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Connection to Redis redis-l1a.l9v2j2.0001.usw2.cache.amazonaws.com:6379 failed after 2 failures.Last Error : (0) php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution

Trace:
#0 /var/apps/princessdressworld.com/app/code/local/Credis/Client.php(472): Credis_Client->connect()
#1 /var/apps/princessdressworld.com/app/code/local/Credis/Client.php(785): Credis_Client->connect()
#2 /var/apps/princessdressworld.com/app/code/local/Credis/Client.php(638): Credis_Client->__call('select', Array)
#3 /var/apps/princessdressworld.com/lib/Cm/Cache/Backend/Redis.php(135): Credis_Client->select(17)
#4 /var/apps/princessdressworld.com/lib/Zend/Cache.php(153): Cm_Cache_Backend_Redis->__construct(Array)
#5 /var/apps/princessdressworld.com/lib/Zend/Cache.php(94): Zend_Cache::_makeBackend('Cm_Cache_Backen...', Array, true, true)
#6 /var/apps/princessdressworld.com/app/code/core/Mage/Core/Model/Cache.php(136): Zend_Cache::factory('Varien_Cache_Co...', 'Cm_Cache_Backen...', Array, Array, true, true, true)
#7 /var/apps/princessdressworld.com/app/code/core/Mage/Core/Model/Config.php(1357): Mage_Core_Model_Cache->__construct(Array)
#8 /var/apps/princessdressworld.com/app/Mage.php(466): Mage_Core_Model_Config->getModelInstance('core/cache', Array)
#9 /var/apps/princessdressworld.com/app/code/local/Mage/Core/Model/App.php(412): Mage::getModel('core/cache', Array)
#10 /var/apps/princessdressworld.com/app/code/local/Mage/Core/Model/App.php(306): Mage_Core_Model_App->_initCache(Array)
#11 /var/apps/princessdressworld.com/app/code/local/Mage/Core/Model/App.php(348): Mage_Core_Model_App->baseInit(Array)
#12 /var/apps/princessdressworld.com/app/Mage.php(686): Mage_Core_Model_App->run(Array)
#13 /var/apps/princessdressworld.com/index.php(83): Mage::run('', 'store')
#14 {main}