Thanks, JR! That’s something to look at. However, in this case probing is disabled.
— Sent from mobile, with due apologies for brevity and errors. > On Aug 13, 2019, at 9:40 AM, JR Richardson <jmr.richard...@gmail.com> wrote: > > Hey Alex, > > After I recently upgraded, I had to include more response codes, 5.2 by > default only 200 OK is accepted. I had some upstream carriers sending 405 and > were taken off-line as a result until I added that code in modparm: > > modparam("dispatcher", "ds_ping_reply_codes", "class=2;code=405") > > Not sure if this applies to what you are doing, but my dispatcher round robin > distribution acts as it did prior to upgrade to 5.2, pretty even, no > anomalies with any nodes getting more calls than any other. > > JR > > JR Richardson > Engineering for the Masses > Chasing the Azeotrope > > > Hi, > > I've got a proxy that does very basic round-robin distribution of calls to an > elastic pool of servers, defined in a simple SQLite database with equal > priorities. Nothing too complicated, just a vanilla `ds_select_domain("1", > "4")`. > > The only complication is that seldom are most of the gateways enabled. > Probing stuff was turned on, but didn't do quite what was desired, so it was > replaced with a system that manages activation and deactivation of the > gateways externally. Nevertheless, these are the left-over probing > settings: > > modparam("dispatcher", "ds_ping_method", "OPTIONS") > modparam("dispatcher", "ds_ping_from", "sip:pinger@domain") > modparam("dispatcher", "ds_ping_interval", 15) > modparam("dispatcher", "ds_probing_threshold", 256) > modparam("dispatcher", "ds_inactive_threshold", 1) > modparam("dispatcher", "ds_probing_mode", 0) > > After an upgrade from 5.1 to 5.2.3 (009f62), the round-robin has become > extremely "sticky" and tendentious. That is to say, it directs _almost_ all > calls to a single gateway -- the first gateway in the table -- though not > 100%. There is also a marked tendency to send lots of consecutive calls to > the same gateway, even if it's not the first one, though most of the time it > is. > > Has anyone experienced similar upon upgrading to 5.2? > > Thanks much! > > -- Alex > > > > _______________________________________________ > Kamailio (SER) - Users Mailing List > sr-users@lists.kamailio.org > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users _______________________________________________ Kamailio (SER) - Users Mailing List sr-users@lists.kamailio.org https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users