Need a distributed key-value lookup system

Question

I need a way to do key-value lookups across (potentially) hundreds of GB of data. Ideally something based on a distributed hashtable, that works nicely with Java. It should be

Answer 1

Try distributed Map structure from Redisson, it based on Redis server. Using Redis cluster configuration you may split data across 1000 servers.

Usage example:

Redisson redisson = Redisson.create();

ConcurrentMap map = redisson.getMap("anyMap");
map.put("123", new SomeObject());
map.putIfAbsent("323", new SomeObject());
map.remove("123");

...

redisson.shutdown();