OOM command not allowed when used memory > 'maxmemory'.

#0 /srv/westside/releases/20200106162748/public/app/code/community/Cm/Cache/Backend/Redis.php(362): Credis_Client->__call('exec', Array)
#1 /srv/westside/releases/20200106162748/public/lib/Zend/Cache/Core.php(390): Cm_Cache_Backend_Redis->save('a:5:{i:0;a:10:{...', 'wwAPP_B1FB6E8F1...', Array, false)
#2 /srv/westside/releases/20200106162748/public/lib/Varien/Cache/Core.php(52): Zend_Cache_Core->save('a:5:{i:0;a:10:{...', 'wwAPP_B1FB6E8F1...', Array, false, 8)
#3 /srv/westside/releases/20200106162748/public/app/code/core/Mage/Core/Model/Cache.php(349): Varien_Cache_Core->save('a:5:{i:0;a:10:{...', 'APP_B1FB6E8F132...', Array, false)
#4 /srv/westside/releases/20200106162748/public/app/code/local/Mage/Core/Model/App.php(1147): Mage_Core_Model_Cache->save('a:5:{i:0;a:10:{...', 'app_b1fb6e8f132...', Array, false)
#5 /srv/westside/releases/20200106162748/public/app/code/core/Mage/Core/Model/Mysql4/Collection/Abstract.php(536): Mage_Core_Model_App->saveCache('a:5:{i:0;a:10:{...', 'app_b1fb6e8f132...', Array)
#6 /srv/westside/releases/20200106162748/public/app/code/local/Varien/Data/Collection/Db.php(704): Mage_Core_Model_Mysql4_Collection_Abstract->_saveCache(Array, Object(Varien_Db_Select))
#7 /srv/westside/releases/20200106162748/public/app/code/local/Varien/Data/Collection/Db.php(620): Varien_Data_Collection_Db->_fetchAll(Object(Varien_Db_Select))
#8 /srv/westside/releases/20200106162748/public/app/code/local/Varien/Data/Collection/Db.php(590): Varien_Data_Collection_Db->getData()
#9 /srv/westside/releases/20200106162748/public/app/code/core/Mage/Core/Model/Mysql4/Website/Collection.php(90): Varien_Data_Collection_Db->load(false, false)
#10 /srv/westside/releases/20200106162748/public/lib/Varien/Data/Collection.php(656): Mage_Core_Model_Mysql4_Website_Collection->load()
#11 /srv/westside/releases/20200106162748/public/app/code/local/Mage/Core/Model/App.php(634): Varien_Data_Collection->getItemById('0')
#12 /srv/westside/releases/20200106162748/public/app/code/local/Mage/Core/Model/App.php(466): Mage_Core_Model_App->_initStores()
#13 /srv/westside/releases/20200106162748/public/app/code/local/Mage/Core/Model/App.php(349): Mage_Core_Model_App->_initCurrentStore('westsidewholesa...', 'website')
#14 /srv/westside/releases/20200106162748/public/app/Mage.php(694): Mage_Core_Model_App->run(Array)
#15 /srv/westside/releases/20200106162748/public/index.php(53): Mage::run('westsidewholesa...', 'website')
#16 {main}