BigData Training Architect II in Content
Elastic Stack products have a relatively high velocity of releases. In order to maintain a cluster and stay up to date with the latest bug fixes and feature enhancements, sysadmins need to know how to update an Elasticsearch cluster. In this activity, we will update a single Elasticsearch node, but we are going to pretend that it is apart of a large production cluster with dozens of nodes. Therefore, the way we upgrade your Elasticsearch node will need to adhere to the live-rolling update procedure that ensures zero downtime of the cluster, and 100% data availability throughout the upgrade process.