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How to avoid PackageKit consuming lots of CPU and RAM on Kubuntu 14.04

By Khalid on 2014/08/22 - 13:41, last updated 2014/08/22 - 13:41

Contents: 
Linux
Tags: 
Ubuntu
CPU
Kubuntu
PackageKit
RAM
memory

After upgrading my laptop from Kubuntu 12.04 LTS to 14.04 LTS, I noticed that the laptop runs hotter than usual.

Upon investigating further, I found that PackageKit was the process that was consuming lots of CPU and memory.

For example, here is a sample output from htop, showing packagekitd maxing out one core, and eating up almost a quarter of the laptop's RAM:

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High CPU usage on Sony Xperia Arc with Android Ice Cream Sandwich 4.0

By Khalid on 2012/08/23 - 14:07, last updated 2012/08/23 - 14:07

Contents: 
Technology
Tags: 
Android
Sony
Xperia
CPU
Gallery
Media
top

After I upgraded my Sony Ericsson Xperia Arc from 2.3.4 (GingerBread) to 4.0.4 (Ice Cream Sandwich), I noticed that it was laggy and slow.

With Gingerbread 2.3.4, and ADW Launcher as the home screen, everything was fine.

Upon using the "top" command, either from ConnectBot, or from adb via the USB case, I noticed that com.google.media and com.google.acore are eating up most of the CPU time.

You can also go into Settings Developer Options and turn on the CPU overlay which will tell you the top processes eating up CPU.

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Solutions to Firefox using too much CPU on Ubuntu Linux

By Khalid on 2012/07/23 - 00:51, last updated 2022/11/16 - 15:14

Contents: 
Linux
Internet
Tags: 
Ubuntu
Firefox
CPU
oprofile

Ubuntu decided several months ago to forgo its policy of sticking with Firefox 3.6, and go with the latest versions from Mozilla.

With Firefox 13 running on Ubuntu 10.04, I had good performance, and did not suffer from this problem that I am about to describe. The only issue I faced was excessive disk activity and that was fixed by disabling the FireBug extension. Other than that, Firefox was speedy and responsive.

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