AWS Certified CloudOps Engineer Associate SOA-C03 Practice Question
During migration of a genomics analysis pipeline, a research team launches hundreds of Amazon EC2 Linux Spot instances for several hours. The workload reads large datasets from an Amazon S3 bucket, needs a POSIX-compliant shared file system that provides over 100 GB/s aggregate throughput with sub-millisecond latency, and must write results back to the same bucket. Which shared storage solution meets these performance requirements at the lowest cost?
Provision an Amazon EFS file system in Provisioned Throughput mode and enable Lifecycle Management to reduce storage cost.
Deploy an Amazon FSx for Windows File Server Multi-AZ file system with SSD storage and mount it on the EC2 instances.
Create an Amazon FSx for Lustre file system linked to the S3 bucket and delete the file system after each pipeline execution.
Stripe multiple Amazon EBS gp3 volumes in RAID 0 on one EC2 instance and export the file system over NFS to the fleet.
Amazon FSx for Lustre is purpose-built for high-performance compute workloads. A file system linked to an S3 bucket can deliver hundreds of gigabytes per second of throughput and sub-millisecond latencies, while transparently synchronizing data to and from S3. Because the pipeline is short-lived, the team can delete the file system after each run and pay only for the hours used.
Amazon EFS, even in its latest throughput modes, maxes out at tens of gigabytes per second and cannot reach the required 100 GB/s. Amazon FSx for Windows File Server provides SMB rather than POSIX semantics and is optimized for Windows workloads, not large-scale HPC throughput. Sharing RAID-0 EBS volumes over NFS from a single instance creates a performance bottleneck, lacks the required aggregate throughput, and introduces a single point of failure.
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What is Amazon FSx for Lustre and why is it suitable for high-performance compute workloads?
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How does linking an FSx for Lustre file system with an Amazon S3 bucket work, and what are the benefits?
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Why is Amazon EFS or other listed storage solutions not suitable for this workload?
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AWS Certified CloudOps Engineer Associate SOA-C03
Monitoring, Logging, Analysis, Remediation, and Performance Optimization
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