DynamoDB – MapReduce Amazon”s Elastic MapReduce (EMR) allows you to quickly and efficiently process big data. EMR runs Apache Hadoop on EC2 instances, but simplifies the process. You utilize Apache to query map reduce job flows through , a query language resembling SQL. Apache Hive serves as a way to optimize queries and your applications. […]
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DynamoDB – Aggregation DynamoDB does not provide aggregation functions. You must make creative use of queries, scans, indices, and assorted tools to perform these tasks. In all this, the throughput expense of queries/scans in these operations can be heavy. You also have the option to use libraries and other tools for your preferred DynamoDB coding […]
DynamoDB – Web Identity Federation Web Identity Federation allows you to simplify authentication and authorization for large user groups. You can skip the creation of individual accounts, and require users to login to an identity provider to get temporary credentials or tokens. It uses AWS Security Token Service (STS) to manage credentials. Applications use these […]