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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3
votes
0answers
180 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 ...
3
votes
0answers
123 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, ...
3
votes
0answers
510 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
81 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 ...
2
votes
0answers
776 views

SD card write speed not as advertised, on 14.04 at least

I bought a new SD card and the claimed performance is a long way from my benchmark. Is there something I can do improve the transfer speed when working with this SD card? Information on the disk: $ ...
2
votes
0answers
209 views

12.04 to 14.04 update slows down the system

I recently updated from 12.04 to 14.04 LTS. But the system is very slow. Everything works, but slowly. What could be the reason?. I have 4GB RAM, 10GB swap space and 300 GB of hard disk. Also the ...
2
votes
0answers
166 views

full disc encryption with SSD

I'm about to reinstall Ubuntu onto my laptop. If I use full encryption, which I desire, how will this impact performance of the SSD and FSTRIM? Will I still be able to use it or will it be ...
2
votes
0answers
262 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
229 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
votes
0answers
528 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
votes
0answers
296 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
153 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
votes
0answers
223 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
327 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 ...
2
votes
0answers
138 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
vote
0answers
39 views

Screen darkens, greys out, and freezes when running sofware centre or update manager

I'm running Ubuntu 15.04 on an acer aspire one 522 netbook. I do have a problem that a month of searching this Q&A Site still hasn't answered. Launching the Ubuntu or Lubuntu software centre or ...
1
vote
0answers
33 views

Do I have to install any additional driver for my usb 3 port in ubuntu 14.04 LTS?

I installed ubuntu 14.04 lts in my new laptop (HP 250 G3 Notebook). It has a usb 3 port with it, but surprisingly the speed of usb 3 and usb 2 is same. I have attached the output of lsusb Bus 001 ...
1
vote
0answers
50 views

Choose Different Screen Layouts with Latest NVIDIA Driver Dual 4K Setup

I just bought a ASUS PB287Q monitor and hooked it up (via HDMI) to my ASUS N550JK-DS521H. Everything works...but the performance of rendering on the external (right) monitor is terrible. So bad I can ...
1
vote
0answers
140 views

Shutdown Takes too much time in Ubuntu 15.04

I upgraded Ubuntu 14.10 to 15.04 about a month before, after upgrading I'm facing too much of performance issues and it also takes too much time to shutdown. Is there problems with this new release of ...
1
vote
0answers
58 views

Video Editing Performance?

I'm relatively new to Linux but love using Ubuntu and it has become my preferred OS for daily use. I am really disappointed I don't seem to ba able to edit video on Ubuntu 14.04 with my Lenovo ...
1
vote
0answers
60 views

Home Computer Build Designed For Optimized Performance With Ubuntu

Perhaps this is not a question for this forum, but I hope I can get some good info here. I currently dual-boot Ubuntu on a MacBook Pro. The OS performance is unreliable on my laptop, so I am hesitant ...
1
vote
0answers
263 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. ...
1
vote
0answers
133 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 ...
1
vote
0answers
48 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 ...
1
vote
0answers
147 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 ...
1
vote
0answers
54 views

Harddisk operations totally brings down my system respond time to its knees

I have massive system slowdowns during harddisk operations on my PC. My Firefox is responding slow, it gets to a extreme at times that it actually becomes a not responding program and greys out during ...
1
vote
0answers
22 views

Ubuntu 14 Idle - Non Activity Causes Poor Performance

I'm having an issue with Ubuntu 14. I have a touch screen and I noticed after medium to long periods of inactivity the device "throttles down" and takes a few moments to snap back. When I tap the ...
1
vote
0answers
230 views

Ubuntu 14.10: Extremely bad CPU Performance and heat

Ubuntu is running extremely slow due poor CPU performance, I have fairly good notebook (4GB ram 2.4Ghz Sandy Bridge CPU) and I know thats the cause is the p_state driver from Intel (the substitue of ...
1
vote
0answers
104 views

Benchmark phones using Ubuntu Touch?

I have a few used phones running identical fresh installs of the current Ubuntu Touch for Devices and want to benchmark their performance and attributes in the field such as: processor, battery ...
1
vote
0answers
119 views

Ubuntu 14.04 64bit Slow performance

I am using ubuntu 14.04 64bit version in my following configuration system. CPU - Intel i3 3.30 Motherboard - Intel DH61BF Ram - 4GB DDR3 Hard disk - 250GB sata When i was using Ubuntu 13.04 32bit ...
1
vote
0answers
85 views

CPU usage varies from 0 to 100. Strange waveform

so I have a strange problem. I'm currently using an old Thinkpad T61 and Ubuntu 14.04 LTS, although this same problem was also happening when I had elementary OS Luna (based on ubuntu 12.04 LTS) ...
1
vote
0answers
372 views

Ubuntu Hangs a lot even when 3 or 4 apps are working

I have a Samsung NP300E5C-A0CIN Laptop with 2 GB of ram, intel i3 processor. I have installed ubuntu 14.04 alongside windows 8.1 My laptop tends to hang a lot, especially while browsing the web both ...
1
vote
0answers
31 views

Total system failure on ubuntu 14.04

I have a Lenovo ThinkCentre that just had Ubuntu 14.04 installed on it. I installed restricted extras, attempted to turn on the firewall in the terminal, and made a few extra tweaks. Now there is a ...
1
vote
0answers
613 views

Radeon R7 M260 & Proprietary Drivers: Bad Performance

I recently bought a Dell Inspiron 5547 laptop and installed Ubuntu 14.04 on it. Almost everything worked great out of the box. This laptop comes with two graphic cards, an Intel HD Graphics 4400 and ...
1
vote
0answers
116 views

Problems with external harddrive (USB 2.0)

I recently installed Ubuntu 14.04. LTS on a Compaq Presario CQ 60. After having a few problems, I managed it to run more or less stable (freaking Nvidia problems are more or less resolved by using ...
1
vote
0answers
412 views

Ubuntu 14.04: very slow response from a 64 bit fresh install on 4 core server

I did a fresh install of Ubuntu 14.04 desktop version (64 bit) on the Dell quad-core (2.3 Ghz) AMD64 server with 8 GB of memory. The graphics card is NVIDIA CK8-04 Pro (System details says ...
1
vote
0answers
2k views

Very high IOWAIT times

I have a large system - 128GB, a couple of RAID0 filesystems (6TB and 2TB) with an SSD cache, 8 cores (16 with hyperthreading), running Ubuntu 12.04 64bit. When I try to write a large file I get very ...
1
vote
0answers
124 views

Former Windows XP systems are slow after installing 14.04

I just replaced windows XP on our work computer with Ubuntu 14.04 32-bit, and it runs really slowly, only after logging into an account and the screen sometimes flashes. It doesn't fill the whole ...
1
vote
0answers
280 views

“not authorized to perform operation” message in Xfce remote desktop

On ubuntu 14.04 i installed Xfce to maker remote desktop working. when i rdp to the machine and while performing some tasks like mounting removable usb media I get "not authorized to perform ...
1
vote
0answers
81 views

How to fix System Settings window lag

I wanted to open System Settings window and I waited ~30s. Then the window was opened. My machine has an Intel Core i7 processor and 16GB RAM. What produces a lag in opening System Settings? How can ...
1
vote
0answers
92 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
57 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
vote
0answers
93 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
91 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
vote
0answers
521 views

My Laptop is running very slow when I installed ubuntu

I recently installed Ubuntu on my laptop, I have a pretty decent configuration that supports windows 8 very fluently but Ubuntu lags a lot while operating. This is my Laptop's configuration: ...
1
vote
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
vote
0answers
560 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 ...
0
votes
0answers
44 views

why root user use 100% cpu in ubuntu 14.04?

When I am using top command in Ubuntu system there is root user always use 100% cpu uses and display goes to black and system taking lot of times for other process.
0
votes
0answers
26 views

Why does wifi USB dongle slow down USB stick file copy/transfer?

I am on Ubuntu 15.04 but my problem has been around for a long time in previous releases - I have a PC with a Belkin wifi USB dongle attached using the r8712u driver. Every time I copy a file, ...
0
votes
0answers
64 views

Graphics Driver not satisfied

I have a dell 3542 with Intel® HD Graphics 5500 (Broadwell GT2). and in Ubuntu 15.04 my details says GRAPHICS Intel® HD Graphics 5500 (Broadwell GT2) .but i can clearly see a different in the ...