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 3.1. Gather Hadoop Cluster Information

Before deploying your HDP installation, collect the Hostname or IPv4 address of each the following cluster components:

 

Table 1.1. Hadoop cluster components

Required components

  • NameNode and optional Secondary NameNode

  • ResourceManager

  • Hive Server

  • SlaveNode

  • WebHCat

  • Client Host

Optional components

  • ZooKeeper

  • HBase Master

  • Flume

  • Knox Gateway

  • Ranger (requires MySQL client)

  • Microsoft SQL Server configured with a Hive and Oozie database instance, system account names and passwords


The installer fails if it cannot resolve the host name of each cluster node. To determine the host name for a particular cluster node, open the command line interface on that system. Execute hostname and then nslookup hostname to verify that the name resolves to the correct IP address.

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