Thanks for your advice.   Currently, I'm getting myself familiar by building the cluster with several VMs on a Linux host. I will get the copy of the books you mentioned!   Now, hope I my understanding is correct, in production environment, each node corresponds to a physical server in a rack. If I want to setup a 4-node cluster, I will probably have 4 1U servers on my rack.   It seems I'd better go for AWS or Google Cloud first. Is there any good option? I just wonder when we use AWS, we are actually using VMs.   Thanks. ... View more

Thanks for your advice.   I have a confusion starting from my first glance on Hadoop. When we are mentioning about server nowsaday, we actually refer to a VM on a VMWare ESXi or similar vm platform. However, for Hadoop, we are making use of the distributive nature.   I am still confused for a long time. For a production deployment, can I allocate VMs on the same server to use Cloudera? I am concerning the normal practice. ... View more