Description

• Add PVC retention policy to Mimir StatefulSets for automatic cleanup on scale-down
• Rename MIN_AZ_COUNT to MAX_AZ_COUNT in aws_vpc.py (was used as max, not min)
• Document vpc_az_count setting and when to use 2 AZs to avoid EBS zone affinity issues with StatefulSets

Category of change

• Bug fix (non-breaking change which fixes an issue)
• Version upgrade (upgrading the version of a service or product)
• New feature (non-breaking change which adds functionality)
• Build: a code change that affects the build system or external dependencies
• Performance: a code change that improves performance
• Refactor: a code change that neither fixes a bug nor adds a feature
• Documentation: documentation changes
• Breaking change (fix or feature that would cause existing functionality to not work as expected)