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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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
836 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 ...
234
votes
37answers
149k 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
41k 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 ...
43
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?
110
votes
13answers
79k 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?
51
votes
9answers
55k 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.