New rake task defined in new version 3.+
rake ts:clear # Clear out Sphinx files
rake ts:configure # Generate the Sphinx configuration file
rake ts:generate # Generate fresh index files for real-time indices
rake ts:index # Generate the Sphinx configuration file and process all indices
rake ts:rebuild # Stop Sphinx, index and then restart Sphinx
rake ts:regenerate # Stop Sphinx, clear files, reconfigure, start Sphinx, generate files
rake ts:restart # Restart the Sphinx daemon
rake ts:start # Start the Sphinx daemon
rake ts:stop # Stop the Sphinx daemon