Elasticsearch 7 and Elastic Stack - In Depth and Hands On! - Failover in Action - Part 1

The video tutorial demonstrates how to manage an Elasticsearch cluster by starting nodes, monitoring cluster health, adding nodes, simulating node failures, and recovering from them. It covers using system control commands to manage nodes, checking cluster status with health queries, and observing Elasticsearch's failover capabilities. The tutorial emphasizes the importance of having multiple nodes for redundancy and shows how Elasticsearch dynamically adapts to changes in the cluster.

How can you check the health of an Elasticsearch cluster?

What happens when the master node in an Elasticsearch cluster goes down?

What steps should be taken to recover a failed Elasticsearch node?