Juha Heinanen wrote:
Christian Schlatter writes:
> This mode ensures that all SIP registrations are directly written to the
> 'location' mysql table, without being buffered in a memory cache. Since
> mysql cluster uses in-memory databases, performance is pretty good even
> with db_mode 3, at least if you run a cluster data node on the same host
> as openser.
some of the presence stuff does not work with db_mode=3. what is the
disadvantage of using mode 1 or 2 in the proxy that receives register
request from user and 0 in others?
-- juha
It doesn't matter if you have only one registrar. But if you want to do
load-balancing/failover between multiple registrars, those registrars
should access the shared mysql cluster tables instead of their local
memory cache. If a phone registers with a proxy, the new registration
state has to be known to all registrars immediately.
/Christian
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