[SR-Users] Dispatcher poor performance

Andrea Meroni rucola8968 at gmail.com
Fri May 16 17:14:57 CEST 2014

Hi all,

i have a strange performance problem: i placed a dispatcher in front of a
bundle of Kamailio proxies and, even with a really simple dispatching logic

route {
        #ds_select_dstl("1", "2");

that actually doesn't even use the dispatcher module i get that when the
server's ( CPU is 100% used the dispatcher's CPU is ~50%
used. Using the dispatching algorithm based on the hash of the From-URI or
the failover one (that should be the lightest dispatching algorithm,
computationally speaking ...) the performance are almost the same. So,
since i saw that in the documentation that the dispatcher module is
designed to be "suitable for handling heavy SIP traffic", my question is:
what i misconfigured? In my opinion it seems weird that the dispatcher
module is able to manage just (as my tests suggest) just 2 Kamailio SIP
proxies ...

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