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Operating Systems Linux How do I boost the Linux performace Post 302255185 by otheus on Thursday 6th of November 2008 03:50:24 AM
Old 11-06-2008
Quote:
Originally Posted by jayfriend
Thank you Otheus!

My PC is too slow even at boot up for some of the logins, it takes around 5 to 10 min to take me to the desktop after I enter the username and password.

I tested it without turning ON the VMware, but the performance hasn't changed much. Is it because I am using AMD processor. As far as I know it shouldn't be problem, please correct me if I am wrong.
For sure it's not the processor (Look at your vmstat; see the column "id"? that means what percent of the time (per second) that your CPU is doing nothing (idle).) I also suspect it's not memory since you disabled VMware. Therefore, I suspect it's (a) slow or misconfigured hard drive or (b) bad hardware on the bus causing too many interrupts.

Let's start with the hard drive.
How much free space do you have on your drive? Show us the output of "df - k" please.

Then Read this : Tuning IDE Hard Disk Performance

If you have a 5400 RPM drive and it's using a 33 MHz bus, then it's going to be slow.
 

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HD(4)							     Linux Programmer's Manual							     HD(4)

NAME
hd - MFM/IDE hard disk devices DESCRIPTION
The hd* devices are block devices to access MFM/IDE hard disk drives in raw mode. The master drive on the primary IDE controller (major device number 3) is hda; the slave drive is hdb. The master drive of the second controller (major device number 22) is hdc and the slave hdd. General IDE block device names have the form hdX, or hdXP, where X is a letter denoting the physical drive, and P is a number denoting the partition on that physical drive. The first form, hdX, is used to address the whole drive. Partition numbers are assigned in the order the partitions are discovered, and only nonempty, nonextended partitions get a number. However, partition numbers 1-4 are given to the four partitions described in the MBR (the "primary" partitions), regardless of whether they are unused or extended. Thus, the first logi- cal partition will be hdX5. Both DOS-type partitioning and BSD-disklabel partitioning are supported. You can have at most 63 partitions on an IDE disk. For example, /dev/hda refers to all of the first IDE drive in the system; and /dev/hdb3 refers to the third DOS "primary" partition on the second one. They are typically created by: mknod -m 660 /dev/hda b 3 0 mknod -m 660 /dev/hda1 b 3 1 mknod -m 660 /dev/hda2 b 3 2 ... mknod -m 660 /dev/hda8 b 3 8 mknod -m 660 /dev/hdb b 3 64 mknod -m 660 /dev/hdb1 b 3 65 mknod -m 660 /dev/hdb2 b 3 66 ... mknod -m 660 /dev/hdb8 b 3 72 chown root:disk /dev/hd* FILES
/dev/hd* SEE ALSO
chown(1), mknod(1), sd(4), mount(8) COLOPHON
This page is part of release 3.53 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/. Linux 1992-12-17 HD(4)
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