Cost of CosmosDB.

Request Units of CosmosDB is like fuel of your car. When you drive your car, it consumes fuel. Similarly, when you use CosmosDB the resources it consumes are measured in Request Units (RUs). You may drive your car on plain road, off-road or anywhere your car consumption is measured in fuel. Similarly, you may perform different actions on CosmosDB it could be a Read query or Write Query the amount of resources consumed is measured in RUs.

Each database operation will have a response header which tracks the number of RUs consumed by the database operation. The cost of your CosmosDB depends on the number of RUs being consumed by it.

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