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('1791283794', '66b_CONFIG_GLOB...', Array, 60)
#2 /var/www/virtual/in360.pl/htdocs/lib/Varien/Cache/Core.php(145): Zend_Cache_Core->save('1791283794', '66b_CONFIG_GLOB...', Array, 60, 8)
#3 /var/www/virtual/in360.pl/htdocs/app/code/core/Mage/Core/Model/Cache.php(403): Varien_Cache_Core->save('1791283794', 'CONFIG_GLOBAL.L...', Array, 60)
#4 /var/www/virtual/in360.pl/htdocs/app/code/core/Mage/Core/Model/App.php(1182): Mage_Core_Model_Cache->save(1791283794, 'config_global.l...', Array, 60)
#5 /var/www/virtual/in360.pl/htdocs/app/code/core/Mage/Core/Model/Config.php(552): Mage_Core_Model_App->saveCache(1791283794, 'config_global.l...', Array, 60)
#6 /var/www/virtual/in360.pl/htdocs/app/code/core/Mage/Core/Model/Config.php(471): Mage_Core_Model_Config->_saveCache(1791283794, 'config_global.l...', Array, 60)
#7 /var/www/virtual/in360.pl/htdocs/app/code/core/Mage/Core/Model/App.php(448): Mage_Core_Model_Config->saveCache()
#8 /var/www/virtual/in360.pl/htdocs/app/code/core/Mage/Core/Model/App.php(370): Mage_Core_Model_App->_initModules()
#9 /var/www/virtual/in360.pl/htdocs/app/Mage.php(735): Mage_Core_Model_App->run(Array)
#10 /var/www/virtual/in360.pl/htdocs/index.php(108): Mage::run('', 'store')
#11 {main}