UPDATE YOUR CONFIGS!
Defaults:
LoginDatabaseConnections = 1
WorldDatabaseConnections = 1
CharacterDatabaseConnections = 1
If you are not using <mtmaps> patch do not change the default settings - this is useless. You can try following option in your MySQL config to squeeze even more performance from your DB:
[mysqld]
transaction-isolation = READ-COMMITTED
Great thanks to Undergarun, kero99 and selector for making tests and providing very useful feedback and DB statistics! Have fun :)
Signed-off-by: Ambal <pogrebniak@gala.net>