Fatal error: Uncaught PDOException: SQLSTATE[08004] [1040] Too many connections in /var/www/html/pub/lib/Zend/Db/Adapter/Pdo/Abstract.php:128
Stack trace:
#0 /var/www/html/pub/lib/Zend/Db/Adapter/Pdo/Abstract.php(128): PDO->__construct('mysql:host=alls...', 'magentadbadmin', 'kRB!UqTdfE%hMxV...', Array)
#1 /var/www/html/pub/lib/Zend/Db/Adapter/Pdo/Mysql.php(111): Zend_Db_Adapter_Pdo_Abstract->_connect()
#2 /var/www/html/pub/lib/Varien/Db/Adapter/Pdo/Mysql.php(396): Zend_Db_Adapter_Pdo_Mysql->_connect()
#3 /var/www/html/pub/lib/Zend/Db/Adapter/Abstract.php(460): Varien_Db_Adapter_Pdo_Mysql->_connect()
#4 /var/www/html/pub/lib/Zend/Db/Adapter/Pdo/Abstract.php(238): Zend_Db_Adapter_Abstract->query('SET NAMES utf8', Array)
#5 /var/www/html/pub/app/code/community/Aoe/DbRetry/Resource/Db/Pdo/Mysql/Adapter.php(34): Zend_Db_Adapter_Pdo_Abstract->query('SET NAMES utf8', Array)
#6 /var/www/html/pub/app/code/core/Mage/Core/Model/Resource.php(179): Aoe_DbRetry_Resource_Db_Pdo_Mysql_Adapter->query('SET NAMES utf8')
#7 /var/www/html/pu in /var/www/html/pub/lib/Zend/Db/Adapter/Pdo/Abstract.php on line 144