Azure Cosmos DB is a globally distributed database with limitless elastic scale. To take advantage of elastic scale, you first need to choose a partition key. Kirill Gavrylyuk stops by Azure Friday to talk with Scott Hanselman about the choice of partition key, and how to use the new metrics charts to troubleshoot a poor partition key choice (e.g., "hot partitions"). For more information, see: Try Azure Cosmos DB How to partition and scale in Azure Cosmos DB (docs) Monitor Azure Cosmos DB requests, usage, and storage (docs) Request Units in Azure Cosmos DB (docs) Create a Free Account (Azure) Follow @SHanselman Follow @AzureFriday Follow @kirillg_msft