The purpose of service-level authentication (SLA) is to ensure that Hadoop users have the proper permission to access certain services. One use case of this configuration is to control a list of allowed users who can use the cluster. This is enforced with Access Control List (ACL) in Hadoop. In this recipe, we will list steps to configure SLA.
Before getting started, we assume that our Hadoop cluster has been properly configured and all the daemons are running without any issues.
Log in to the master node from the administrator machine with the following command:
Use the following steps to configure Hadoop SLA: