We use Elastic Search and HBase for real-time and batch respectively. HBase is used for long term storage. Our ingestion is more than 6 TB per day into HBase but it is only for our advanced reporting or long term data that can be queried via map-reduce. During our HBase benchmarking, real time query were not very efficient and was not applicable as a real time solution. This is why we are using Elastic Search to store our structured data and can be queried very fast. We are using range scan in HBase and performs magically fast but you have to very careful how you design your keys. ... View more