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:10:{s:19:"cat...', 'wwSTORE_ELECTRI...', Array, false)
#2 /srv/westside/releases/20200106162748/public/lib/Varien/Cache/Core.php(52): Zend_Cache_Core->save('a:10:{s:19:"cat...', 'wwSTORE_ELECTRI...', Array, false, 8)
#3 /srv/westside/releases/20200106162748/public/app/code/core/Mage/Core/Model/Cache.php(349): Varien_Cache_Core->save('a:10:{s:19:"cat...', 'STORE_ELECTRICA...', Array, false)
#4 /srv/westside/releases/20200106162748/public/app/code/local/Mage/Core/Model/App.php(1147): Mage_Core_Model_Cache->save('a:10:{s:19:"cat...', 'store_electrica...', Array, false)
#5 /srv/westside/releases/20200106162748/public/app/code/local/Mage/Core/Model/Store.php(414): Mage_Core_Model_App->saveCache('a:10:{s:19:"cat...', 'store_electrica...', Array)
#6 /srv/westside/releases/20200106162748/public/app/code/local/Mage/Core/Model/App.php(633): Mage_Core_Model_Store->initConfigCache()
#7 /srv/westside/releases/20200106162748/public/app/code/local/Mage/Core/Model/App.php(466): Mage_Core_Model_App->_initStores()
#8 /srv/westside/releases/20200106162748/public/app/code/local/Mage/Core/Model/App.php(349): Mage_Core_Model_App->_initCurrentStore('westsidewholesa...', 'website')
#9 /srv/westside/releases/20200106162748/public/app/Mage.php(694): Mage_Core_Model_App->run(Array)
#10 /srv/westside/releases/20200106162748/public/index.php(53): Mage::run('westsidewholesa...', 'website')
#11 {main}