Interstage Big DataParallel Processing ServerV1.0.1 User's Guide

11.1 Adding Job Execution Users

Hadoop job execution users are configured by specifying user names and user IDs in the BDPP_HADOOP_DEFAULT_USERS parameter of bdpp.conf when this product is installed.

This section describes how to add user accounts, during systems operations when using this product, for users who execute jobs but who are not specified in bdpp.conf.

The following table shows the tasks required for adding a job execution user.

Process	Permissions and conditions that can be implemented
Create a User Account	Use root permissions.
Create a Home Directory for the User on the DFS	Use root permissions.
Configure SSH Authentication Keys to be Used by the Cache Local Feature	Use the newly created user account. Perform only if using the cache local feature.
Configure MapReduce Job User Authentication Keys	Use the newly-created user account. Perform only if not using the cache local feature, but using job user authentication.