Understand that the thresholds are dependent on the individual systems. I
found what I was looking for, after numerouse attempts at numerous search
engines, at:
http://www.sunworld.com/sunworldonline/swol-02-1998/swol-02-perf-2.html
Which told me what each varaible from the rstat translated to. (i.e
avenrun_0 which when divided by 256 gives you the Avg load in the past
minute ). ISo now the thresholds we currently set on other tools such as
mwatch can be set in tkined. My goal here is to condense all our current
monitoring tools into one.
As I am new to TK it may be a while before it is "very configurable" right
now I am just trying to make it "simply functional" for my current work, the
goal of course will be a module that can be usefull to others as well.
Thanks again.
----Original Message Follows----
From: Doug Hughes <Doug.Hughes@Eng.Auburn.EDU>
To: tkined@ibr.cs.tu-bs.de
Subject: Re: [tkined] SUN RPC
Date: Tue, 18 Apr 2000 08:32:24 -0500 (CDT)
>I am attempting to write a little tool that would allow me to monitor
>current systems via RPC calls and when certain thresholds are exceeded
>actions are taken. I am looking for information on what is returned by the
>"sunrpc stat $id" call. I have the output to diplay in window, but am
having
>trouble deciphering all the values, or what the threshold should be set
at.
>Can any point me to some info or examples? Thanks.
>
Threshholds will likely be system dependent. paging and swapping
are very dependent on the function of the system in question.
time shared systems may have a high degree of paging, or systems
running very large memory intensive jobs (like finite element
analysis). CPU systems will spend a lot of time in user.
Web server may spend more time in system, and NFS servers may
spend more time in I/O wait.
Whatever you do, it needs to be very configurable.
There are some old Sun Performance tuning white papers and
books that discuss rstat. Newer books tend to focus on more
fine grained metrics, and rstat is very coarse grained.
If you can find some old performance tuning papers for
something like Solaris 2.2 you might find a good discussion
there.
You might be able to find papers at Sun, or one of the public
sun sites like opcom.sun.ca or sunsite.unc.edu
You might also look at perfmeter as it is displaying exactly
the same information that you gather using sunrpc stat.
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