Amazon Cloud Developers

Feb 13, 2026 · Big Data

How EMR Serverless Storage Cuts Costs up to 55% for Shuffle‑Heavy Spark Jobs

A performance comparison of Amazon EMR Serverless Storage on a 3 TB TPC‑DS benchmark shows up to 55 % cost reduction and 25 % faster runtimes for shuffle‑intensive Spark jobs, while outlining usage limits and providing Python tools to analyze shuffle data from Spark event logs.