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You have deployed multiple EC2 instances across multiple availability zones to run your website. You have also deployed a Multi-AZ RDS MySQL Extra Large DB Instance. The site performs a high number of small read and write operations per second. After some time, you observed that there is read contention on RDS MySQL. What would be your approach to resolve the contention and optimize your website?

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We can deploy ElastiCache in memory cache running in every availability zone. This will help in creating a cached version of the website for faster access in each availability zone. We can also add RDS MySQL read replica in each availability zone that can help in efficient and better performance for read operations. So, there will not be any increased workload on RDS MySQL instance, hence resolving the contention issue.

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