[Users] call performance

Klaus Darilion klaus.mailinglists at pernau.at
Mon Jul 24 19:07:20 CEST 2006


Another strange thing: When using TLS I get stable 670 cps whereas with 
TCP the results vary from 400 cps to 620 cps. Does someone knows a 
reason for this? Note: I do not know if this is caused by openser or sipp.

regards
klaus


Klaus Darilion wrote:
> Hi!
> 
> I tried to test openser's call setup performance.
> Scenario: INVITE - 180 - 200
> 
> Server: 2 x P3 1266MHz
> 
> listen=UDP:...
> children=100
> 
> I used SIPP for testing.
> 
> 1. Although the config is rather simple (no DNS, no DB, no lookup) I 
> can't get more than 700 INVITE transactions per second. Shouldn't this 
> be higher (AFAIK ser powers the whole bay area on a handheld PC)?
> 
> 2. With children = 100, I can see more than 200 threads and lots of unix 
> sockets opened, although no DB is used. Why?
> 
> 3. openser core dumps when children=200
> 
> 
> regards
> klaus
> 
> 
> #
> # $Id: openser.cfg,v 1.5 2005/10/28 19:45:33 bogdan_iancu Exp $
> #
> # simple quick-start config script
> #
> 
> # ----------- global configuration parameters ------------------------
> 
> debug=3            # debug level (cmd line: -dddddddddd)
> fork=yes
> log_stderror=no    # (cmd line: -E)
> 
> /* Uncomment these lines to enter debugging mode
> fork=no
> log_stderror=yes
> */
> 
> check_via=no    # (cmd. line: -v)
> dns=no          # (cmd. line: -r)
> rev_dns=no      # (cmd. line: -R)
> port=5060
> children=100
> fifo="/tmp/openser_fifo"
> 
> listen=udp:83.136.32.132:5060
> #listen=tcp:83.136.32.132:5060
> #listen=tls:83.136.32.132:5061
> 
> #
> # uncomment the following lines for TLS support
> #disable_tls = 0
> #tls_verify_client = 0
> #tls_verify_server = 0
> #tls_require_client_certificate = 0
> #tls_method = TLSv1
> #tls_certificate = "/etc/openser/tls/user/user-cert.pem"
> #tls_private_key = "/etc/openser/tls/user/user-privkey.pem"
> #tls_ca_list = "/etc/openser/tls/user/user-calist.pem"
> 
> # ------------------ module loading ----------------------------------
> 
> # Uncomment this if you want to use SQL database
> #loadmodule "/usr/lib/openser/modules/mysql.so"
> 
> loadmodule "/usr/lib/openser/modules/sl.so"
> loadmodule "/usr/lib/openser/modules/tm.so"
> loadmodule "/usr/lib/openser/modules/rr.so"
> loadmodule "/usr/lib/openser/modules/maxfwd.so"
> loadmodule "/usr/lib/openser/modules/usrloc.so"
> loadmodule "/usr/lib/openser/modules/registrar.so"
> loadmodule "/usr/lib/openser/modules/textops.so"
> loadmodule "/usr/lib/openser/modules/avpops.so"
> loadmodule "/usr/lib/openser/modules/xlog.so"
> 
> # Uncomment this if you want digest authentication
> # mysql.so must be loaded !
> #loadmodule "/usr/lib/openser/modules/auth.so"
> #loadmodule "/usr/lib/openser/modules/auth_db.so"
> 
> # ----------------- setting module-specific parameters ---------------
> 
> # -- usrloc params --
> 
> modparam("usrloc", "db_mode",   0)
> 
> # Uncomment this if you want to use SQL database
> # for persistent storage and comment the previous line
> #modparam("usrloc", "db_mode", 2)
> 
> # -- auth params --
> # Uncomment if you are using auth module
> #
> #modparam("auth_db", "calculate_ha1", yes)
> #
> # If you set "calculate_ha1" parameter to yes (which true in this config),
> # uncomment also the following parameter)
> #
> #modparam("auth_db", "password_column", "password")
> 
> # -- rr params --
> # add value to ;lr param to make some broken UAs happy
> modparam("rr", "enable_full_lr", 1)
> 
> # -------------------------  request routing logic -------------------
> 
> # main routing logic
> 
> route{
> 
>         # initial sanity checks -- messages with
>         # max_forwards==0, or excessively long requests
>         if (!mf_process_maxfwd_header("10")) {
>                 sl_send_reply("483","Too Many Hops");
>                 exit;
>         };
> 
>         if (msg:len >=  2048 ) {
>                 sl_send_reply("513", "Message too big");
>                 exit;
>         };
> 
>         # we record-route all messages -- to make sure that
>         # subsequent messages will go through our proxy; that's
>         # particularly good if upstream and downstream entities
>         # use different transport protocol
>         if (!method=="REGISTER")
> 
>                 record_route();
> 
>         # subsequent messages withing a dialog should take the
>         # path determined by record-routing
>         if (loose_route()) {
>                 # mark routing logic in request
>                 append_hf("P-hint: rr-enforced\r\n");
>                 route(1);
>         };
> 
> avp_printf("$avp(s:target)","sip:83.136.32.134;transport=udp");
> avp_pushto("$ru","$avp(s:target)");
> 
> t_relay();
> exit;
> 
>         if (!uri==myself) {
>                 # mark routing logic in request
>                 append_hf("P-hint: outbound\r\n");
>                 # if you have some interdomain connections via TLS
>                 #if(uri=~"@tls_domain1.net") {
>                 #       t_relay_to_tls("IP_domain1","port_domain1");
>                 #       exit;
>                 #} else if(uri=~"@tls_domain2.net") {
>                 #       t_relay_to_tls("IP_domain2","port_domain2");
>                 #       exit;
>                 #}
>                 route(1);
>         };
> 
>         # if the request is for other domain use UsrLoc
>         # (in case, it does not work, use the following command
>         # with proper names and addresses in it)
>         if (uri==myself) {
> 
>                 if (method=="REGISTER") {
> 
>                         # Uncomment this if you want to use digest 
> authentication
>                         #if (!www_authorize("openser.org", "subscriber")) {
>                         #       www_challenge("openser.org", "0");
>                         #       exit;
>                         #};
> 
>                         save("location");
>                         exit;
>                 };
> 
>                 lookup("aliases");
>                 if (!uri==myself) {
>                         append_hf("P-hint: outbound alias\r\n");
>                         route(1);
>                 };
>                 # native SIP destinations are handled using our USRLOC DB
>                 if (!lookup("location")) {
>                         sl_send_reply("404", "Not Found");
>                         exit;
>                 };
>                 append_hf("P-hint: usrloc applied\r\n");
>         };
> 
>         route(1);
> }
> 
> 
> route[1] {
>         # send it out now; use stateful forwarding as it works reliably
>         # even for UDP2TCP
>         if (!t_relay()) {
>                 sl_reply_error();
>         };
>         exit;
> }
> 
> 
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