Hi Bogdan, i have another question regarding the UDP buffer size: If we set the UDP-Buffer of the system to, let's say 1 MByte: Do we also have to edit MAX_RECV_BUFFER_SIZE? What happens, if we don't? Looking at udp_server.c it seems like this value is ignored...
Thank you, Carsten Am Dienstag, den 25.03.2008, 12:53 +0200 schrieb Bogdan-Andrei Iancu: > Hi Klaus, Hi Carsten, > > Setting a large buffer for the UDP socket will not solve the problem of > slow openser processing, but will solve the problem of temporary > overloads due a short traffic peek or due short openser blocking in an > synchronous op (like DNS or DB). In such corner cases, the buffering in > the kernel socket will avoid message dropping. > > Regards, > Bogdan > > Klaus Darilion wrote: > > Carsten Bock schrieb: > > > >> Hi, > >> > >> short question: > >> Can anybody give me a hint regarding the Linux UDP-Buffer size? Are > >> there any known good values for this or is the default value (128k) of > >> Linux sufficient? I've read, regarding other SIP-Systems (namely IBM SIP > >> Servlets and Communigate pro), the recommendation to increase the > >> UDP-Buffer-size to 3 or even 4 MByte.... > >> Are there any recommended / known best values for heavy load OpenSER > >> Installations? > >> > > > > IMO these values are too high. If the server is for any reason to slow > > to handle the load and the buffer fills up, then it might happen that > > the transactions are already timeout in the UAC when the SIP proxy > > starts processing the requests. If the proxy is overloaded IMO the > > requests should be dropped instead of queuing them for too long time. > > > > regards > > klaus > > > > _______________________________________________ > > Users mailing list > > Users@lists.openser.org > > http://lists.openser.org/cgi-bin/mailman/listinfo/users > > > > > _______________________________________________ Users mailing list Users@lists.openser.org http://lists.openser.org/cgi-bin/mailman/listinfo/users
