Question

a developer manages an application that interacts with amazon rds. after observing slow performance with read queries, the developer implements amazon elasticache to update the cache immediately following the primary database update. what will be the result of this approach to caching?

Answer 1

Caching will slow performance of the read queries because the cache is updated when the cache cannot find the requested data.

What is RDS?

A distributed relational database service provided by Amazon Web Services is known as Amazon Relational Database Service (or Amazon RDS) (AWS).  It is a "cloud-based" web service created to make it easier to set up, manage, and scale a relational database for use in applications. Automatic management is used for administration tasks including patching the database software, backing up databases, and enabling point-in-time recovery. A single API call to the AWS control plane on demand can scale storage and compute resources. As part of the managed service, AWS does not provide an SSH connection to the underlying virtual machine. The AWS Management Console or the Amazon Cloud Watch API both provide performance data for Amazon RDS.

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