AWS Compute Optimizer Extends 14-day Lookback Period to 32 Days for Better Rightsizing

Compute Optimizer increased data analysis window to 32 days for more accurate Amazon EBS volume and ECS service optimization recommendations.

By Elena Parker · Editorial pseudonym · 2026-06-03 · 1 min read

AI-ASSISTED REPORTING · RETROSPECTIVE ARCHIVE

Retrospective edition: 2026-06-03. Source published: 2026-06-03. Added to this archive: 2026-11-03. This briefing was prepared later from the linked announcement; it was not published on this website on the historical edition date.

AWS Compute Optimizer enhanced its rightsizing recommendation capabilities for Amazon EBS volumes and Amazon ECS services by extending the lookback period from 14 to 32 days at no extra cost. This longer period better captures monthly utilization patterns such as month-end processing, improving recommendation quality.

The feature allows configuration at various levels including organization, account, and resource via multiple interfaces and is available in all applicable AWS regions except GovCloud and China. This extension aligns EBS and ECS rightsizing lookbacks with those already supported for EC2 instances, RDS databases, and Auto Scaling groups.

Source & further reading

AWS Compute Optimizer now supports 32-day lookback for EBS volume and ECS service rightsizing recommendations ↗

Source published 2026-06-03. This report was prepared with AI assistance from the linked primary-source material. Claims and limitations should be checked against the original announcement or research.