Tuning up an Ultrix system? HELP
George Robbins
grr at cbmvax.commodore.com
Sat Feb 17 01:12:27 AEST 1990
In article <5383 at okstate.UUCP> klarich at okstate.UUCP (Terry Klarich) writes:
>
> I have been asked to improve the proformance of our Ultrix machine. It is
> a 8350 running Ultrix 3.1. How would one use the information given by vmstat
> and iostat to decide what kernell parameters to change to get the best
> proformance given our situation. If anyone can help with this problem, I
> would like to hear from you.
In almost all respects tuning an Ultrix system and interpreting the output
of these programs is the same as any other BSD derived operating system.
You might find asking over in comp.unix.wizards more profitable.
Generalities:
uptime: elevated load index buy more cpu
vmstat -s: lots of page out / swap out buy more core
iostat: uneven loading rearrange partitions
Generally, books won't get you too far when it comes to tuning, it's more a
matter of looking and learning on your own system (the game being different
between trying to improve response of a moderatly loaded system and trying
to keep a mega-loaded student timeshareing machine from expiring). I would
expect that there would have been a number of papers / sessions at Usenix
over the years, but don't have any references...
--
George Robbins - now working for, uucp: {uunet|pyramid|rutgers}!cbmvax!grr
but no way officially representing: domain: grr at cbmvax.commodore.com
Commodore, Engineering Department phone: 215-431-9349 (only by moonlite)
More information about the Comp.unix.ultrix
mailing list