C++ in-memory Key-Value stores

Question

I\'m looking for suggestions regarding in-memory key-value store engines or libraries, that have C++ interfaces or that are written in C++.

I\'m looking for solutions t

Answer 1

A hash map (also called unordered map) is the best bet for that many pairs. You can find an implementation in Boost and TR1.

Edit: Some people have questioned the size- if he's got, say, a 64bit server, there's plenty of space for 100million kv pairs.