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:249:{s:19:"dl...', '66b_AMSHOPBY__C...', Array, false)
#2 /var/www/virtual/in360.pl/htdocs/lib/Varien/Cache/Core.php(145): Zend_Cache_Core->save('a:249:{s:19:"dl...', '66b_AMSHOPBY__C...', Array, false, 8)
#3 /var/www/virtual/in360.pl/htdocs/app/code/core/Mage/Core/Model/Cache.php(403): Varien_Cache_Core->save('a:249:{s:19:"dl...', 'AMSHOPBY_ CATAL...', Array, false)
#4 /var/www/virtual/in360.pl/htdocs/app/code/core/Mage/Core/Model/App.php(1182): Mage_Core_Model_Cache->save('a:249:{s:19:"dl...', 'amshopby_ catal...', Array, false)
#5 /var/www/virtual/in360.pl/htdocs/app/code/local/Mage/Core/Helper/Abstract.php(89): Mage_Core_Model_App->saveCache('a:249:{s:19:"dl...', 'amshopby_ catal...', Array, false)
#6 /var/www/virtual/in360.pl/htdocs/app/code/local/Amasty/Shopby/Helper/Cached.php(43): Mage_Core_Helper_Abstract->_saveCache('a:249:{s:19:"dl...', 'amshopby_ catal...', Array)
#7 /var/www/virtual/in360.pl/htdocs/app/code/local/Amasty/Shopby/Helper/Attributes.php(52): Amasty_Shopby_Helper_Cached->save(Array, 'filterable_opti...')
#8 /var/www/virtual/in360.pl/htdocs/app/code/local/Amasty/Shopby/Helper/Url.php(295): Amasty_Shopby_Helper_Attributes->getAllFilterableOptionsAsHash()
#9 /var/www/virtual/in360.pl/htdocs/app/code/local/Amasty/Shopby/Model/Url/Builder.php(256): Amasty_Shopby_Helper_Url->getAllFilterableOptionsAsHash()
#10 /var/www/virtual/in360.pl/htdocs/app/code/local/Amasty/Shopby/Model/Url/Builder.php(134): Amasty_Shopby_Model_Url_Builder->getParamPart()
#11 /var/www/virtual/in360.pl/htdocs/app/code/local/Amasty/Shopby/Model/Observer.php(97): Amasty_Shopby_Model_Url_Builder->getUrl()
#12 /var/www/virtual/in360.pl/htdocs/app/code/local/Amasty/Shopby/Model/Observer.php(20): Amasty_Shopby_Model_Observer->checkRedirectToSeo()
#13 /var/www/virtual/in360.pl/htdocs/app/code/core/Mage/Core/Model/App.php(1379): Amasty_Shopby_Model_Observer->handleCatalogControllerCategoryInitAfter(Object(Varien_Event_Observer))
#14 /var/www/virtual/in360.pl/htdocs/app/code/core/Mage/Core/Model/App.php(1357): Mage_Core_Model_App->_callObserverMethod(Object(Amasty_Shopby_Model_Observer), 'handleCatalogCo...', Object(Varien_Event_Observer))
#15 /var/www/virtual/in360.pl/htdocs/app/Mage.php(500): Mage_Core_Model_App->dispatchEvent('catalog_control...', Array)
#16 /var/www/virtual/in360.pl/htdocs/app/code/core/Mage/Catalog/controllers/CategoryController.php(65): Mage::dispatchEvent('catalog_control...', Array)
#17 /var/www/virtual/in360.pl/htdocs/app/code/core/Mage/Catalog/controllers/CategoryController.php(116): Mage_Catalog_CategoryController->_initCatagory()
#18 /var/www/virtual/in360.pl/htdocs/app/code/core/Mage/Core/Controller/Varien/Action.php(421): Mage_Catalog_CategoryController->viewAction()
#19 /var/www/virtual/in360.pl/htdocs/app/code/core/Mage/Core/Controller/Varien/Router/Standard.php(254): Mage_Core_Controller_Varien_Action->dispatch('view')
#20 /var/www/virtual/in360.pl/htdocs/app/code/core/Mage/Core/Controller/Varien/Front.php(172): Mage_Core_Controller_Varien_Router_Standard->match(Object(Mage_Core_Controller_Request_Http))
#21 /var/www/virtual/in360.pl/htdocs/app/code/core/Mage/Core/Model/App.php(381): Mage_Core_Controller_Varien_Front->dispatch()
#22 /var/www/virtual/in360.pl/htdocs/app/Mage.php(735): Mage_Core_Model_App->run(Array)
#23 /var/www/virtual/in360.pl/htdocs/index.php(108): Mage::run('', 'store')
#24 {main}