Fatal error: Uncaught CredisException: Connection to Redis prdredis01.redis.cache.windows.net:6379 failed after 2 failures.Last Error : (0) php_network_getaddresses: getaddrinfo failed: Name or service not known in /var/www/html/magento2/vendor/colinmollenhour/credis/Client.php:493 Stack trace: #0 /var/www/html/magento2/vendor/colinmollenhour/credis/Client.php(489): Credis_Client->connect() #1 /var/www/html/magento2/vendor/colinmollenhour/credis/Client.php(811): Credis_Client->connect() #2 /var/www/html/magento2/vendor/colinmollenhour/credis/Client.php(644): Credis_Client->__call('auth', Array) #3 /var/www/html/magento2/vendor/colinmollenhour/cache-backend-redis/Cm/Cache/Backend/Redis.php(410): Credis_Client->auth('GXGCFFYoynI++W6...') #4 /var/www/html/magento2/vendor/colinmollenhour/cache-backend-redis/Cm/Cache/Backend/Redis.php(250): Cm_Cache_Backend_Redis->_applyClientOptions(Object(Credis_Client)) #5 /var/www/html/magento2/vendor/magento/framework/Cache/Backend/Redis.php(34): Cm_Cache_Backend_Redis->__construct(Array) in /var/www/html/magento2/vendor/colinmollenhour/credis/Client.php on line 493