Elastic Compute Cloud
Your company is planning on using the EMR service available in AWS for running their big data framework and wants to minimize the cost for running the EMR service. Which of the following could help achieve this?
A. Running the EMR cluster in a dedicated VPC
B. Choosing Spot Instances for the underlying nodes
C. Choosing On-Demand Instances for the underlying nodes
D. Disable automated backups
B. Choosing Spot Instances for the underlying nodes
AWS Documentation mentions the following:
Spot Instances in Amazon EMR provide an option to purchase Amazon EC2 instance capacity at a reduced cost as compared to On-Demand purchasing.
For more information on Instance types for EMR, please visit the URL:
https://docs.aws.amazon.com/emr/latest/ManagementGuide/emr-instance-purchasing-options.htmlhttps://docs.aws.amazon.com/emr/latest/ManagementGuide/emr-plan-instances-guidelines.html