[Freeswitch-users] call limit between multiple freewitchs using mod_db

I have two freeswitch servers load balancing is happening through opensips at front I am using mod_db of freeswitch to have centralized database for account based call limit over both freeswitch I have configured db.conf.xml settings with <param name="odbc-dsn" value="freeswitch:umn:pwd"/> However, when i set the limit per account freeswitch wont restrict call attempt as it should be. What could be the possible issue?