Azure Analysis Services scale-out improvement

Synchronisation of query replicas in Azure Analysis Services scale-out environments now uses an optimised copy API, which significantly reduces synchronisation time on average. The new behaviour applies to synchronisation operations by default. Scale-out in Azure Analysis Services enables client query distribution across query replicas, reducing response times for high-concurrency workloads. Query replica synchronisation copies the data files to a blob storage location dedicated to the query replica instances (separate from the primary-instance location). [Learn more about Azure Analysis Services scale-out](https://aka.ms/AASScaleOut) \> * Azure Analysis Services * Features * Management * Services * [ Azure Analysis Services](https://azure.microsoft.com/en-gb/products/analysis-services/)