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Old 03-19-2012, 02:32 AM   #1
shaahid13
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how to make KDE less memory hog?


Guys,
Kindly help me out by giving your suggestions in making KDE less memory resource hog (processor and RAM)?

Thanks in advance
 
Old 03-19-2012, 03:19 AM   #2
craigevil
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Disable the Desktop effects and the file indexing apps in SystemSettings. Not much else you can do, other than disable things under Services and do not use a lot of widgets.


On my laptop atm:
Mem~624.0/2025

That is in kde4, with Firefox with 30 extensions and 6 tabs open, Xchat 2 servers and 16 channels, vidalia/tor+polipo, wicd-client, yakuake 2 tabs, choqok, klipper, kmix all running.
 
Old 03-19-2012, 05:05 AM   #3
ukiuki
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What is your hardware specifications ? Like cpu, memory, etc. If you don't have fast video card and a lot RAM then it is better to have some lightweight Window Manager, you can find info about them here. KDE(Desktop Environment) is heavy, now if you want speed you will love the Window Managers.

Regards
 
Old 03-26-2012, 08:35 AM   #4
shaahid13
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kde super stable and super fast with kubuntu low fat settings

Guys, i installed the kubuntu low fat settings and it has made a world of difference. kde is super fast and much stable. i have only 1gb RAM and processor 2.2 ghz, and kde now consumes only 200-400 mb and less than 10% on both processors.....do post any new suggestions too.
 
Old 03-26-2012, 09:13 AM   #5
craigevil
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Really wish people would stop saying you can't use KDE without having a 'super computer'.

my laptop is ancient, has no 3d support and a slow cpu, and guess what KDE4 flies. No lag, no sluggishness, no crashing, apps open instantly.

Thinkpad R40 running KDE 4.7.4 QT 4.8 kernel 3.2.12
Code:
System:    Host: debian Kernel: 3.2.0-2-486 i686 (32 bit) Desktop: KDE 4.7.4 Distro: Debian GNU/Linux wheezy/sid
Machine:   Mobo: IBM model: 27223YU Bios: IBM version: 1PET41WW (1.09 ) date: 03/03/2003
CPU:       Single core Intel Pentium M (-UP-) cache: 1024 KB flags: (sse sse2) clocked at 600.00 MHz 
Graphics:  Card: ATI Radeon Mobility M7 LW [Radeon Mobility 7500] X.Org: 1.11.4 driver: radeon Resolution: 1024x768@60.0hz 
           GLX Renderer: Mesa DRI R100 (RV200 4C57) AGP 4x x86/MMX/SSE2 TCL GLX Version: 1.3 Mesa 7.11.2
Audio:     Card: Intel 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller driver: snd_intel8x0
           Sound: Advanced Linux Sound Architecture ver: 1.0.24
Network:   Card-1: Intel 82801DB PRO/100 VE (MOB) Ethernet Controller driver: e100 
           IF: eth0 state: down mac: filtered
           Card-2: Intel PRO/Wireless LAN 2100 3B Mini PCI Adapter driver: ipw2100 
           IF: eth1 state: up mac: filtered
Drives:    HDD Total Size: 17.2GB (64.5% used) 1: /dev/sda IC25N020ATCS04 17.2GB 
Partition: ID: / size: 16G used: 11G (72%) fs: ext3 ID: /boot size: 228M used: 37M (18%) fs: ext2 
           ID: swap-1 size: 0.51GB used: 0.00GB (0%) fs: swap 
Sensors:   System Temperatures: cpu: 43.0C mobo: 41.0C 
           Fan Speeds (in rpm): cpu: N/A fan-1: 0                                                                            
Info:      Processes: 127 Uptime: 1 day Memory: 623.5/2025.7MB Client: Shell inxi: 1.7.30

Last edited by craigevil; 03-26-2012 at 09:14 AM.
 
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Old 03-26-2012, 09:24 AM   #6
TroN-0074
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Quote:
Originally Posted by shaahid13 View Post
less than 10% on both processors.....
You never said you had two processors in your computer. I wont consider that a low power computer.
There is people still using Pentium III processors out there, that might be low power.
 
Old 03-26-2012, 09:31 AM   #7
shaahid13
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all my previous experiences with kde were flops.....the system was making a hell lot of noise and it was as hot as a hot plate (experiences: sabayon 4,5, open suse, netrunner kde)....but kubuntu with low fat settings is real good....i ve faced the same problems with my earlier amd mobile athlon 1.2 ghz desktop with 256mb ram...mandriva 2006, gOS all stuttered...

the present kde setup i have is way better than lxde linux mint 12.........
 
Old 03-26-2012, 11:44 AM   #8
i92guboj
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kde4 will work without much lag, that is, provided you don't use desktop effects and disable compositing altogether. Else, it will lag. The delay when hitting the menu (just a random example) will be noticeable even on a fast computer, even if it's by a small lapse, and that feels like something is wrong when you have a modern machine that would fly with anything else.

I am a kde fan so please, don't try to convince me how good kde is. I know its virtues but I am not blind.

You might be interested in raptor-qt, which is an alternate qt desktop. It's light and works ok with kwin and most kde pieces with almost no additional setup. It even handles policykit nowadays, which is good for removable devices and sessions handling. It's, basically, a way to get kde without plasma (which I never had an use for).
 
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Old 03-26-2012, 11:58 AM   #9
shaahid13
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kde plasma has no use for me too

KDE plasma doesn't provide anything great...apart from the widgets...got to try razor-qt....hope it is zippy fast
 
Old 03-26-2012, 05:39 PM   #10
i92guboj
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Bear in mind it has still some rough edges, since it's in its infancy. But it integrates well enough and seems promising.

It defaults to kwin as window manager, which means that most kde key bindings will still work. You can also configure it to start klipper, kmix, dropbox or whatever tray tools you use. The only thing I miss from kde is the device notification system, but you can manage that in dolphin anyway.

Of course, you can as well use it with any other wm of your choice.
 
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Old 03-27-2012, 02:37 AM   #11
shaahid13
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Thanks i92guboj you ve been of great help..... may you become a champion in the land of the penguins
 
  


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