tag

#lambda

2 posts

SRE & DevOpsDeep Dive October 4, 2026 7 min read

AWS Lambda Concurrency: Capacity Reservations, Cold Starts, and Throttling

Size Lambda concurrency from measured duration and demand, distinguish reserved from provisioned capacity, and diagnose throttles with the right metrics.

#aws#lambda#serverless

SRE & DevOpsDeep Dive October 4, 2026 7 min read

AWS Secrets Manager Rotation: Idempotent Stages and Safe Credential Cutover

Operate Secrets Manager rotation through AWSPENDING tests and AWSCURRENT promotion, handling retries, dual-user strategies, network access, and audit evidence.

#aws#secrets-manager#credentials