AWS Big Data Blog
Category: AWS Systems Manager
Securing access to EMR clusters using AWS Systems Manager
Organizations need to secure infrastructure when enabling access to engineers to build applications. Opening SSH inbound ports on instances to enable engineer access introduces the risk of a malicious entity running unauthorized commands. Using a Bastion host or jump server is a common approach used to allow engineer access to Amazon EMR cluster instances by […]
How to retain system tables’ data spanning multiple Amazon Redshift clusters and run cross-cluster diagnostic queries
In this blog post, I present a solution that exports system tables from multiple Amazon Redshift clusters into an Amazon S3 bucket. This solution is serverless, and you can schedule it as frequently as every five minutes. The AWS CloudFormation deployment template that I provide automates the solution setup in your environment. The system tables’ data in the Amazon S3 bucket is partitioned by cluster name and query execution date to enable efficient joins in cross-cluster diagnostic queries.