If cost is what you prefer to optimize, then BEST_FIT_PROGRESSIVE is an option to consider. Furthermore, you’ll still benefit from the savings provided by EC2 Spot. SPOT_CAPACITY_OPTIMIZED is recommended if interruptions are a concern. In the case of SPOT_CAPACITY_OPTIMIZED, AWS Batch selects instances from the deepest EC2 Spot capacity pools. With BEST_FIT, AWS Batch picks the most cost-efficient EC2 instance, with BEST_FIT_PROGRESSIVE AWS Batch will launch additional instances in the event the BEST_FIT instance cannot fulfill all needed capacity. You will find below additional information on how this can be applied in the context of AWS Batch: The Amazon EC2 Spot best practices provides general guidance on how to take advantage of this purchasing model. Using EC2 Spot smartly to optimize your costsĪmazon EC2 Spot is commonly used by customers running batch workloads due to the cost savings it provides and which can attain up to 90% compared to On-Demand Instances prices. The readers will learn how to optimize their costs with Amazon EC2 Spot on AWS Batch, how to troubleshoot their architecture should an issue arise and how to tune their architecture and containers layout to run at scale. In this blog post, we share a set of best practices and practical guidance devised from our experience working with customers in running and optimizing their computational workloads. Since launch in 2017, AWS Batch has been adopted by customers from diverse industries and institutions to run workloads in domains as diverse as epidemiology, gaming simulations, and large-scale machine learning. Update: – We updated some guidance on subnet CIDR blocks in section 2 on common errors.ĪWS Batch is a service that enables scientists and engineers to run computational workloads at virtually any scale without requiring them to manage a complex architecture. This post contributed by Pierre-Yves Aquilanti, Principal HPC Solutions Architect, Steve Kendrex, Principal Product Manager for AWS Batch, and Matt Koop, Principal HPC Application Engineer.
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