Cloudera Docs

Role Instances

  • Adding a Role Instance
  • Starting, Stopping, and Restarting Role Instances
  • Decommissioning Role Instances
    You can remove a role instance such as a DataNode from a cluster while the cluster is running by decommissioning the role instance.
  • Recommissioning Role Instances
  • Deleting Role Instances
  • Configuring Roles to Use a Custom Garbage Collection Parameter
    You can use Java configuration options to configure roles to use a custom garbage collection parameter.
Parent topic: Managing Roles