SAA-C03 · Question #506
A solutions architect needs to design a solution for a high performance computing (HPC) workload. The solution must include multiple Amazon EC2 instances. Each EC2 instance requires 10 Gbps of…
The correct answer is A. Place the EC2 instances in a single subnet of a VPC. Configure a cluster placement group. HPC workloads require high-throughput, low-latency networking, especially for tightly-coupled applications like weather modeling, genomics, or real-time rendering. A cluster placement group places instances in the same Availability Zone and on physically connected hardware…
Question
A solutions architect needs to design a solution for a high performance computing (HPC) workload. The solution must include multiple Amazon EC2 instances. Each EC2 instance requires 10 Gbps of bandwidth individually for single-flow traffic. The EC2 instances require an aggregate throughput of 100 Gbps of bandwidth across all EC2 instances. Communication between the EC2 instances must have low latency. Which solution will meet these requirements?
Options
- APlace the EC2 instances in a single subnet of a VPC. Configure a cluster placement group.
- BPlace the EC2 instances in multiple subnets in a single VPC. Configure a spread placement
- CPlace the EC2 instances in multiple VPCs. Use AWS Transit Gateway to route traffic between the
- DPlace the EC2 instances in multiple subnets across multiple Availability Zones. Configure a
How the community answered
(45 responses)- A80% (36)
- B11% (5)
- C2% (1)
- D7% (3)
Explanation
HPC workloads require high-throughput, low-latency networking, especially for tightly-coupled applications like weather modeling, genomics, or real-time rendering. A cluster placement group places instances in the same Availability Zone and on physically connected hardware, reducing network latency and increasing throughput. Elastic Fabric Adapter (EFA) is a network device for EC2 instances that enables low-latency, high- throughput networking using OS-bypass technology, ideal for tightly-coupled HPC applications. Each instance can support single-flow 10 Gbps bandwidth using EFA, and collectively, the cluster can achieve up to 100 Gbps aggregate throughput when properly This solution supports the Performance Efficiency and Resilience design principles and is a standard AWS-recommended pattern for HPC.
Community Discussion
No community discussion yet for this question.