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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4
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0answers
1k views

Is it seriously not possible to use both SLI and two monitors at the same time on Ubuntu with Nvidia?

Now that Ubuntu is slowly becoming a viable gaming platform. Now that Valve gave Nvidia and AMD enough of a push to actually improve their proprietary drivers ... ... I'm completely and utterly ...
3
votes
0answers
351 views

Slow loading of pages (browser performance)

I have Ubuntu 12.10 installed. I notice for certain webpages, firefox and chrome both load them very slowly. In fact, while text content loads quickly, both of the browsers seem to be loading ...
2
votes
0answers
98 views

Poor Gaming Performance in ubuntu

I'm seeing a problem in Ubuntu 12.04 and later. When I boot into a video game like Half Life 2, I get massive lag (FPS drops) and my CPU runs at 100%. My system even lags for games like SuperTuxCart ...
2
votes
0answers
169 views

Slow performance while copying large files to external peripherals

Since I upgraded to Ubuntu 12.10, I have been having many problems with External Storage devices like Hard Disk and pen drives. Sometimes, my external HDD (WD Passport 500 GB) is not detected at ...
2
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0answers
297 views

Hard Drive too slow

My computer has been going too slow since I remember, I tried several tips I found on Internet but nothing worked. After spending some time searching about the problem I found that it might be my hard ...
2
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0answers
270 views

ubuntu 12.10 64-bit consuming 100% cpu power and high battery

I am new linux user, installed ubuntu 12.10 (64-bit) from wubi (getting boot option (windows7/ubuntu). But after opening ubuntu, laptop gets heat up, fan running very fast and performance is very ...
2
votes
0answers
94 views

Does enabling ACLs have an effect on performance?

I'm looking at a web application that needs ACLs enabled. Are there any benchmarks or other documents to show what potential impact ACL does{n't} have when the file system is under heavy load? Also, ...
2
votes
0answers
157 views

Ubuntu EXTREMELY slow on MacMini

So I have an older MacMini. It's not the world's greatest machine, but it doesn't suck that badly: Intel® Core™2 CPU T5600 @ 1.83GHz × 2, 1gig ram I have installed Ubuntu on MUCH weaker machines ...
2
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0answers
132 views

What does this fix for non-responsive mouse and keyboard do?

I'm using Ubuntu 12.10 and found that after about 20 minutes of work that my mouse and keyboard became very unresponsive. So I found the following fix (logging in as root - careful!!!): sudo -i To ...
2
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0answers
208 views

Minecraft runs really weird in Ubuntu 12.10

When I have Vsync on my framerate is capped to 30 instead of 60. Also, when I go fullscreen the mouse seems to have really fast acceleration and the game looks really jumpy. I could run this on ...
2
votes
0answers
136 views

What flags can I add or are added when loading the kernel to enhance Sandy/Ivy Bridge performance

Are there any flags in Ubuntu 12.04 that I can add or are added already that when loading the kernel it enhances the performance of Sandy or Ivy Bridge hardware? In my case my motherboard is the ...
1
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0answers
38 views

Lubuntu: laptop abnormally slow

My laptop is pretty new (less than a year) and has decent specs, but since 1/2 months it gets really slow even if I do things I could easily do before (development + browsing). This makes it ...
1
vote
0answers
27 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
20 views

RAID6 Ubuntu rebuild - how to calculate best parameters for fastest rebuild

I am doing a resync on a RAID6 array and I am looking at some 2 days to complete. I looked here for hints on how to speed it up, but I have, instead, managed to slow it down! HW details are: 10x 4TB ...
1
vote
0answers
30 views

Performance goes to Zero when RAM cache is full

This isn't a straightforward question as I've read that cached RAM will be released when needed. I have the hunch that this is not happening on my system (or something else is skrewed). I have a AMD ...
1
vote
0answers
65 views

Acer C7 Chromebook running 13.10 slow Performance Graphics?

I see others are having simiar issues but I haven't found a fix. Instead of the Intel fdriver, Ubuntu showing gallium driver. Honestly, the performance is sluggish, I wasn't even sure it was Video ...
1
vote
0answers
29 views

Basics about Nvidia GPU and graphics performance

Well, I'm new in this OS, and I already love it. Before I had Win7 but I'm not coming back. I installed it yesterday in my laptop, a HP Pavilion dv4-1528la with a GPU Nvidia GeForce 105M. Installed ...
1
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0answers
35 views

Window manager affects 3d performance - how to work around it?

I learned the hard way that enabling compositing VM will affect 3d performance. What can I do today to be able play games on linux with no performance penalty? I guess I could create user with ...
1
vote
0answers
51 views

Laptop with Battery is faster than Power Connection at Ubuntu 13.04

Recently, I found a very strange phenomenon on my laptop. When the laptop is plug-in the power, then the CPUs work slowly, but when it is unplugged, i.e. it works with battery, then the CPUs work with ...
1
vote
0answers
87 views

System very slow except while running Smartmontools selftest

I am quite new to Ubuntu. I have a L430 Lenovo with i5-3210M CPU @ 2.50GHz × 4 , 4GB Ram, dual boot with Windows 7. HDD 500 GB TOSHIBA MK5061GSY. Every 10/15 seconds the HDD light turns on for 2-3 ...
1
vote
0answers
45 views

Gnome3 runs faster when running game

I'm having a bizarre, and kind of funny, "problem"(if you can call it such). Ordinarily, Gnome shell is quite choppy on my system. Sure, it's smooth "enough" and fast "enough" but it most certainly ...
1
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0answers
64 views

Streaming video on Win 8.1 vs Firefox on Ubuntu 12.04

I have a dual boot system, Ubuntu 12.04 and Windows 8.1; just an experimental spare computer, the point here being that the hardware is identical. When using IE and Windows 8.1, I can view streaming ...
1
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0answers
74 views

Ubuntu 13.04 is operating too slow while plugged in for charging

Hardware: • 8GB RAM • 1TB hard disk • AMD A8 Quad Core processor My problem is: As soon as I plug in my computer for charging, my system performance gets extremely slow. Please help me out.
1
vote
0answers
48 views

Restored systray sometimes disappears from screen

I use Unity with restored systray from timekiller repository. I had no problems with it until there was an update in proposed repository. I realized my mistake and downgraded it because it was really ...
1
vote
0answers
801 views

very high IOWait + extremely slow hdparm -tT

I have been running 12.04 on my Fujitsu Siemens Lifebook E751 for almost a year without any problems, and then several days ago I noticed a very high CPU IOwait that makes the system poorly responsive ...
1
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0answers
193 views

Which is the light one? Openbox or IceWM for ubuntu 12.04 LTS?

Which is the light one? Openbox or IceWM for ubuntu 12.04 LTS? i want to install on Ubuntu LTS, and i really need it because the hardware accelerate of unity 3D make my battery drain faster on ASUS ...
1
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0answers
2k views

GeForce 8600M GT: Nouveau performance better than proprietary driver?

After installing Ubuntu 12.10 on this computer, I installed NVIDIA's proprietary driver, since I might want to play a few games. I soon started having problems with video and audio. I'd be watching a ...
1
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0answers
200 views

Ubunut 12.10 64 bit using 100% CPU

Configuration Ubuntu 12.10(64 bit) i3 Processor Ruby 1.9.3 Java openjdk(6 or 7) Any ruby or java command using 100% CPU. It works perfectly fine with ubuntu 10 or 11 (32 bit).
1
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0answers
91 views

CPU performance decreases with AC power

I am doing CPU-intensive work on my Thinkpad X220 laptop and I find the performance bad. Interestingly, the CPU becomes more powerful if I disconnect the AC power and run only on battery! It does slow ...
1
vote
0answers
325 views

Fglrx 13.1 weird performance behaviour

Recently I installed Ubuntu 12.04.1 on my laptop with an ATI Radeon HD 5450. The open-source drivers perform well for the desktop environment, but not so with games. I just switched because I thought ...
1
vote
0answers
153 views

Handling a very large number of network interface aliases

I have what is probably a bit of an unusual problem. I'm developing a network stress testing tool for internal use, and one of the things I need is to simulate a lot of entities each with their own IP ...
1
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0answers
161 views

Ubuntu 11.10 (through 11.04) freeze when NVIDIA powermizer not set to Maximum Performance

Running ubuntu 11.10 with all the latest updates, latest NVIDIA drivers (304.64 - it has been happening on all drivers for more then a year now though), with an NVIDIA GeForce GT 240. If I don't set ...
1
vote
0answers
188 views

How do I speed up initial login?

The initial login on my Ubuntu 12.04 machine can take anywhere from 45 seconds to two minutes. If I log out, then log back in again, the login time takes between 4 and 7 seconds. How can I find out ...
1
vote
0answers
316 views

Openbox overhead is similar to that with gnome-panel

I just installed openbox via sudo apt-get install openbox. It already has obconf, btw. I noticed that when I logged into my openbox session instead of the one I usually use (gnome-panel and NOT ...
1
vote
0answers
198 views

High powered ubuntu desktop machine running slow

I have a super powered desktop machine running ubuntu version : Ubuntu 10.04.4 LTS The syetem specs are : 12xIntel(R) Xeon(R)CPU W3690 @ 3.47GHz with 12324MB RAM The machine used to run very nicely ...
1
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0answers
7k views

Ubuntu 12.10 running slow

I pasted syslog and perhaps anyone can see trouble that might need attention. It is running too slow for what I would suspect. Opening apps and web pages just takes forever. ...
1
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0answers
70 views

How to determine what applications affect xorg/compiz load

Is there a way to tell which application causes huge cpu usage and huge load for xorg and compiz processes?
1
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0answers
222 views

More than FOUR minutes to boot up my Ubuntu 12.04. What could be the problem?

I cannot tell exactly when this happened, but surely after upgrading to Ubuntu 12.04, but on my last bootup it lasted from selecting the distro on the GRUB menu to full usability 4 minutes 22 seconds ...
0
votes
0answers
30 views

System performance is extremely laggy when copying and extracting files

After a clean install of Ubuntu Gnome 13.10 (64-bit) and the according Gnome 3 (stable) PPA my system (Samsung 900X3C) is extremely laggy, when files are copied to the external hard-drive (HDD) or ...
0
votes
0answers
37 views

Samba performance with NAS

My question is simple : how to get the maximum performance with Samba shares with NAS. Here is my smb.conf file : # # Sample configuration file for the Samba suite for Debian GNU/Linux. # # # This ...
0
votes
0answers
30 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 ...
0
votes
0answers
42 views

High CPU usage for graphical (Streaming/Offline Video) usage

Whenever I stream video (HTML5 mostly, sometimes flash) my CPU usage shoots quite high, often reaching close to 90%, although very less RAM is being used. I installed libvdpau-va-gl to enable hardware ...
0
votes
0answers
27 views

Does the installation of different OSs in the same machine reduce the performance of it?

I'm trying to install Ubuntu on my computer based on Windows 7 SP1. Does the installation of different OSs in the same machine reduce the performance of it? What about of my case? Thanks a lot!
0
votes
0answers
20 views

Ubuntu 13.10 ultra sluggish

I installed Ubuntu 13.10 a week ago, and have installed it three times since. The reason: Every time I installed it. With all updates. Just restricted extras. 3.Nothing but the system, I got a ...
0
votes
0answers
59 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 ...
0
votes
0answers
16 views

IPSec Offload support in 82576GB controller for Linux

Due to migration of servers to cloud computing, we bought several NICs that support mechanisms like SRIOV and VMDQ. Furthermore, as security risk was also a concern and we did not want to create more ...
0
votes
0answers
36 views

Improve performance etc for full-disk-encrypted drives

I have an old laptop (AMD A6-3420M APU) running Ubuntu 13.10 in wubi. On this laptop I use VirtualBox to run an an Ubuntu 12.04 VM. The Ubuntu 12.04 image has full disk encryption and home folder ...
0
votes
0answers
42 views

Sometimes my Ubuntu 13.10 is slow and the mouse leaves a trail, on a high end PC

I'm using a gaming PC but Ubuntu randomly boots slow. I mean if it's slow, it's slow all the time until I restart. If it's fast, it's fast all the time until I restart. I have tried installing the ...
0
votes
0answers
40 views

Very Slow SDXC Card Read/Writes

Recently took my laptop which had Windows 7 on it and did a fresh install of Ubuntu 12.04.4 64 Bit. The laptop has a 128GB Class 10 Kingston SDXC card installed. I used the card in Windows without any ...
0
votes
0answers
91 views

Ubuntu 12.04 Sever is running slow and not using full ram

I have a ubuntu VM of 12.04 server virsion and it is running on centos. VM have 8GB of RAM and 1 core processor for it. I amd running following application on it hadoop 1.0.4 hbase-0.94.12 ...