Azure Cosmos DB is a blazing fast, globally distributed, multi-model database service. In this article, we will further explore stream processing of updates to data with Azure Cosmos DB change feed and Apache Spark.

To help you build powerful applications on top of Cosmos DB, we built change feed support, which provides a sorted list of documents within a collection in the order in which they were modified. Now, to address scalability while preserving simplicity of use, we introduce the Cosmos DB Change Feed Processor Library. In this blog, we look at when and how you should use Change Feed Processor Library.