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Amazon EMR Serverless now supports larger worker sizes to run more compute and memory intensive workloads

calendar_today July 7, 2026 person aws@amazon.com domain amazon-q

Amazon EMR Serverless now offers larger worker configurations of 32 vCPUs with up to 244 GB of memory, allowing you to run more compute and memory-intensive workloads. Previously, the largest worker configuration available on EMR Serverless was 16 vCPUs with up to 120 GB of memory. Larger workers can help you improve the runtime performance as well as cost profiles for your workloads.

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