palaniappan p 2 min
AWS Rightsizing with Compute Optimizer: 32-Day Lookback, Performance Risk, and the Order of Operations (2026)
Compute Optimizer added 32-day lookback for cyclic workloads in 2025 — critical for monthly batch jobs that looked oversized on 14-day windows. In a June 2026 audit of a $48k/mo account, rightsizing recommendations alone modeled $11k/mo savings at low performance risk.