Sorted:

problem about xcache-Collection of common programming errors

php,symfony2,symfony-2.1,apc,xcacheRelated issues-Collection of common programming errors

lion,xcode,error,homebrewRelated issues-Collection of common programming errors

problem about memcache-Collection of common programming errors

linux,php,memcached,memcacheRelated issues-Collection of common programming errors

java,performance,jsf,componentsRelated issues-Collection of common programming errors

problem about munin-Collection of common programming errors

ubuntu,ssh,amazon-web-services,gitRelated issues-Collection of common programming errors

php,javascript,apache,securityRelated issues-Collection of common programming errors

ruby-on-rails,ruby-on-rails-3.1,phusion-passenger,asset-pipelineRelated issues-Collection of common programming errors