[SR-Users] TCP packet relay delayed (Kamailio 4.1.5)
Daniel-Constantin Mierla
miconda at gmail.com
Tue Apr 24 19:51:18 CEST 2018
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
> <miconda at gmail.com <mailto:miconda at gmail.com>> 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 <achen at fuze.com
>> <mailto:achen at fuze.com>> 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
>> <abalashov at evaristesys.com
>> <mailto:abalashov at evaristesys.com>> 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@ <achen at thinkingphones.com
>> <mailto:achen at thinkingphones.com>>fuze.com <http://fuze.com>
>> >
>> > --
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>> > _______________________________________________
>> > Kamailio (SER) - Users Mailing List
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>> >
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>>
>> --
>> 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/
>>
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>>
>>
>> --
>> Andy Chen
>> Sr. Telephony Lead Engineer
>> 415 516 5535 (M)
>> achen@ <mailto:achen at thinkingphones.com>fuze.com
>> <http://fuze.com>
>>
>>
>>
>>
>> --
>> Andy Chen
>> Sr. Telephony Lead Engineer
>> 415 516 5535 (M)
>> achen@ <mailto:achen at thinkingphones.com>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
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>> any attachment for any purpose, nor disclose all or any part of the
>> contents to any other person. Thank you.*
>>
>>
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>
> --
> 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:achen at thinkingphones.com>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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