[rrd-users] Re: increase performance

[Serge Maandag]

Consider using the perl module Net:Snmp. That offers you the possibility
to get multiple values at a time.
Multiple values from a single host that is, you'll still have to setup a
connection per host. But that goes for snmpwalk too.

I also think there is a good chance it will be faster than calling the
external snmpget program.

Serge.

-----Original Message-----
From: Peter Kassies [mailto:p.kassies at ptt-post.nl]
Sent: woensdag 22 augustus 2001 12:02
To: RRD Users (E-mail)
Cc: Raymond Vermeer
Subject: [rrd-users] increase performance



Hello all,

We are using RRD to monitor routers and solaris machines (via UCD-SNMP)
it
works great.
We have written a few perl scripts to read the snmp variables into RRD.
The Perl scripts are very simple, for example:

$CpuIdle = join('',`$snmp_dir/snmpget -O s -p $port $ipaddress
xpasswordx
enterprises.ucd
avis.systemStats.ssCpuIdle.0`);


Problem:
Currently monitoring about 50 hosts and the limited server we use (a 8
year
old Sun Netra-i) has an avg load of 3. And is nearly passing its 5
minute
round time to read the information from the routers and server.

Question:
I want to increase the speed of reading out the systems. Now I'm not the
world greatest coder, but I think a lot of speed can be gained by NOT
opening a seperate socket for every snmpcall. I can do this by using
snmpwalk, storing the info in an temporary array and taking some of that
information into RRD.

Is this a good idea?

Does anybody else have any ideas to increase the performance?

Thanks,

Peter Kassies
ps I don't want to use cricket, had a look at it, but its to complicated
for
the average maintenance man on our site.


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