LevelDB is an embedded key-value store:

* single process, no client-server

* thread safe

* fast

* snapshots for consistent reads

* developed at google: http://code.google.com/p/leveldb


If you're interested in using LevelDB with ruby, check out:

   gem install leveldb-native

You'll need to have libleveldb installed first. See:

   https://github.com/vjoel/ruby-leveldb-native

Live long and ruby.