[Kamailio-Users] kamailio 1.4.3 slow

Michael Young myoung at redmonsters.net
Wed Sep 16 19:27:46 CEST 2009


Juan,

I had similar problems with CentOS 5 x86_64 on a server with multiple
dual-core Opteron processors (a Dell Poweredge server). I was unable to find
the root problem, but I found that using the 32 bit version of CentOS 5 on
an Intel platform resolves the problem. I also tested with various Debian
distros on the Opteron-based server and they performed properly. There is
something about the combination of CentOS 5 64 bit, Dell servers, Opteron
processors, and Kamailio that doesn't get along.

While I suspected DNS-related issues (as did some of the replies on this
list), that wasn't it.

Michael Young


-----Original Message-----
From: users-bounces at lists.kamailio.org
[mailto:users-bounces at lists.kamailio.org] On Behalf Of Juan Perez
Sent: Wednesday, September 16, 2009 10:34 AM
To: kamailio
Subject: [Kamailio-Users] kamailio 1.4.3 slow

hello

I installed kamailio in a pc with dual quad core @ 3.3GHz, 4 GB RAM and see
that kamailio is very slow answering to INVITEs from the inbound carriers.
The DEBUG is set to 3 and the idle CPU lowers only to 87% or 90 %, which is
still decent but anyways the performance is very bad.

This is the first time that I see this, I have it installed in other
machines with less resources, same OS [CentOS 5.2 64 bits] and it is
performing very very good. I know that a high debug level is a enemy but in
my case is set to 3 like in the other system, and it is using the same
configuration file. What other thing may affect the performance?

I have made sure that it is not a network issue because the captures are
taken in the same machine and I see multiples INVITEs hitting it and no
response at all until more than 2 seconds

I would appreciate any help or suggestions

cheers

jp


      

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