I've Googled about but not found anything to help although I'm sure
there must be a relevant HowTo/FAQ somewhere, so all pointers welcome!
My system is a dual Xeon box, running Sarge with
[EMAIL PROTECTED]:~/.personal$ uname -a
Linux ratty 2.4.27-1-686-smp #1 SMP Wed Dec 1 19:50:17 JST 2004 i686
GNU/Linux
and 1 250Gb disk partitioned thus
[EMAIL PROTECTED]:~/.personal$ df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/hde2 9614148 287684 8838088 4% /
tmpfs 1034796 0 1034796 0% /dev/shm
/dev/hde8 1829159 19364 1712202 2% /boot
/dev/hde11 119765712 64309488 49372412 57% /home
/dev/hde6 9614116 438828 8686916 5% /tmp
/dev/hde5 9614116 1950684 7175060 22% /usr
/dev/hde7 19228276 16042208 2209320 88% /usr/local
/dev/hde3 9614148 1673012 7452760 19% /var
[EMAIL PROTECTED]:~/.personal$ mount
/dev/hde2 on / type ext3 (rw,errors=remount-ro)
proc on /proc type proc (rw)
devpts on /dev/pts type devpts (rw,gid=5,mode=620)
tmpfs on /dev/shm type tmpfs (rw)
/dev/hde8 on /boot type ext3 (rw)
/dev/hde11 on /home type ext3 (rw)
/dev/hde6 on /tmp type ext3 (rw)
/dev/hde5 on /usr type ext3 (rw)
/dev/hde7 on /usr/local type ext3 (rw)
/dev/hde3 on /var type ext3 (rw)
usbfs on /proc/bus/usb type usbfs (rw)
and the syslog shows each with
May 4 19:32:15 localhost kernel: kjournald starting. Commit interval
5 seconds
May 4 19:32:15 localhost kernel: EXT3 FS 2.4-0.9.19, 19 August 2002 on
ide2(33,3), internal journal
May 4 19:32:15 localhost kernel: EXT3-fs: mounted filesystem with
ordered data mode.
I was wondering if this 'default' setting is optimal, particularly
for /home -- I frequently (circa daily) run jobs (Fortran code) each
that creates files of a few Gb per run.
It may or may not be connected but I have noticed, albeit only recently
but that may not exclude it always happening, that `top` gives "system"
from 10-40% when such jobs are running (or big data files in Mozilla or
OpenOffice-Spreadsheet).
If you need more info, please let me know, and if you have references
for how to tune this definitely let me know!
--
Michael Bane
Atmospheric Physics Group
University of Manchester
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