Hello, We have completed major upgrade of HBase/Phoenix from 1.6/4.16 to 2.4/5.1 versions and continuing journey to 2.5 release in production. Would like to share some insights on how we achieved in-place rolling upgrade of major release without any downtime.
Here is the Engineering Blog on Implementing Salesforce’s Largest Database Upgrade: https://engineering.salesforce.com/implementing-salesforces-largest-database-upgrade-inside-the-migration-to-hbase-2/ Detailed insights available on https://engineering.salesforce.com/wp-content/uploads/2023/12/SFDC-HBase2-Phoenix5-Paper-2023.pdf
