Re: [SR-Users] TCP packet relay delayed (Kamailio 4.1.5)

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@gmail.com mailto:miconda@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@fuze.com
<mailto:achen@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@evaristesys.com
    <mailto:abalashov@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@thinkingphones.com
        <mailto:achen@thinkingphones.com>>fuze.com <http://fuze.com>
        >
        > --
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    -- 
    Andy Chen
    Sr. Telephony Lead Engineer
    415 516 5535 (M)
    achen@ <mailto:achen@thinkingphones.com>fuze.com
    <http://fuze.com>




-- 
Andy Chen
Sr. Telephony Lead Engineer
415 516 5535 (M)
achen@ <mailto:achen@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
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please notify the sender and permanently delete the e-mail and any
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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@thinkingphones.comfuze.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.*