A company wants to run high performance computing (HPC) workloads on AWS for financial risk modeling. The workloads run on Linux, use hundreds of Amazon EC2 Spot Instances, are short-lived, and generate thousands of output files that must be stored persistently for analytics and future use. The company needs a cloud storage solution that allows copying on-premises data to long-term persistent storage accessible to all EC2 instances, and a high-performance file system integrated with persistent storage for reading and writing datasets and outputs. Which combination of AWS services meets these requirements?
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Correct answer: Amazon FSx for Lustre integrated with Amazon S3.
Why this is the answer
Amazon FSx for Lustre integrated with Amazon S3 is the correct choice because FSx for Lustre is a high-performance file system optimized for HPC workloads, offering sub-millisecond latencies and high throughput. Its native integration with Amazon S3 allows it to act as a high-performance cache for S3 data, making it ideal for reading large datasets and writing thousands of output files persistently to S3. The short-lived Spot Instances can leverage FSx for Lustre for fast processing and S3 for long-term storage. FSx for Windows File Server is designed for Windows-based applications and SMB protocols, not Linux HPC. Amazon S3 Glacier is for archival storage, not high-performance file system access. An S3 bucket with a VPC endpoint integrated with EBS gp2 would not provide the shared, high-performance file system required for multiple EC2 instances in an HPC environment. EBS volumes are block storage attached to a single instance, not a shared file system.
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