This document provides instructions on installing and using Memcachedb. It begins with an overview of what Memcachedb is and why it was created, as well as its key features like high performance storage, reliability through transactions and replication, and compatibility with the Memcache protocol. It then covers supported commands, benchmark results showing high throughput, and steps for installing dependencies like libevent and BerkeleyDB before installing and running Memcachedb itself.