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Old 03-13-2005, 06:15 AM   #1
kornerr
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Tell me tips about increasing system speed


Tell me tips about increasing system speed.
Here's a useful thread "Linux is slower than Windows". I've read it and found out many useful cmds to check/configure performance (which I wasn't aware of). So now I ask you about all possible commands to check/configure system performance. About what services are necessary. About how to turn off unnecessary KDE things (and what are they). About EVERYTHING that can help the system to run faster... and work/look MUCH better than ms' one. About HOW TO turn off useless processes. Which of them are really useless?
So every help is appreciated, every link, every manual, etc.
Thanks.

PS: I don't say my PC works slow, but... I want it to work faster... who doesn't want?
Celeron2GHz_256MB_37,2GB_GF4MX
 
Old 03-13-2005, 08:13 AM   #2
darkleaf
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How about not using KDE and go for a light weight window manager? I'm using fluxbox and it's a lot faster than kde. So you haven't got any unnecessary stuff running in "top" or "ps -aux"?
 
Old 03-13-2005, 09:56 AM   #3
kornerr
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And what about convinient file manager? Apps' shortcuts? I mean fluxbox is for "transparent console", for many consoles within 1 screen. But I talk about Desktop Environment. BTW, KDE apps load slower in fluxbox than in KDE...
But I'm asking about not only KDE. About what processes are useless and how can I turn them off. And so on...
Thanks.
 
Old 03-13-2005, 10:03 AM   #4
kornerr
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BTW, how to check Ext3/ReiserFS for errors? Is there smth like ScanDisk? And how to defragment Ext/Reiser? I heard many times that Linux partitions need no defragment, but don't they fragment AT ALL?
 
Old 03-14-2005, 03:23 AM   #5
kornerr
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Thanks for no replies
 
Old 03-14-2005, 08:11 AM   #6
Oliv'
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Quote:
how to check Ext3/ReiserFS for errors? Is there smth like ScanDisk? And how to defragment Ext/Reiser? I heard many times that Linux partitions need no defragment, but don't they fragment AT ALL?
use fsck to check partition integrity (you need to umount your partition before).
Linux partition fragment but it's insignificant compare to windows (I think that may be 2 or 3%), so you needn't to defragment it.
Note that they nearly don't fragment due to the way Linux manages disk space rw operations.
 
Old 03-14-2005, 08:21 AM   #7
halo14
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I think you need a little more experience with Linux before you start trying to tweak your system for performance...

To increase performance.. turn off unneeded services... i.e. - Apache, sendmail, etc.. KDE has a desktop settings wizard which will allow to pick and choose what eyecandy effect you want... also.. KDE 3.4 is faster than 3.2, 3.3, etc.. because of a restructuring in Qt.. I run Arch.. and it's quite fast.. I have it on 3 different machines.. the oldest being an old E-Machine (466MHz Celeron, 256 MB PC100 RAM, 60 GB HDD, ATI Rage 128) and it runs KDE 3.4 MUCH faster than I thought it would.. I'm still setting it up, and will being giving it to my 6-year-old daughter to use for drawing, games, etc.. but the speed difference between that box and my main desktop (Athlon XP 2600+, 512 MB PC2700, 80 GB/200 GB HDDs, geforce fx 5200) are surprisingly minimal except when loading firefox or something like that..

As for a filesystem checker... you've never heard of 'fsck'????

As for a defragmenter.... no.... no there isn't... it's not necessary... Linux filesystems are more intelligent than that...

I siggest you learn more about the basics and then you will understand how to optimize your system for speed...
 
Old 03-14-2005, 09:30 AM   #8
kornerr
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Thanks, Oliv' and halo14...
 
Old 03-14-2005, 10:37 PM   #9
penguinlnx
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Drastic Speed Enhancements Cheap

This is an easy question on x86 / Windows machines:
Other than defragmenting and (critically important) cleaning up the boot registry, (Windows)
you add sh*tloads of high speed RAM, throw in a faster processor, and the big cheap step:

USE A RAID CARD. this was the single most significant change I made to my machine in 3 years.

TWO INCREDIBLE BENEFITS:

(!1) Your machine becomes almost bulletproof: If your Harddrive just decides to UP AND DIE,
(very common in the past, when you leave your machine on 24/7 and defrag it 1000 times)
INSTEAD of LOSING EVERYTHING and having to reinstall your OS, DRIVERS, Apps etc,
(call it two to five days of your time, and probably much irreplacably lost)
you get a polite note from the RAID CARD: "excuse me: one of your HDisks just died.
Please continue working as if nothing happened, but next week when you get a chance,
replace the broken Hard drive. I will automatically copy the other drive over in a 1/2 hour."

(2) Your machine nearly doubles its speed for disk intensive operations:
All DISK READS are TWO TIMES FASTER. Since most apps and operations average more reads
than writes, this is a huge increase in both speed and reliability right where it counts.

My only question is, How can I use either of my two RAID cards with LINUX?
Has anyone installed RAID on a Linux system?
 
Old 03-15-2005, 06:57 AM   #10
IBall
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Perhaps for a desktop environment you could try XFCE.

It is kind of a cross between a Window Manager and Desktop environment, and runs alot faster than KDE or Gnome. It also has a good file manager.

--Ian
 
Old 03-15-2005, 07:11 AM   #11
Oliv'
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Re: Drastic Speed Enhancements Cheap

Quote:
Originally posted by penguinlnx

My only question is, How can I use either of my two RAID cards with LINUX?
Has anyone installed RAID on a Linux system?
http://www.tldp.org/HOWTO/Software-RAID-HOWTO.html
 
Old 03-15-2005, 07:46 AM   #12
halo14
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Re: Drastic Speed Enhancements Cheap

Quote:
Originally posted by penguinlnx
This is an easy question on x86 / Windows machines:
Other than defragmenting and (critically important) cleaning up the boot registry, (Windows)
you add sh*tloads of high speed RAM, throw in a faster processor, and the big cheap step:

USE A RAID CARD. this was the single most significant change I made to my machine in 3 years.

TWO INCREDIBLE BENEFITS:

(!1) Your machine becomes almost bulletproof: If your Harddrive just decides to UP AND DIE,
(very common in the past, when you leave your machine on 24/7 and defrag it 1000 times)
INSTEAD of LOSING EVERYTHING and having to reinstall your OS, DRIVERS, Apps etc,
(call it two to five days of your time, and probably much irreplacably lost)
you get a polite note from the RAID CARD: "excuse me: one of your HDisks just died.
Please continue working as if nothing happened, but next week when you get a chance,
replace the broken Hard drive. I will automatically copy the other drive over in a 1/2 hour."

(2) Your machine nearly doubles its speed for disk intensive operations:
All DISK READS are TWO TIMES FASTER. Since most apps and operations average more reads
than writes, this is a huge increase in both speed and reliability right where it counts.

My only question is, How can I use either of my two RAID cards with LINUX?
Has anyone installed RAID on a Linux system?
I think you're on dope....

RAID-0 (Stripe) is indeed, much faster than a single disk... however... RAID-1(mirror) is definitely NOT faster than a single drive.. apparently you are using RAID-1 because you are saying that it's backed up... a RAID stripe gives awesome performance, but if one of the disks go down... the whole system goes down...

RAM would indeed be the best way to upgrade a older PC... I upgraded a 466MHz Celeron from 128 MB to 256 MB of PC100 and the difference was astonishing... It runs KDE 3.4 about 70% as fast as my Athlon XP 2600+ desktop...
 
Old 03-15-2005, 10:23 AM   #13
Skazi
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Re: Re: Drastic Speed Enhancements Cheap

Quote:
Originally posted by halo14
I think you're on dope....

RAM would indeed be the best way to upgrade a older PC... I upgraded a 466MHz Celeron from 128 MB to 256 MB of PC100 and the difference was astonishing... It runs KDE 3.4 about 70% as fast as my Athlon XP 2600+ desktop...
I think you need some dope.

You shouldn't make a blanket statement like "RAM would indeed be the best way to upgrade a older PC". It depends on what the maxed out resource on that machine is. Could be the hard drive is going south, could be insufficient graphics horsepower. But, yes, most of the time, RAM makes the biggest impact (reduces swapping processor memory to disk).
 
Old 03-15-2005, 04:37 PM   #14
Deeze
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Re: Re: Drastic Speed Enhancements Cheap

Quote:
Originally posted by halo14
I think you're on dope....

RAID-0 (Stripe) is indeed, much faster than a single disk... however... RAID-1(mirror) is definitely NOT faster than a single drive.. apparently you are using RAID-1 because you are saying that it's backed up... a RAID stripe gives awesome performance, but if one of the disks go down... the whole system goes down...

RAM would indeed be the best way to upgrade a older PC... I upgraded a 466MHz Celeron from 128 MB to 256 MB of PC100 and the difference was astonishing... It runs KDE 3.4 about 70% as fast as my Athlon XP 2600+ desktop...
You got striped and mirrored, but you forgot parity. Raid 5 (parity) gives you good performance plus data security.

Quote:
Originally posted by Skazi
I think you need some dope.
Hmm, is it getting that time of the day already? Yep, pretty close .

Quote:
Originally posted by Skazi
You shouldn't make a blanket statement like "RAM would indeed be the best way to upgrade a older PC". It depends on what the maxed out resource on that machine is. Could be the hard drive is going south, could be insufficient graphics horsepower. But, yes, most of the time, RAM makes the biggest impact (reduces swapping processor memory to disk).

I also agree that, on a very old system you are most likely to get the best results from a ram upgrade. If the hard drive is going south, that is a repair, not an upgrade, and there's not very much that is runnable on that hardware that will fill the video pipe before it runs into the processor and i/o bus wall, so I think that blanket statement is likely accurate 90% of the time (and in my own experience has worked 100% bar actual failing components).
 
Old 03-15-2005, 05:12 PM   #15
halo14
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I didn't forget RAID-5. I simply didn't include it as it is not able to be implemented under IDE RAID configurations because it requires 3 or more drives
 
  


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