 <p>I believe aerospike would serves your purpose, you can configure it for hybrid storage at namespace(i.e. DB) level in <em>aerospike.conf</em> which is present at <strong><em>/etc/aerospike/aerospike.conf</em></strong></p> <p>For details please refer official documentation here: <a href="http://www.aerospike.com/docs/operations/configure/namespace/storage/" rel="nofollow">http://www.aerospike.com/docs/operations/configure/namespace/storage/</a></p>