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2.2.9
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Hadoop High Availability
Hadoop High Availability
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Contents
1. High Availability for Hive Metastore
Use Cases and Failover Scenarios
Software Configuration
Install HDP
Update the Hive Metastore
Validate configuration
2. Highly Available Reads with HBase
Introduction to HBase High Availability
Propagating Writes to Region Replicas
Timeline Consistency
Configuring HA Reads for HBase
Creating Highly-Available HBase Tables
Querying Secondary Regions
Monitoring Secondary Region Replicas
3. Namenode High Availability
Architecture
Hardware Resources
Deploy NameNode HA Cluster
1. Configure NameNode HA Cluster
2. Deploy NameNode HA Cluster
3. Deploy Hue with an HA Cluster
4. Deploy Oozie with an HA Cluster
Operating a NameNode HA cluster
Configure and Deploy NameNode Automatic Failover
Prerequisites
Instructions
Configuring Oozie Failover
Appendix: Administrative Commands
4. Resource Manager High Availability
Hardware Resources
Deploy ResourceManager HA Cluster
Configure Manual or Automatic ResourceManager Failover
Deploy the ResourceManager HA Cluster
Minimum Settings for Automatic ResourceManager HA Configuration
Testing ResourceManager HA on a Single Node
5. HiveServer2 High Availability via ZooKeeper
How ZooKeeper Manages HiveServer2 Requests
Dynamic Service Discovery Through ZooKeeper
Rolling Upgrade for HiveServer2 Through ZooKeeper
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Validate configuration
Test various failover scenarios to validate your configuration.
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