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('save('save('save('saveCache('getLayoutXml()
#7 /srv/westside/releases/20200106162748/public/app/code/community/Nexcessnet/Turpentine/Helper/Esi.php(220): Nexcessnet_Turpentine_Helper_Esi->_loadEsiCacheClearEvents()
#8 /srv/westside/releases/20200106162748/public/app/code/community/Nexcessnet/Turpentine/Model/Observer/Esi.php(143): Nexcessnet_Turpentine_Helper_Esi->getCacheClearEvents()
#9 /srv/westside/releases/20200106162748/public/app/code/local/Mage/Core/Model/App.php(1339): Nexcessnet_Turpentine_Model_Observer_Esi->loadCacheClearEvents(Object(Varien_Event_Observer))
#10 /srv/westside/releases/20200106162748/public/app/code/local/Mage/Core/Model/App.php(1318): Mage_Core_Model_App->_callObserverMethod(Object(Westside_Cache_Model_Turpentine_Observer_Esi), 'loadCacheClearE...', Object(Varien_Event_Observer))
#11 /srv/westside/releases/20200106162748/public/app/Mage.php(459): Mage_Core_Model_App->dispatchEvent('controller_fron...', Array)
#12 /srv/westside/releases/20200106162748/public/app/code/core/Mage/Core/Controller/Varien/Front.php(128): Mage::dispatchEvent('controller_fron...', Array)
#13 /srv/westside/releases/20200106162748/public/app/code/local/Mage/Core/Model/App.php(749): Mage_Core_Controller_Varien_Front->init()
#14 /srv/westside/releases/20200106162748/public/app/code/local/Mage/Core/Model/App.php(1094): Mage_Core_Model_App->_initFrontController()
#15 /srv/westside/releases/20200106162748/public/app/code/local/Mage/Core/Model/App.php(354): Mage_Core_Model_App->getFrontController()
#16 /srv/westside/releases/20200106162748/public/app/Mage.php(694): Mage_Core_Model_App->run(Array)
#17 /srv/westside/releases/20200106162748/public/index.php(53): Mage::run('westsidewholesa...', 'website')
#18 {main}