ForestDB is a next-generation storage engine defined by an open source project that started implementation a year ago. This embedded, key-value system is built to address the main drawbacks of typical B+-Tree index structure to push disk IO performance to the next level. The initial presentation of the new HB+-Trie structure, which is the underlying structure for ForestDB, was originally presented
![ForestDB Storage Engine Available for Couchbase Server and Couchbase Lite](https://cdn-ak-scissors.b.st-hatena.com/image/square/59742da5c23e35b9cc9be2dbd4fa322807e0c4ec/height=288;version=1;width=512/https%3A%2F%2Fwww.couchbase.com%2Fblog%2Fwp-content%2Fuploads%2F2022%2F11%2Fcouchbase-nosql-dbaas.png)