[Kamailio-Users] kamailio 1.4.3 slow

[Henning Westerholt]

On Mittwoch, 16. September 2009, Juan Perez wrote:
> We disabled iptables completely to rule out that posibility and saw the
> same situation.

Hi Juan,

> On another note, this is my understanding but I may be wrong, once kamailio
> is started it loads all the routes [lcr module] and addresses [permissions
> module] from the DB into memory. If the DB is not responsive would kamailio
> be affected? If no changes are made in the DB that requieres an lcr_reload
> or address_reload would Kamailio try to access the DB everytime a
> transaction is to be processed?

Ok, if you use modules that have a memory cache no database access should be 
done during runtime.

> , Also, if this helps, we do not use DNS in our config, only IPs, and we
> are not handling Registrations, it is being used as SIP trunking only 

Hm, ok.. But the SIP messages that you processing are use DNS names? Can you 
check with ngrep or tcpdump anyway if you've any DNS problems?

Another thing could the logging, do you use asynchronous syslog logging?

Henning
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