[OpenSIPS-Users] memory consumed by t_relay

[Bogdan-Andrei Iancu]

Hello Chen-Che,

A SIP transaction is a requests plus all its replied (provisional and 
final) - the TM module automatically frees all transactions when they 
complete (got a final reply or they timeout).

Via statistics you can see how many ongoing transactions you have in 
memory "opensipsctl fifo get_statistics tm:" - the "in_used" value.

The memory may be exhausted because you have too many transactions in 
mem (processing rate is slower than the receiving rate).

In regards to memory troubleshooting, also take a look at 
http://www.opensips.org/Documentation/TroubleShooting-OutOfMem

Regards,

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


On 04/25/2013 09:26 AM, microx wrote:
> Hi all,
>
> In my environment, I have an outbound proxy and two internal SIP proxy
> servers. The outbound proxy listens on two interfaces where one is
> (61.60.x.x) for communication with outside UAs and the other is
> (192.168.x.x) for communication with internal SIP server. When the outbound
> proxy receives a SIP message from outside UA, it uses
> force_send_socket(udp:192.168.x.x:5060) and t_relay() to forward the SIP
> message to some internal SIP proxy server. On the other hand, when the
> outbound proxy gets a SIP message from internal SIP server, it uses
> force_send_socket(udp:61.60.x.x) and t_relay() to forward the message to the
> destined UA.
>
> After processing about 10,000 INVITEs, the outbound proxy runs out of its
> allocated memory. The reason seems to be the use of t_rely() which generates
> transactions. If so, when the transaction data will be cleared from the
> memory at the outbound proxy (the outbound proxy forwards BYEs as well)? Or
> whether some functions can be used in the configuration file to remove such
> transaction data?
>
> I had tried to use send() instead of t_relay() since send() is stateless.
> However, force_send_socket does not take effect for send(). Specifically,
> when the outbound proxy uses force_send_socket(udp:192.168.x.x:5060) and
> send() to forward a SIP message to some internal SIP proxy server, the SIP
> message is actually sent with 61.60.x.x rather than 192.168.x.x.
>
> Can anyone instruct me how to solve this issue? Deeply thanks for any
> comment.
>
> Best regards,
> Chen-Che
>
>
>
> --
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>
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