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Amazon S3 Express One Zone now supports request metrics in Amazon CloudWatch

Published
March 31, 2026
https://aws.amazon.com/about-aws/whats-new/2026/03/s3-express-one-zone-cloudwatch-request-metrics/

Amazon S3 Express One Zone

Amazon S3 Express One Zone now supports request metrics in Amazon CloudWatch, allowing you to track performance and monitor the operational health of applications using this high-performance S3 storage class for latency-sensitive applications.

  • New Feature: Request metrics in CloudWatch for S3 Express One Zone
  • Metrics: Request counts, data transfer volumes, error rates, and latency measurements at minute-level granularity
  • Availability: Available in all AWS Regions where the storage class is available

What to do

  • Use CloudWatch to monitor request metrics for S3 Express One Zone
  • Check the S3 Express One Zone overview page and documentation for more information

Source: AWS release notes




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