[OpenSIPS-Users] What does mean : "We have reached the limit of max async postponed chunks"

[Bogdan-Andrei Iancu]

Hi Rodrigo,

This is related to async writing to a TCP connection. If the connection 
is blocked for writing (it still is in connecting phase, or it is simply 
blocked as the other end does not read the content from the TCP pipe), 
OpenSIPS buffers the data that needs to be send on that TCP conn (to 
avoid blocking at script level).

The error says the connection reached it maximum allowed capacity on 
buffering. See:
http://www.opensips.org/html/docs/modules/2.2.x/proto_tcp.html#id293474

Regards,

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com

On 07.04.2016 14:57, Rodrigo Pimenta Carvalho wrote:
>
> Ok. Thank you.
>
>
> RODRIGO PIMENTA CARVALHO
> Inatel Competence Center
> Software
> Ph: +55 35 3471 9200 RAMAL 979
>
>
> ------------------------------------------------------------------------
> *De:* users-bounces at lists.opensips.org 
> <users-bounces at lists.opensips.org> em nome de Johan De Clercq 
> <johan at democon.be>
> *Enviado:* quinta-feira, 7 de abril de 2016 02:43
> *Para:* OpenSIPS users mailling list
> *Assunto:* Re: [OpenSIPS-Users] What does mean : "We have reached the 
> limit of max async postponed chunks"
> I think that there is a problem with connectivity.
> Just check the source code to see what it exactly means.
>
> 2016-04-06 16:38 GMT+02:00 Rodrigo Pimenta Carvalho <pimenta at inatel.br 
> <mailto:pimenta at inatel.br>>:
>
>     Hi.
>
>
>     Today I saw this error log:
>
>
>     Apr 06 14:04:39 colibri-imx6 opensips[29712]: Apr  6 14:04:39
>     [29720] ERROR:core:proto_tcp_send: Failed to add another write
>     chunk to 0x74ab2df0
>     Apr 06 14:04:39 colibri-imx6 opensips[29712]: Apr  6 14:04:39
>     [29720] ERROR:tm:msg_send: send() for proto 2 failed
>     Apr 06 14:04:39 colibri-imx6 opensips[29712]: Apr  6 14:04:39
>     [29720] ERROR:core:add_write_chunk: We have reached the limit of
>     max async postponed chunks
>     Apr 06 14:04:39 colibri-imx6 opensips[29712]: Apr  6 14:04:39
>     [29720] ERROR:core:proto_tcp_send: Failed to add another write
>     chunk to 0x74ab2df0
>
>
>     What does mean it?
>
>     What should I do to avoid it?
>
>
>     Any hint will be very helpful!
>
>     Best regards.
>
>
>
>     RODRIGO PIMENTA CARVALHO
>     Inatel Competence Center
>     Software
>     Ph: +55 35 3471 9200 <tel:%2B55%2035%203471%209200> RAMAL 979
>
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