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
Try FastDB, though you may get more than you ask for. Tokyo cabinet also seems to support in-memory databases. (Or, backed by file mapped by mmap. With modern operating systems, there's no much difference between "in-ram" database and something mmap'd as the OS caching makes also the latter very efficient).