"How to start playing with Hadoop (Cloudera distributes ready-to-be-used VMs with Hadoop and HBase - really useful for learning)" -- Actually, i wonder what the performance of the hbase is if it is running in VM. We know that the cpu performance is good for VM, but I/O performance is bad. While HBase is I/O intensive, how to get good performance if hbase is running in VM? I think a good evaluation needs to be done. How do you think? - Strep Throat Symptoms, Normal Body Temperature, Pain in Left Side