Another aspect -- are the connections to be used for transmission already open? If it is a new connection, it can be also the fact that the other side is not accepting the new one very fast.
Cheers, Daniel On 24.04.18 19:46, Andrew Chen wrote: > Thanks Daniel. > > On Tue, Apr 24, 2018 at 10:45 AM, Daniel-Constantin Mierla > <[email protected] <mailto:[email protected]>> wrote: > > Hello, > > you can see tcp write queued bytes with: > > kamctl rpc core.tcp_info > > If you have an older version, do kamcmd core.tcp_info > > It may be also the OS queues that are busy, if the other side is > not not reading fast, look at netstat output for Send-Queue in: > > netstat -altp > > Cheers, > Daniel > > > On 22.04.18 18:47, Andrew Chen wrote: >> Hello, >> >> Can anyone provide any suggestions on how to log buffer usage? >> >> On Tue, Apr 17, 2018 at 7:46 PM, Andrew Chen <[email protected] >> <mailto:[email protected]>> wrote: >> >> Thanks Alex for your response. I honestly forgot about these >> parameters and will play with them a bit. >> >> Is there anyway to log how much is written or stored in the >> buffer? >> >> On Tue, Apr 17, 2018 at 7:35 PM, Alex Balashov >> <[email protected] >> <mailto:[email protected]>> wrote: >> >> Hello, >> >> Could it be that your send queue or other parameters >> regulating outgoing >> flows are too low? >> >> Stuff like this: >> >> >> https://www.kamailio.org/wiki/cookbooks/5.1.x/core#tcp_conn_wq_max >> >> <https://www.kamailio.org/wiki/cookbooks/5.1.x/core#tcp_conn_wq_max> >> https://www.kamailio.org/wiki/cookbooks/5.1.x/core#tcp_wq_max >> <https://www.kamailio.org/wiki/cookbooks/5.1.x/core#tcp_wq_max> >> >> -- Alex >> >> On Tue, Apr 17, 2018 at 05:00:28PM -0700, Andrew Chen wrote: >> >> > Hi Kamailio community, >> > >> > I need your urgent help regarding a situation where the >> Kamailio TCP packet >> > delayed in relaying SIP packets. They delay between >> the time Kamailio logs >> > the relay to the time it left the system was ~20 >> seconds difference, which >> > is huge in SIP world. >> > >> > Any ideas, thoughts or suggestions on how I can narrow >> down to the >> > problem? We have about 30 cases of this today >> > >> > Thanks in advance. >> > >> > -- >> > Andy Chen >> > Sr. Telephony Lead Engineer >> > achen@ <[email protected] >> <mailto:[email protected]>>fuze.com <http://fuze.com> >> > >> > -- >> > *Confidentiality Notice: The information contained in >> this e-mail and any >> > >> > attachments may be confidential. If you are not an >> intended recipient, you >> > >> > are hereby notified that any dissemination, >> distribution or copying of this >> > >> > e-mail is strictly prohibited. If you have received >> this e-mail in error, >> > >> > please notify the sender and permanently delete the >> e-mail and any >> > >> > attachments immediately. You should not retain, copy or >> use this e-mail or >> > >> > any attachment for any purpose, nor disclose all or any >> part of the >> > >> > contents to any other person. Thank you.* >> >> > _______________________________________________ >> > Kamailio (SER) - Users Mailing List >> > [email protected] >> <mailto:[email protected]> >> > >> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >> <https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users> >> >> >> -- >> Alex Balashov | Principal | Evariste Systems LLC >> >> Tel: +1-706-510-6800 / +1-800-250-5920 (toll-free) >> Web: http://www.evaristesys.com/, http://www.csrpswitch.com/ >> >> _______________________________________________ >> Kamailio (SER) - Users Mailing List >> [email protected] >> <mailto:[email protected]> >> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >> <https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users> >> >> >> >> >> -- >> Andy Chen >> Sr. Telephony Lead Engineer >> 415 516 5535 (M) >> achen@ <mailto:[email protected]>fuze.com >> <http://fuze.com> >> >> >> >> >> -- >> Andy Chen >> Sr. Telephony Lead Engineer >> 415 516 5535 (M) >> achen@ <mailto:[email protected]>fuze.com <http://fuze.com> >> >> >> *Confidentiality Notice: The information contained in this e-mail >> and any >> attachments may be confidential. If you are not an intended >> recipient, you >> are hereby notified that any dissemination, distribution or >> copying of this >> e-mail is strictly prohibited. If you have received this e-mail >> in error, >> please notify the sender and permanently delete the e-mail and any >> attachments immediately. You should not retain, copy or use this >> e-mail or >> any attachment for any purpose, nor disclose all or any part of the >> contents to any other person. Thank you.* >> >> >> _______________________________________________ >> Kamailio (SER) - Users Mailing List >> [email protected] <mailto:[email protected]> >> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users >> <https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users> > > -- > Daniel-Constantin Mierla > www.twitter.com/miconda <http://www.twitter.com/miconda> -- > www.linkedin.com/in/miconda <http://www.linkedin.com/in/miconda> > Kamailio World Conference - May 14-16, 2018 - www.kamailioworld.com > <http://www.kamailioworld.com> > > > > > -- > Andy Chen > Sr. Telephony Lead Engineer > 415 516 5535 (M) > achen@ <mailto:[email protected]>fuze.com <http://fuze.com> > > > *Confidentiality Notice: The information contained in this e-mail and any > attachments may be confidential. If you are not an intended recipient, you > are hereby notified that any dissemination, distribution or copying of > this > e-mail is strictly prohibited. If you have received this e-mail in error, > please notify the sender and permanently delete the e-mail and any > attachments immediately. You should not retain, copy or use this e-mail or > any attachment for any purpose, nor disclose all or any part of the > contents to any other person. Thank you.* -- Daniel-Constantin Mierla www.twitter.com/miconda -- www.linkedin.com/in/miconda Kamailio World Conference - May 14-16, 2018 - www.kamailioworld.com
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