Hi ,   there is an older blogpost from 2013 about choosing hardware for a cloudera cluster.   https://blog.cloudera.com/blog/2013/08/how-to-select-the-right-hardware-for-your-new-hadoop-cluster/   I think this could provide you a rough estimation about the hardware.   For general requirements see the cloudera documentation:   http://www.cloudera.com/documentation/enterprise/latest/topics/installation_reqts.html   HTH, Michael ... View more