Hortonworks Data Platform

Ambari User's Guide

2015-04-13


Contents

1. Overview: Ambari User's Guide
1. Architecture
1.1. Sessions
2. Accessing Ambari Web
2. Monitoring and Managing your HDP Cluster with Ambari
1. Viewing Metrics on the Dashboard
2. Scanning System Metrics
3. Drilling Into Metrics for a Service
4. Viewing Cluster-Wide Metrics
5. Adding a Widget to the Dashboard
6. Resetting the Dashboard
7. Customizing Metrics Display
8. Viewing More Metrics for your HDP Stack
9. Viewing Heatmaps
10. Scanning Status
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
6.1. How to Decommission a Component
7. How to Delete a Component
8. Deleting a Host from a Cluster
8.1. How to Delete a Host from a Cluster
9. Setting Maintenance Mode
9.1. Setting Maintenance Mode for Services, Components, and Hosts
9.2. How to Turn On Maintenance Mode for a Service
9.3. How to Turn On Maintenance Mode for a Host
9.4. How to Turn On Maintenance Mode for a Host (alternative using filtering for hosts)
9.5. Maintenance Mode Use Cases
10. Adding Hosts to a Cluster
4. Managing Services
1. Starting and Stopping All Services
2. Selecting a Service
3. Adding a Service to your Hadoop cluster
4. Editing Service Config Properties
5. Viewing Summary, Alert, and Health Information
5.1. Alerts and Health Checks
5.2. Analyzing Service Metrics
6. Performing Service Actions
7. Monitoring Background Operations
8. Using Quick Links
9. Rolling Restarts
9.1. Setting Rolling Restart Parameters
9.2. Aborting a Rolling Restart
10. Refreshing YARN Capacity Scheduler
10.1. How to refresh the YARN Capacity Scheduler
11. Rebalancing HDFS
11.1. How to rebalance HDFS
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
2. ResourceManager High Availability
3. HBase High Availability
3.1. Adding an HBase Master Component
4. Hive High Availability
4.1. Adding a Hive Metastore Component
4.2. Adding a HiveServer2 Component
5. Oozie High Availability
5.1. Adding an Oozie Server Component
6. Managing Configurations
1. Configuring Services
1.1. Updating Service Properties
1.2. Restarting components
2. Using Host Config Groups
3. Customizing Log Settings
4. Downloading Client Configs
5. Service Configuration Versions
5.1. Basic Concepts
5.2. Terminology
5.3. Saving a Change
5.4. Viewing History
5.5. Comparing Versions
5.6. Reverting a Change
5.7. Versioning and Host Config Groups
7. Administering the Cluster
1. Managing Stack and Versions
2. Register a Version
3. Install the Version
4. Perform Upgrade
4.1. Upgrade Prerequisites
5. Service Accounts
6. Kerberos
6.1. How To Regenerate Keytabs
6.2. How To Disable Kerberos
8. Monitoring and Alerts
1. Managing Alerts
1.1. Terms and Definitions
1.2. Alert Definitions and Instances
1.3. How To Change an Alert
1.4. How To View a List of Alert Instances
1.5. How To Enable or Disable an Alert
2. Configuring Notifications
3. List of Predefined Alerts
3.1. HDFS Service Alerts
3.2. NameNode HA Alerts
3.3. YARN Alerts
3.4. MapReduce2 Alerts
3.5. HBase Service Alerts
3.6. Hive Alerts
3.7. Oozie Alerts
3.8. ZooKeeper Alerts
3.9. Ambari Alerts

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