Indexing website content is the newest challenge in web development as the volume of data grows and becomes more competitive. Customers seek to minimize their search time and prefer websites that can most intuitively point the user to the desired results. Magento works with both Endeca and Solar to achieve optimum search results.
Endeca provides a platform for search applications, combining the ease-of-use of ecommerce, the flexibility of enterprise search, and the power of business intelligence. Extensible Plugin ArchitectureMore than 600 organizations and 250 million people around the world rely on Endeca.
Solr is a standalone enterprise search server with a web-services like API. You put documents in it (called "indexing") via XML over HTTP. You query it via HTTP GET and receive XML results.
Solar offers advanced full-text search capabilities optimized for high volume web traffic, a consideration for many Magento online merchants. Using standards based open interfaces - XML,JSON and HTTP, this comprehensive HTML admin interface features scalability, and is flexible and adaptable with SML configuration.