I\'m having a weird issue using Zend_Db\'s PDO adapter for managing my database connections. All of a sudden, I\'m constantly hitting the connection limit on my MySQL server
Did you try to manually close the connection? This seems to be a specific problem.
$db->closeConnection();
Ref: http://framework.zend.com/manual/en/zend.db.adapter.html#zend.db.adapter.closing
15.1.8. Closing a Connection