2. Service Accounts
To view the list of users and groups used by the cluster services, choose Admin > Service Accounts.
- 1. Overview: Ambari User's Guide
- 2. Viewing the Ambari Dashboards
- 3. Managing Hosts
- 1. Working with Hosts
- 2. Determining Host Status
- 3. Filtering the Hosts List
- 4. Performing Host-Level Actions
- 5. Viewing Components on a Host
- 6. Decommissioning Masters and Slaves
- 7. How to Delete a Component
- 8. Deleting a Host from a Cluster
- 9. Setting Maintenance Mode
- 10. Adding Hosts to a Cluster
- 11. Rack Awareness
- 4. Managing Services
- 5. Managing Service High Availability
- 1. NameNode High Availability
- 1.1. How To Configure NameNode High Availability
- 1.2. How to Roll Back NameNode HA
- 1.2.1. Stop HBase
- 1.2.2. Checkpoint the Active NameNode
- 1.2.3. Stop All Services
- 1.2.4. Prepare the Ambari Server Host for Rollback
- 1.2.5. Restore the HBase Configuration
- 1.2.6. Delete ZooKeeper Failover Controllers
- 1.2.7. Modify HDFS Configurations
- 1.2.8. Recreate the secondary NameNode
- 1.2.9. Re-enable the secondary NameNode
- 1.2.10. Delete All JournalNodes
- 1.2.11. Delete the Additional NameNode
- 1.2.12. Verify the HDFS Components
- 1.2.13. Start HDFS
- 2. ResourceManager High Availability
- 3. HBase High Availability
- 4. Hive High Availability
- 5. Storm High Availability
- 6. Oozie High Availability
- 1. NameNode High Availability
- 6. Managing Configurations
- 7. Administering the Cluster
- 8. Monitoring and Alerts
- 9. Using Ambari Metrics
- 1. AMS Architecture
- 2. Using Grafana
- 3. Performance Tuning
- 4. Moving the Metrics Collector
- 5. (Optional) Enabling HBase Region and Table Metrics