1 Jun
2006
1 Jun
'06
6:41 p.m.
Hello,
On 06/01/06 16:24, Dimo wrote:
Hi,
I am having performance issues with openser running on Fedora. Here is
the scenario:
I have a openser which is sending calls to two asterisks, doing radius
accounting and local syslog accounting, the database for user location
is a local MySQL and the asterisks are load-balanced through
dispatcher.
i have modules:
loadmodule "/usr/local/lib/openser/modules/mysql.so"
loadmodule "/usr/local/lib/openser/modules/sl.so"
loadmodule "/usr/local/lib/openser/modules/tm.so"
loadmodule "/usr/local/lib/openser/modules/rr.so"
loadmodule "/usr/local/lib/openser/modules/maxfwd.so"
loadmodule "/usr/local/lib/openser/modules/usrloc.so"
loadmodule "/usr/local/lib/openser/modules/registrar.so"
loadmodule "/usr/local/lib/openser/modules/nathelper.so"
loadmodule "/usr/local/lib/openser/modules/textops.so"
loadmodule "/usr/local/lib/openser/modules/xlog.so"
loadmodule "/usr/local/lib/openser/modules/avpops.so"
loadmodule "/usr/local/lib/openser/modules/avp_radius.so"
loadmodule "/usr/local/lib/openser/modules/acc.so"
loadmodule "/usr/local/lib/openser/modules/options.so"
loadmodule "/usr/local/lib/openser/modules/uri_db.so"
loadmodule "/usr/local/lib/openser/modules/auth.so"
loadmodule "/usr/local/lib/openser/modules/auth_db.so"
loadmodule "/usr/local/lib/openser/modules/auth_radius.so"
loadmodule "/usr/local/lib/openser/modules/dispatcher.so"
Now the problem is that if i use sipp to send INVITE with 10-20 call
attempts per seccond at one time ser just timeouts without answering
for 1-2 seconds and sipp has to retransmit the packets. The timeout
which sipp waits is 500ms so it should be enough.
I have something like on 500 call attempts i get 700 retransmits.
I will start stripping the config to troubleshoot but i was wondering
if you can give me some idea what the problem might be or some good
advice on troubleshooting, where should i look, and if you have any
bes practices to recommend.
what is the number of children you set in your
configuration file? Try
with children=16 or 32. If you use t_relay(), openser should sends back
a 100 trying once the request is forwarded, in order to stop the
retransmission of the request from caller. You can do it stateless via
sl_send_reply() just a beginning of your script if you have
time-consuming operations.
Anyway, OpenSER does not answer the calls, it just routes them. Check to
see if asterisk is able to manage all the traffic you send to it - it is
the box which answers the call.
Cheers,
Daniel
BR,
Dimitar
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