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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10
votes
6answers
9k views

Will running dual monitors have any significant impact on system speed?

Will setting up dual monitors on a decent-but-not-too-powerful machine significantly slow down my system? For specifics to my system, this is a 2GHz Intel Dual-core laptop with 4GB RAM and a decent ...
5
votes
1answer
387 views

Is there a way to force a specific file to exist in RAM only?

I like this suggestion of mounting a tmpfs at /var/log in order to reduce disk writes. Is there any way to do something similar for just a single file such as ~/.xsession-errors? My incentive for ...
1
vote
0answers
670 views

How to keep Ubuntu in max performance? [duplicate]

Possible Duplicate: How can I improve overall system performance? I try to use the CPU Frequency Monitor in Performance but every time I logout, restar, turn off the machine the ...
0
votes
3answers
928 views

What to do to improve the speed of a laptop with Ubuntu? [duplicate]

Possible Duplicate: How can I improve overall system performance? I'm looking for some tricks to improve the performance of my laptop. I'm using Compiz, which makes my Ubuntu really nice ...
4
votes
2answers
1k views

Why to use ordinary kernel if there's realtime one?

What are benefits of an ordinary Ubuntu kernel compared to realtime one? What are realtime kernel's tradeoffs?
13
votes
2answers
917 views

Why is mainstream Ubuntu still i386-compiled?

I pretty much believe (am I wrong?) that over 90% (if not over 99.9%) of Ubuntu 10.x i386 installations are run on i686 computers. So why is Ubuntu still not i686-optimized? The only case I can ...
2
votes
2answers
285 views

Why does an Opera widget (analog clock) use so much CPU? [closed]

When I was using Arch Linux with KDE 4.5 and Opera analogue clock widget, it was much less CPU-consuming. Now, on Ubuntu 10.10 (and I use the same proper graphics driver) it consumes mean of 15% of ...
5
votes
6answers
222 views

I am using Edgy Eft (6.10). If I switch to 10.04, how will it affect performance?

On my laptop (hw info below) I currently run Ubuntu 6.10 (Edgy Eft). The computer has been my work computer since 2006. I am considering doing a reinstall to get something more recent. What can I ...
5
votes
4answers
746 views

How can I empty the trash without first opening it?

The only way I've seen how to empty the trash is to use the Empty Trash button that is displayed after choosing Go | Trash in Nautilus. If there are too many items in the trash it can take a long time ...
5
votes
4answers
2k views

ATI proprietary driver performance?

I'm about to (at least, want to..) buy a laptop with an ATI Radeon HD 4250, and I haven't a good opinion on ATI's drivers. How is the actual performance of the open/proprietary driver (currently I ...
21
votes
4answers
10k views

What are the common maintenance tasks?

When i was using windows, i used to run defrags, ccleaner and revouninstaller once a month to keep the system and the registry clean. I know ubuntu (and all linux distro) has a different system ...
14
votes
2answers
15k views

How do I monitor disk activity on a specific drive?

I'd like to watch disk activity on my USB external hard drive. I know that I can use iotop to monitor disk I/O for each running process, but is there a way to get a measure per filesystem?
5
votes
6answers
1k views

Is there a WINE version of Flash as a plugin to Firefox or Chrome?

I've seen complaints about flash performance. Would it be possible to use WINE as a plugin to firefox in order to get better performance out of flash? (Hopefully WINE would utilize some sort of ...
1
vote
2answers
848 views

How can I optimise a server for a Low Latency application [closed]

I have an application that is latency sensitive. Although I care about throughput, extreme low latency is more important to me. Please suggest how I can optimise my server to achieve the lowest ...
238
votes
37answers
156k 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 ...
48
votes
2answers
42k views

Is it worth to tune Ext4 with noatime?

With previous versions of Ubuntu (using Ext3 filesystem) I used to tune it for better performance with noticeable results by setting the noatime parameter in /etc/fstab. Is it still worth it to do ...
8
votes
6answers
3k views

Firefox Slow Performance

I have to say, firefox on ubuntu's performance is attrocious. Very quickly it gets into 100% cpu use (thank god I have multiple cores) and hundreds of megs of ram. Even closing tabs does not help the ...
44
votes
10answers
24k views

How can I strip down Ubuntu?

I'm trying to fix what I consider a bloated install of Ubuntu. When I install Ubuntu on a machine, I get things that I don't want - web browsers, office applications, media players, accessibility ...
2
votes
2answers
2k views

Occasional excessive IOWait freezes computer - how to diagnose?

I have a very slow SSD on an eeepc900A, and it occasionally freezes the OS (even the mouse pointer) with system monitor showing excessive IOWait. How can I diagnose what is causing this and should ...
23
votes
5answers
7k views

How can I find out if a process is CPU, Memory or Disk-bound?

How can I find out if a process is bound to CPU, Memory or Disk?
111
votes
13answers
80k views

How do I optimize the OS for SSDs?

What steps should be taken before/during/after installation of Ubuntu on a Solid State Drive to optimize performance and ensure maximum durability of the drive?
54
votes
9answers
59k views

How to empty swap if there is free RAM?

When I open a RAM-intensive app (VirtualBox set at 2GB of RAM), some swap space is generally used, depending on what else I have open at the time. However, when I quit that last application, the 2GB ...
27
votes
13answers
10k views

Why are Flash applications so sluggish/crashy?

I've noticed that Flash applications tend to be more sluggish under Ubuntu than they do under Windows on the same machine. This is particularly noticeable when watching HD video or playing ...
4
votes
3answers
2k views

Netbook Edition battery life - Ubuntu vs. Kubuntu?

I've been running UNR on my eee 1000 pretty much since it came out over a year ago (I was using easy-peasy before that), but I'm curious about the new Kubuntu netbook edition. Ultimately, KDE is ...
12
votes
5answers
3k views

What is the performance loss if you run an ubuntu desktop edition for a server machine?

Hello we have installed an ubuntu desktop edition on our dev server. I was wondering if there is any noticeable performance loss compared to the server edition.