Saving Thousands by Running ScyllaDB on EC2 Spot Instances

Phillip Tribble's blog post explores the synergy between ScyllaDB, a high-performance NoSQL database, and AWS EC2 Spot Instances managed by SpotInst's Elastigroup, highlighting both performance and cost benefits. ScyllaDB, known for its compatibility with Apache Cassandra, leverages C++ and the Seastar framework to outperform Cassandra significantly in throughput and latency. The article discusses the challenges of maintaining stateful services with spot instances due to their potential for abrupt termination, which is mitigated by Elastigroup's predictive algorithms and stateful features that ensure service continuity by preserving IP addresses, data volumes, and configurations. The post also details the configuration of ScyllaDB clusters across multiple data centers and racks to enhance data availability and reliability, using SpotInst's features to seamlessly handle spot market fluctuations. The blog emphasizes that this approach offers a robust combination of performance optimization and cost reduction, inviting readers to explore a free trial of the SpotInst platform.