Thank you to all who replied, several of you a second time, too!
The unanimous reply was to use SAR, the unix tool:
Are you using sar? If not, as root do a "crontab -e sys" and
uncomment the entries that are already there. That'll start the data
collection (in /var/adm/sa/sa99 where "99" is the day of the month).
at the man page for sar to see all the options for viewing the data, but
the main ones are "sar -u" for CPU utilization, "sar -q" for run queue
lengths, "sar -g" for memory, and "sar -d" for disks.
Other programs which can also help you monitor your systems performance
sar (mentioned above; comes with solaris)
top (available at www.sunfreeware.com)
the SE toolkit (available at www.sunworld.com)
ProcTool (from sun, also available at www.sunfreeware.com)
vmstat (comes with solaris)
iostat (comes with solaris)
And there was a suggest that Patrol from BMC software <http://www.bmc.com/>
also do what I want, but it is not free, so I am looking into the freeware
Even though I am using a perl store program, the perl program is not CGI, so
help me, but, if you are using perl and cgi then you should look into
apache that will greatly increase your performance.
Thanks again for all the timely help!!!
> -----Original Message-----
> From: firstname.lastname@example.org
> [mailto:email@example.com]On Behalf Of Val
> Sent: Thursday, August 17, 2000 11:02 AM
> To: firstname.lastname@example.org
> Subject: Solaris / E250 performance and monitoring ( & tuning)
> Hello Sun Managers,
> I have a problem. We are running some custom written/modified
> perl "stores"
> on the web, using apache as a web server.
> We are getting ready to implement a lot more stores in a wider market, and
> one of our consultants is worried about the scalability of our
> e250 running
> this perl store-software, saying that we are running out of memory, file
> descriptors, etc, and that having more than 10 child processes of
> this perl
> program will not work. This consultant suggesting buying several Linux
> (i386) boxes to work as a "server farm". However, we are too close to
> implementing our next round of stores, and we need to make it
> work with our
> Sun e250, which should be able to scale nicely...
> I very much want to find out exactly how much of our machine's overall
> "power" is being used over the day, so I am looking for software
> of any type
> that I can run 24 hours/day for the next few days and see how much
> memory/cpu/disk/bus/whatever is being used, at what times.
> I am temped to write a script (perl/sh) that runs vmstat and/or iostat and
> logs its information to a text file that I can then analyze the
> next couple
> of days, but I don't want to re-invent the wheel, and I need answers
> Does anyone know of any better solutions / products / scripts / anything
> that is out there that I could put to use asap to monitor my E-250?
> My configuration is :
> System Configuration: sun4u Sun E-250 (2 X UltraSPARC-II 400MHz cpu)
> System clock frequency: 100 MHz
> Memory size: 512 Megabytes
> Disks are configured using solstice online disk suite, mirroring.
> After I manage to see if and where any bottlenecks are occurring, I then
> need to turn whatever parameters I can.
> Any help at all would be much appreciated! I will summarize.
> Val Luck
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