Fly.io introduces Sprites, a new platform for creating Linux virtual machines that start up in seconds without relying on traditional container images. Sprites feature persistent storage and auto-sleep capabilities, making them efficient and easy to scale. The article outlines the key design decisions that led to this innovation.

AWS announced significant price reductions for the Amazon S3 Express One Zone storage class, effective April 10, 2025, including up to 85% off GET request prices and 60% off data upload and retrieval charges. Designed for high-performance workloads, S3 Express One Zone offers faster data access and supports a wide range of applications, enhancing both performance and cost efficiency for users. Customers have already reported improved performance and reduced costs using this storage solution.

Optimizing network and storage configurations is crucial for efficient large-scale LLM training on the cloud, as these factors can significantly impact training speed and costs. Benchmarks show that using InfiniBand networking can achieve a 10x speedup over standard Ethernet, while selecting the right storage options can further enhance performance during training phases. The article discusses specific configurations and their implications for maximizing GPU utilization and minimizing bottlenecks.