[OpenSIPS-Users] number of opensips children
Bogdan-Andrei Iancu
bogdan at voice-system.ro
Tue Dec 15 09:06:46 CET 2009
Hi Jeff,
Jeff Pyle wrote:
> ...but I need to understand better what can block a process.
>
> Is it transaction-based? That is, does a child correspond to a transaction
> until its completion? I hope not, since that doesn't sound like it would
> scale very well.
>
> Is it message-based? That is, does a child process a single message until
> it ships out with t_relay or similar? In this case, how do things like
> siptrace or accounting impact a child's ability to process other messages?
>
It is message based - each process reads a message from network and does
all its processing in order to send it out (not the resending -like
retransmission or forking - id not tide to the same original proc).
What can block? Right now we have the DB/LDAP/RADIUS ops, DNS queries,
logging stuff, EXEC module, etc
Regards,
Bogdan
--
Bogdan-Andrei Iancu
www.voice-system.ro
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