Hi Daniel, It is on the exact same server, same system configuration, same configuration trimmed down for fitting 3.3, packages installed from the kamailio debian wheezy repository.
I can reproduce it just using sipp and a simple REGISTER loop. Do you want me to run some specific tests ? provide you some specific traces ? Best, Tristan. On 10/14/2015 09:09 PM, Daniel-Constantin Mierla wrote: > Hello, > > is the same operating system and server, or are you using some other > machine for the new version? I can't remember right now any big change > in tcp/tls side, besides sni, which should not have any relevant > impact as described here. > > Also, have you installed from git branch 4.2 or the tarball/packages > of 4.2.6? > > Cheers, > Daniel > > On 15/10/15 03:36, Tristan Mahé wrote: >> Hi List, >> >> I've been reaching a strange thing lately, trying to upgrade to kamailio >> 4.2.6 ( identical config ): >> >> - 35% loss of performance on TLS connections ( Sipp REGISTER scenario, >> easily reproduced ). >> - more TCP workers needed to ease the TCP queues ( 32 workers on 3.3.7, >> at least 64 are needed on 4.2.6 to avoid "queue full" messages in logs ). >> - kamailio 4.2.6 intermittent processing of requests ( Kamailio stops >> accepting new tcp connections, then resume a bit later, then stops >> again,... ) => starts happening when Kamailio is treating more than 20k >> tcp connections, with between 500-1k req/s. During those periods, trying >> to connect to kamailio with an openssl s_client -connect will end up in >> a timeout or with a long delay before the certificate is received ( 03 >> CONNECTED ). >> - kamailio 4.2.6 dropping connections, kamailio 3.3.7 keeping those >> connections: after a while, the number of active connections starts to >> decrease on kam4, on kam3 it stays constant. >> >> I was wondering if I was alone in this situation or if someone else is >> impacted, has some advices ? >> >> It does not seem to be a config issue, as it is the same that was >> deployed with both versions. >> >> >> >> _______________________________________________ >> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list >> sr-users@lists.sip-router.org >> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users > > -- > Daniel-Constantin Mierla > http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda > Book: SIP Routing With Kamailio - http://www.asipto.com > > > _______________________________________________ > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list > sr-users@lists.sip-router.org > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
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