What is Magento Sphinx extension and how to use it?

Magento Sphinx is one of the possible solutions to speed up and improve the quality of your search engine on the site. This is a good way to make a search on your site user-friendly,  reliable and above all very fast. 

Magento Sphinx is a combination, a symbiosis of two solutions - a Magento platform for e-commerce and Sphinx, a leader among open search engines. Magento Sphinx quickly indexes (up to 15 MB / sec), quickly searches (up to 250 requests / sec) and is easily scalable. To install Magento Sphinx on your site you just need to set up Sphinx search engine and use one of the Magento extensions, which will make integration with the CMS.