[sr-dev] RFC: updating default values

[Juha Heinanen]

Daniel-Constantin Mierla writes:

> - default private memory is 4MB - if the config is not that small, it 
> might not be sufficient free pkg to play with (e.g., for sql_query() 
> result, storage of $var(...) values). Should it be increased to 8MB or 
> other value? Debian/Centos have startup script that sets its value to 8 
> via command line

i agree on increasing this to 8 MB.  my sip-proxy does not start with
4.  it starts with 8 on i386, but not on amd64 arch.

> - default shared memory is 32MB - for a decent deployment with tm, 
> location, lcr/dispatcher, permissions, and anti-flood, it might leave 
> not much free space. Should we double it or set to a different value

my proxy is happy with 32 here.

> - usrloc - db_ops_ruid should enabled (1) - seems stable, without it 
> there are problems updating/deleting location records when UA changes 
> the call-id for same contact address.

i agree.

> - usrloc - hash_size - now is 9, which results in 512 slots, meaning is 
> ok for few thousands of registered users, for more, performance will 
> decrease when doing save/lookup location -- should it be made 10 (1024 
> slots for internal hash table)?

i'm fine with that change.

> - auth_db - load_credentials defaults to 'rpid', meaning that the query 
> to get the password will retrieve also the rpid column. I haven't see 
> rpid being used that much lately (replaced by PAI/PPI). I would make 
> this parameter empty by default to avoid querying for an extra column 
> that is likely to be empty.

i agree, since i have modparam("auth_db", "load_credentials", "") in my
config.

-- juha