Most RecentMost ViewedMost LikesAutomated Query Caching with the Heimdall Proxy Improve database scale with query caching and invalidation; no application changes required. Automated Query Caching with the Heimdall Proxy Improve database scale with query caching and invalidation; no application changes required. Using the Heimdall Proxy to Split Reads and Writes for Azure Databases A write-master with read replicas are used to efficiently distribute SQL traffic. This requires costly application changes. The Heimdall proxy supports read/write split without code changes in Azure.