An Application Ingests a Large Number of Small Messages and Stores

question 227

Multiple Choice

An application ingests a large number of small messages and stores them in a database. The application uses AWS Lambda. A Development team is making changes to the application's processing logic. In testing, it is taking more than 15 minutes to process each message. The team is concerned the current backend may time out. Which changes should be made to the backend system to ensure each message is processed in the MOST scalable way?

• A) Add the messages to an Amazon SQS queue. Set up and Amazon EC2 instance to poll the queue and process messages as they arrive.
• B) Add the messages to an Amazon SQS queue. Set up Amazon EC2 instances in an Auto Scaling group to poll the queue and process the messages as they arrive.
• C) Create a support ticket to increase the Lambda timeout to 60 minutes to allow for increased processing time.
• D) Change the application to directly insert the body of the message into an Amazon RDS database.

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Definitions:

Arthrocentesis

A medical procedure to collect synovial fluid from a joint capsule using a needle for diagnostic or therapeutic purposes.

Arthroscopy

A minimally invasive surgical procedure on a joint in which examination and sometimes treatment of damage is performed using an arthroscope.

Arthroplasty

Surgical reconstruction or replacement of a joint.

Arthralgia

Pain in a joint.