Hi,
We're trying to build a db replication based kamailio server redundancy
solution. In recent tests, it seems to make more sense to change the db_mode to
2 (write-back) instead of using db only mode, as in db only mode, a lot of
commands and stats don't work anymore.
At this point, we're very close to make this work. However, there is a
potential issue I just discovered. When db replicates users/clients registered
with other servers in the cluster, although the lookup("location") function can
correctly identify the remote users (registered with other servers in the
cluster), the db write-back seems to still include those users when loading
users/contacts to AoRs in memory. It is just that the remote contacts don't
have "socket" information in AoR. Just wonder why the remote users need to be
loaded back to memory AoR at all. Should the db write-back be consistent with
the lookup function in that the non-local users be filtered out from the AoR?
So far, even with remote contacts in AoR we can still make this work, but it
seems a waste of memory to load remote contacts without sockets on each server.
Hope I didn't miss any design decision/principle that calls for AoR for both
local and non-local users.
Thanks,
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