Azure Cosmos DB API for Spark and etcd

Azure Cosmos DB, a globally distributed multi-model database service, now offers APIs for Apache Spark and for etcd, a distributed key-value store designed to securely store data across a cluster. These updates bolster the abilities of Cosmos DB users to build and manage operational analytics workloads that run in real time over globally distributed data. Read [blog ](https://azure.microsoft.com/en-us/blog/planet-scale-operational-analytics-and-ai-with-azure-cosmos-db/)| See documentation for [Spark API](https://aka.ms/SparkAPI) | See documentation for [etcd API](https://aka.ms/EtcdAPI) * Azure Cosmos DB * Features * [ Azure Cosmos DB](https://azure.microsoft.com/en-gb/products/cosmos-db/)