Chapter 4. High Availability
In this chapter, we will cover the following recipes:
Namenode HA using shared storage
ZooKeeper configuration
Namenode HA using Journal node
Resourcemanager HA using ZooKeeper
Rolling upgrade in HA
Configuring shared cache manager
Configuring HDFS cache
HDFS snapshots
Configuring storage-based policies
Configuring HA for Edge nodes