@Denis Sokol Here are my thoughts around competitors from Hortonworks.. Using Hive Transactional tables: 1.if we are getting full dump every time then you can try with Hive-Merge functionality(only in hortonworks) which data availability will be in less than a minute(depends on how much data we scanning and cluster resources..etc). Using HBase: 2.If you are thinking about only the latest version of each record then by Using Hbase we can handle all updates(but scanning a non row key will not give you any performance), use Phoenix on top HBase to get SQL on top of Nosql table. - Both approaches will server for updating the existing data and available only the latest version of the record. - Refer to this and this links about more details about these approaches. Using Druid: Refer to this link for druid. - It would be great if you comment out which way performed better (or) you have chosen for this case 🙂 ... View more