Why Upgrade Your Amazon OpenSearch Service Cluster?

Amazon Web Services has announced Extended Support fees starting November 7th, 2025 for older OpenSearch Service cluster versions - including all Elasticsearch domains (versions 7.10 and earlier).

Staying current not only helps you avoid these additional costs but also ensures you benefit from the latest security patches, performance improvements, and features.

In This Guide

This comprehensive handbook covers everything you need to know about upgrading your Amazon OpenSearch Service clusters safely and efficiently:

• Pre-upgrade planning and assessment
• Safe upgrade procedure
• Upgrade paths and methods - given your source version and target version, step by step guidance on what to do
• Step-by-step upgrade procedures - Detailed instructions for in-place and blue/green upgrades as well as additional methods
• Post-upgrade optimization - Fine-tune your cluster for the new version