BigInsights hardware architecture
This chapter describes the hardware architecture of BigInsights management nodes and data nodes. Furthermore, there is an analysis of some of the considerations to take into account when you build a hardware solution.
4.1 Roles of the management and data nodes
In a Hadoop system, the management nodes and data nodes have different roles, as outlined in the following subsections.
4.1.1 The management node
There might be several management nodes in a cluster. Management nodes host the NameNode, Secondary NameNode, ...