I need to install hadoop to analyse data, show statistics, and develop an application from it. And I need to know if I need a windows/linux machine? How many datanodes/namenodes will I need? Is there any tutorial for this?
More precision: I have to analyse data that contains Calls infos (millions or more of data), and show the statistics in an interface (application) using hadoop . so to begin i must install hadoop , but i need to know what do i need ,how many machines etc.