Is Embedded Perl + Nagios::Plugin worth it?

Larry Low llow at telesphere.com
Tue Feb 5 21:12:50 CET 2008


I currently use ePN for all my active checks (though most are only every 60
minutes since I rely on passive means).  The only thing I run outside of ePN
is my notification script as I haven't had the urge or need to rewrite it to
load under the ePN.  I don't use the Nagios::Plugin CPAN module though, just
the utils.pm.

I have seen many reports of memory leaks but I've yet to see any on this or
any earlier deployment.

Time Frame	Services Checked
<= 1 minute:	613 (10.0%)
<= 5 minutes:	1702 (27.8%)
<= 15 minutes:	1878 (30.7%)
<= 1 hour:	4281 (70.0%)
Since program start:  	4281 (70.0%)

----
Larry Low
4150 N Drinkwater Blvd., 5th Floor
Scottsdale, AZ  85251
Office: 480.385.7045
E-mail: llow at telesphere.com'

Telesphere Networks, Inc


> -----Original Message-----
> From: nagios-users-bounces at lists.sourceforge.net [mailto:nagios-users-
> bounces at lists.sourceforge.net] On Behalf Of Max
> Sent: Tuesday, February 05, 2008 1:02 PM
> To: nagios-users at lists.sourceforge.net
> Subject: Re: [Nagios-users] Is Embedded Perl + Nagios::Plugin worth it?
> 
> Hi Jonathan,
> 
> Yes and yes.  You will notice a huge decrease in load if you move to
> ePN, just make sure you code to the Plugin standards for ePN and make
> sure you scope variables properly so you don't have memory leaks in
> your code (same situation as if you were writing code for mod_perl).
> 
> I think there is a  pretty solid group of people using ePN, if
> anything my hope is that future releases will add the option of
> enabling other embedded interpreters at compile time (Lua, ruby,
> python, PHP) the way the Net-SNMP project, RRDtool,  and others do :).
> 
> - Max
> 
> On Feb 5, 2008 2:08 PM, Jonathan Call <jcall at verio.net> wrote:
> > I've got one server that is getting tanked right now.  (Load average
> in
> > the 50's) Is it worth it to rewrite the many perl scripts I have to
> use
> > Embedded Perl and the Nagios::Plugin CPAN module?
> >
> > I'm speaking in terms of performance and also in terms of future
> Nagios
> > releases/compatibility.
> >
> > Jonathan
> >
> >
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