Learn how to reduce downtime for scaling exercises with minimal operational overhead using Amazon RDS Proxy for the AWS SAA-C03 Exam. Understand the benefits of maintaining application connections through the proxy during failovers.
Table of Contents
Question
A solutions architect is reviewing the resilience of an application. The solutions architect notices that a database administrator recently failed over the application’s Amazon Aurora PostgreSQL database writer instance as part of a scaling exercise. The failover resulted in 3 minutes of downtime for the application.
Which solution will reduce the downtime for scaling exercises with the LEAST operational overhead?
A. Create more Aurora PostgreSQL read replicas in the cluster to handle the load during failover.
B. Set up a secondary Aurora PostgreSQL cluster in the same AWS Region. During failover, update the application to use the secondary cluster’s writer endpoint.
C. Create an Amazon ElastiCache for Memcached cluster to handle the load during failover.
D. Set up an Amazon RDS proxy for the database. Update the application to use the proxy endpoint.
Answer
D. Set up an Amazon RDS proxy for the database. Update the application to use the proxy endpoint.
Explanation
This approach allows the application to maintain its connections through the proxy during failovers, reducing downtime.
Amazon AWS Certified Solutions Architect – Associate SAA-C03 certification exam practice question and answer (Q&A) dump with detail explanation and reference available free, helpful to pass the Amazon AWS Certified Solutions Architect – Associate SAA-C03 exam and earn Amazon AWS Certified Solutions Architect – Associate SAA-C03 certification.