Understanding and Optimizing Throughput in Azure Cosmos DB

When we make operations against our Cosmos Databases, we use something called Request Units (RU’s) which is what you use for throughput. If you’re writing an item to Cosmos, you spend RU’s. If you read an item in Cosmos, you’re spending RU’s. If you’re making a query in Cosmos, you get the idea. This is consistent no matter what API you’re using for your Cosmos account.

When we provision our containers and databases, we set the amount of RU’s that we want to reserve for capacity. This has to be sufficient enough to ensure that our…