1. Prerequisites

Ensure that the new slave nodes meet the following prerequisites:

  • The following operating systems are supported:

    • 64-bit Red Hat Enterprise Linux (RHEL) 5 or 6

    • 64-bit CentOS 5 or 6

    • 64-bit SUSE Linux Enterprise Server (SLES) 11, SP1

  • On each of your hosts:

    • yum (RHEL)

    • zypper (SLES)

    • rpm

    • scp

    • curl

    • wget

    • unzip

    • tar

    • pdsh

  • Ensure that all of the ports listed here are available.

  • To install Hive metastore or to use an external database for Oozie metastore, ensure that you deploy either a MySQL or an Oracle database in your cluster. For instructions, refer to this topic.

  • Your system must have the correct JDK installed on all of the nodes in the cluster. For more information, see JDK Requirements.

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