[Users] NEW FEATURE: cacheless usrloc

Bogdan-Andrei Iancu bogdan at voice-system.ro
Wed Feb 22 20:25:09 CET 2006


Hi everybody,

USRLOC module can now operate in a DB mode : DB_ONLY. This is a cacheless mode - no memory cache is kept, all operation being directly done into DB.

This mode allows DB sharing between multiple proxies without the need of additional replication mechanism.
Drawbacks:
	- some performance penalties due intensive DB usage
	- location watcher disabled (cannot be bind to a record into mem) => PA cannot be used
	- statistics do not work since events cannot be properly been traced without a mem cache

Still to be done:
	- the get_all_ucontacts function (used by nathelper/mediaproxy for NAT pinging) use raw_query in order to   increase performance by filtering the loaded contacts from DB.

For more info, see:
	http://openser.org/docs/modules/1.1.x/usrloc.html#AEN252

regards,
bogdan






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