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Run Spark 31% faster and optimize compute costs with Amazon S3 Express One Zone on Amazon EMR

calendar_today September 3, 2026 person Suthan Phillips domain aws-s3

As your Spark datasets grow, storage latency often becomes the constraint, impeding application performance. Query runtimes stretch, and the bottleneck shifts from compute to how fast each node can read from Amazon Simple Storage Service (Amazon S3). We benchmarked this directly on Amazon EMR with TPC-DS at 3 TB scale.

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