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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0answers
166 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
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2answers
303 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 ...
0
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0answers
81 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 ...
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0answers
73 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 ...
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0answers
59 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 ...
2
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2answers
428 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
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0answers
190 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 ...
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0answers
88 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 ...
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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
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1answer
443 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 ...
0
votes
1answer
76 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 ...
1
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0answers
59 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 ...
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0answers
72 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 ...
2
votes
1answer
74 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 ...
0
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0answers
165 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 ...
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1answer
159 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
1answer
113 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 ...
6
votes
2answers
1k 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, ...
1
vote
1answer
152 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 ...
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0answers
124 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 ...
0
votes
1answer
61 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
1answer
152 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
132 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 & ...
0
votes
1answer
120 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
2answers
2k 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
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0answers
93 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 ...
0
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0answers
44 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 ...
1
vote
2answers
3k 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 ...
0
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0answers
187 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
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0answers
135 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
1answer
361 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
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0answers
110 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
1answer
147 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
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0answers
331 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
35 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
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0answers
222 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
24 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 ...
1
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4answers
350 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
1answer
247 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 ...
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 ...
0
votes
1answer
113 views

How to check if SSHD works? [duplicate]

I have a Laptop with an 500 GB SSHD and running Ubuntu on it. A friend of mine told me he is not sure if Ubuntu is even capable of taking advantage in terms of performance of this technology. So my ...
1
vote
2answers
866 views

Terrible performance in desktop at 4K

i'm running ubuntu 14.04, is it a known problem to have bad performance compared to windows? This is my setup: 2x nvidia gtx970 intel i7 5820K monitor: Samsung U28D590 nvidia drivers: 343.22 one ...
3
votes
1answer
357 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
1answer
165 views

How to check file-level write performance?

In a very similar question, the accepted answer suggests to do: dd if=/dev/zero of=/tmp/output bs=8k count=10k; to measure the write speed of a hard disk. My tests were inconclusive. I have an ...
0
votes
1answer
276 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 ...
1
vote
2answers
995 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 ...
3
votes
1answer
2k views

VMware Player 7 performance on Ubuntu 14.0.4

My dual-boot laptop (Windows 8.1 + Ubuntu 14.04) I installed, on both Windows and Ubuntu, VMware Player 7.0.0. In other words: Same exact hardware (16GB RAM!) Same VMware Player version (7.0.0) ...
-1
votes
1answer
362 views

ubuntu 14.04 server memory problems

I'm getting this weird memory problem that causes massive slow down on any programs but doesnt want to go away till reboot. so when i do htop the memory usage shows half my ram is used but if i do ...
-1
votes
1answer
79 views

apt-get update starts 'by itself' and never stops running

I noticed my laptop becomes really slow from time to time. I think, but I'm not 100% sure, that this only happens after i plug the power in, and it started happening several days ago. Then I also ...
0
votes
1answer
122 views

Logical sector size for physical sector size of 4096

With many new hard drive disks the physical sector size is 4096. Would it be possible to make the system use a logical sector size of the same size, rather than the default logical sector size of ...