the video card is this: 01:00.0 VGA compatible controller: Silicon Integrated Systems [SiS] ...
0
votes
0answers
23 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
1answer
421 views

Ubuntu randomly slows to a crawl for no reason

This is a VERY strange problem. My installation of 11.10 will randomly slow to a crawl, giving the feeling of either max CPU/MEM useage, when they are both at normal levels. Although there seems to ...
-1
votes
1answer
39 views

Opening programs very slow on Ubuntu 14.10

When I open any program for first time after boot on my Ubuntu 14.10 it takes 8 second and more ! i think i have powerfull laptop with Intel® Core™ i7-3630QM CPU @ 2.40GHz & nvidia gt630M & ...
12
votes
5answers
6k views

How do I limit Dropbox's activity on the hard disk?

On startup, Dropbox runs files indexing, which brings the system pretty much to a stand still for three minutes. Is there a way to restrict Dropbox from accessing the hard disk, or decrease the ...
4
votes
2answers
139 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 ...
0
votes
2answers
280 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 ...
5
votes
1answer
174 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 ...
33
votes
11answers
34k 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?
1
vote
1answer
244 views

InkScape starts extremely slow

InkScape starts extremely slow on a powerful machine (16GB RAM, Intel Core i7, SSD). I did: $ inkscape After 8 seconds the window appears. This happens every time I start inkscape. Is this a ...
0
votes
0answers
45 views

Samba performance on ubuntu server 14.10

I have a desktop machine with ubuntu server installed which I am converting to a docker repo + media server(using samba -no amahi/firefly etc bloatware). Earlier I was using windows 8.1 and while ...
9
votes
0answers
664 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 ...
0
votes
0answers
30 views

Graphics Performance

My system specifications are Intel Core i5 2500; NVIDIA GeForce 520GT and I am running Windows and Ubuntu 14.04 as dual-boot . I prefer to use Ubuntu, but the Gaming Performance (Minecraft) is better ...
0
votes
0answers
33 views

Java algorithm performance difference between Linux and Windows

We observe a very significant performance difference of an algorithm in java between Linux (ubuntu) and Windows. The difference is 3x-4x in favor of Windows. Test machine is i3770 quad core (8 logical ...
0
votes
1answer
77 views

How should I encrypt Ubuntu Server 14.04 with AES on RAID 10 and RAID 5?

After researching I've come to the conclusion that my set up is just not standard enough to have a direct answer floating about on the interwebs. My Hardware: i7 950 CPU 24 GB DDR3 7 2TB 7200 RPM ...
0
votes
0answers
54 views

Ubuntu 14.04.2 is acting really glitchy and frequently has severe lags and has graphical bugs

Programs will dim and not respond after a while. Opening programs make the screen bug out. Is there a way to fix this without having to reinstall from USB/CD.
0
votes
0answers
32 views

Slow Chromebook Acer C710-2847 after 14.04 LTS upgrade

My Acer C710-2847 laptop is slow after upgrading to 14.04 LTS. I tried to watch a movie downloaded on it and it was just like a "Slow Motion" movie while it was fine before upgrading. I also usually ...
0
votes
0answers
24 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
1answer
65 views

Photoshop CS6 on Wine Performance Improvement

So I'm running Photoshop CS6 on Wine on Ubuntu 14xx. My issue is once I get deeper into work (fairly large images), the performance drops...a lot. When I ran Photoshop on Windows using the same PC, I ...
20
votes
3answers
19k views

How can I measure the execution time of a terminal process?

I'm trying to measure the execution time of a process that I call via the command line (i.e., I want to find out how long it takes to for the process to finish). Is there any command that I can add to ...
0
votes
0answers
48 views

VMware Performance Problems

I've installed Ubuntu 14.04.1 as a virtual machine (VMWare Player 6.0.5 build- 2443746), and it's performing terribly. My host machine is a Core2Duo (E6550) @ 2.33Ghz<br/> 4Gb RAM<br/> ...
0
votes
1answer
31 views

New member with performance question [duplicate]

Just loaded Ubuntu on an older PC and it seems to be running very slow and “choppy”. I am running ubuntu 14.04 LTS on my 2003 Compaq Presario S4000NX. RAM = 993MB Processor = Intel Celeron ...
1
vote
4answers
112 views

Can I get a 100% dedicated CPU to my critical process?

I am looking for a way to get a consistent time measurement (<1% difference between the different runs) for my program under Ubuntu 14.04. perf stat shows that I still get quite a few context ...
1
vote
0answers
65 views

Critical random slowdown issue using KVM/QEMU

I'm having a critical issue with KVM/QEMU which is severely impacting one of my projects and I don't know where to put my hands. I've set up a brand new physical server configured with a 2 x Intel ...
0
votes
1answer
23 views

which version on older laptop? [duplicate]

my 5 yo acer laptop came with windows vista which was just ok. I loaded win7 and it is now extremely sluggish. I'm going to wipe it completely and install an older ubuntu version* I need it for ...
0
votes
0answers
88 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 ...