Summary
In this chapter, we have learned about Trusted Advisor and used it to help identify security configuration problems, wrongly sized RDS instances, and RDS servers that need to be patched. We then looked at some best practices for troubleshooting RDS, DynamoDB, and other AWS-managed databases, including how to use the database logs, CloudWatch, CloudTrail, and AWS Health Dashboard to identify problems. Finally, we looked at how you can resolve some common problems and error messages from AWS-managed databases.
The AWS Certified Database – Specialty exam will have many questions about troubleshooting errors with connectivity, storage issues, performance bottlenecks, and excessive costs, so being able to understand best-practice methods to diagnose and resolve them will greatly improve your chances of success in the exam.
In the next chapter, we will be completing a practice exam so that you can learn the style of the AWS exam questions. You will also be able to note...
