Uncaught Predis\Response\ServerException: OOM command not allowed when used memory > 'maxmemory'. in /var/www/cfg/predis/src/Client.php:517
Stack trace:
#0 /var/www/cfg/predis/src/Client.php(482): Predis\Client->onErrorResponse(Object(Predis\Command\StringSet), Object(Predis\Response\Error))
#1 /var/www/cfg/predis/src/Client.php(461): Predis\Client->executeCommand(Object(Predis\Command\StringSet))
#2 /var/www/cfg/library/util/Session.php(108): Predis\Client->__call('set', Array)
#3 /var/www/cfg/app/home/controller/HomeBase.php(57): Library\Util\Session->set('def_city_name', '\xE6\xB7\xB1\xE5\x9C\xB3')
#4 /var/www/cfg/library/Application.php(220): App\Home\Controller\HomeBase->__construct()
#5 /var/www/cfg/library/Application.php(131): Library\Application->_run()
#6 /var/www/cfg/index.php(22): Library\Application->init()
#7 {main}
  thrown in /var/www/cfg/predis/src/Client.php on line 517