Hello, what kamailio version?
Are registrations handled by kamailio, or is just used for calls? Cheers, Daniel On 17/02/2017 13:31, david wrote: > Hello all > > We are observing an issue in one kamailio proxy we use. > The consecuence of an unknow cause is that the private memory of some > UDP receiver processes in where we listen from a particular IP, seems > to be draining along the time while processing traffic. Quite "slowly" > but maybe aroung 200K in 3-4hours, depending on the moment of the day. > > This is quite weird for us, because it seemed like it was caused by > some particular traffic profile, since we have several IP listening (8 > children each) and we only see the issue in the UDP receiver processes > of some of those IPs. Besides we have moved the kamailio service > listening on the same IP to several different physical servers, and > the behaviour is the same. > We look at it ussing pkg.stats kamcmd command and for instance if we > track one of the process affected > pid: 23784 > rank: 53 > used: 2838616 > *free: 13005408* > real_used: 3771808 > > pid: 23784 > rank: 53 > used: 2842584 > *free: 12999280* > real_used: 3777936 > > This 2 outputs were taken with 10min diff between each other. > > But we dont know where or how to look at it. > We have been these last days trying to search for patterns to allocate > some particular traffic source causing something weird, but no luck. > We have checked all the SIP INVITE messages looking for anything weird > at any field but no luck, besides we sometimes see some bad headers > with blank spaces in the uri or thing like that but those cases we > have an error and we dont think it can cause a memory leak. > Shared memory seems to be stable. > > We also have checked the config we are using and we have been > discarding possible issues since we dont think the $var variables we > are using could cause that issue (but you never know....) > > We tried to debug the kamailio on one affected IP compiling it with > DBG_SYS_MALLOC , and doing the dump of the pkg mem status when the > kamailio was restarted and no traffic was processed, and also when it > had traffic processed. in this last case, we removed traffic, waited > for 20min and made the dump > > i attach you both files, we have the debug logs, but they are very big > to be passed here, and we dont know what to look for :) > > could you please give us some guidance or clue to at least start to > searching for something that can cause this issue? > > thanks alot and regards > david > > > _______________________________________________ > 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 www.twitter.com/miconda -- www.linkedin.com/in/miconda Kamailio Advanced Training - Mar 6-8 (Europe) and Mar 20-22 (USA) - www.asipto.com Kamailio World Conference - May 8-10, 2017 - www.kamailioworld.com
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