MapDB provides concurrent Maps, Sets and Queues backed by disk storage or off-heap memory.
MapDB is free as speech and free as beer under
[Apache License 2.0](https://github.com/jankotek/MapDB/blob/master/doc/license.txt).

Find out more at:
  * [Home page - www.mapdb.org](http://www.mapdb.org)
  * [Introduction](http://www.mapdb.org/doc/getting-started.html)
  * [Examples](https://github.com/jankotek/MapDB/tree/master/src/test/java/examples)
  * [Javadoc](http://www.mapdb.org/apidocs/index.html)


15 minutes overview
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<a href="http://youtu.be/_KGDwwEP5js"><img src="https://img.youtube.com/vi/_KGDwwEP5js/0.jpg"/></a>







