#Upgrade

#Compatibility Matrix

The table below lists supported versions of the Alauda Database Service for MySQL and its key components:

Please refer to Release Notes for version-specific changes, new features and deprecations information.

#Prerequisites

Before initiating an upgrade, please ensure the following:

1. Version Compatibility: The current server version can be supported by the upgrade target version of the operator.
2. Component Health: MySQL instances are in a Ready state.
3. Resource Availability: The cluster has sufficient resources to support the upgrade process.

#Upgrade Path Guidelines

#Consecutive Minor Upgrade

• Description: Upgrade version-by-version through consecutive minor versions.
• Example: 4.1.x → 4.2.x → 4.3.x

#Patch-Level Upgrade

• Description: Any upgrade between patch versions of the same minor version are supported.
• Example: 4.1.3 → 4.1.7

#Upgrade Strategies

Alauda Database Service for MySQL will execute upgrades based on the configured upgrade strategy:

• Automatic : Auto-upgrades are triggered immediately upon detecting new component versions.
• Manual : Requires manual approval before initiating the upgrade process.