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

#0 /var/www/virtual/in360.pl/htdocs/lib/Cm/Cache/Backend/Redis.php(349): Credis_Client->__call('exec', Array)
#1 /var/www/virtual/in360.pl/htdocs/lib/Zend/Cache/Core.php(390): Cm_Cache_Backend_Redis->save('a:13:{s:5:"amfp...', '66b_CORE_CACHE_...', Array, NULL)
#2 /var/www/virtual/in360.pl/htdocs/lib/Varien/Cache/Core.php(145): Zend_Cache_Core->save('a:13:{s:5:"amfp...', '66b_CORE_CACHE_...', Array, NULL, 8)
#3 /var/www/virtual/in360.pl/htdocs/app/code/core/Mage/Core/Model/Cache.php(403): Varien_Cache_Core->save('a:13:{s:5:"amfp...', 'CORE_CACHE_OPTI...', Array, NULL)
#4 /var/www/virtual/in360.pl/htdocs/app/code/core/Mage/Core/Model/Cache.php(481): Mage_Core_Model_Cache->save('a:13:{s:5:"amfp...', 'core_cache_opti...')
#5 /var/www/virtual/in360.pl/htdocs/app/code/core/Mage/Core/Model/Cache.php(520): Mage_Core_Model_Cache->_initOptions()
#6 /var/www/virtual/in360.pl/htdocs/app/code/core/Mage/Core/Model/App.php(1218): Mage_Core_Model_Cache->canUse('config')
#7 /var/www/virtual/in360.pl/htdocs/app/code/core/Mage/Core/Model/Config.php(417): Mage_Core_Model_App->useCache('config')
#8 /var/www/virtual/in360.pl/htdocs/app/code/core/Mage/Core/Model/Config.php(297): Mage_Core_Model_Config->_canUseCacheForInit()
#9 /var/www/virtual/in360.pl/htdocs/app/code/core/Mage/Core/Model/App.php(440): Mage_Core_Model_Config->loadModulesCache()
#10 /var/www/virtual/in360.pl/htdocs/app/code/core/Mage/Core/Model/App.php(370): Mage_Core_Model_App->_initModules()
#11 /var/www/virtual/in360.pl/htdocs/app/Mage.php(735): Mage_Core_Model_App->run(Array)
#12 /var/www/virtual/in360.pl/htdocs/index.php(108): Mage::run('', 'store')
#13 {main}