Redis Cache


The presented resiliency recommendations in this guidance include Redis Cache and associated resources and settings.

Summary of Recommendations

Recommendations Details

REDIS-1 - Enable zone redundancy for Azure Cache for Redis

Category: Availability

Impact: High

Recommendation/Guidance

Azure Cache for Redis supports zone redundancy in its Premium and Enterprise tiers. A zone-redundant cache runs on VMs spread across multiple Availability Zones. Zone redundancy provides higher resilience and availability.

Resources

Resource Graph Query

// Azure Resource Graph Query
// Find Cache for Redis instances with one or no Zones selected
resources
| where type == "microsoft.cache/redis"
| where array_length(zones) <= 1 or isnull(zones)
| project recommendationId = "redis-1", name, id, tags, param1 = "AvailabilityZones: Single Zone"
| order by id asc