correctly set num_sql_sock in sql accoutnig

[Ivan Kalik]

> Is there a way to know how many sql sockets needs to be open at startup
> for a particular accounting db?
> I want to have sufficent number of such sockets but don't want to loose
> time and ressources opening too much of them.

doc/tuning_guide. There is no point in opening more than 20-25 unless you
have a database cluster.

Ivan Kalik
Kalik Informatika ISP