[asterisk-dev] Regarding SIP performance

[Luigi Rizzo]

On Tue, Oct 17, 2006 at 08:12:54AM +0200, Johansson Olle E wrote:
> >
> > Ok let's forget about we can do it or not. Let me know  this issue  
> > is important for you or not.
> 
> This is an important issue for everyone, we're always trying to  
> improve performance and
> optimize the way we handle things. For the threading part, I know  
> that Josh is working on
> something based on discussion we had in Pisa earlier this year and  
> inspired by the
> multithreading patch implemented in the IAX2 channel.
> 
> Something that is a concern to many of us is also the way we handle  
> the linked lists
> internally in Asterisk. Some tests seems to indicate a lot of time  
> spent traversing
> in-memory lists.

and that is something we are working on, and almost ready - a new
container code based on hash tables (for faster access) and
reference counts (reducing locking contention and
removing a lot of deadlock issues).

cheers
luigi