RDS

May 2, 2026 Alibaba Cloud Full Stack 64 min read

Alibaba Cloud Full Stack (5): RDS and PolarDB — The Database Layer

RDS MySQL vs PolarDB: when to use which. Instance sizing, read replicas, proxy endpoints, backup/restore, monitoring, slow query analysis. Build a production database with HA and read scaling.

Mar 20, 2026 Terraform Agents 32 min read

Terraform for AI Agents (5): Storage — Vector, Relational, and Object Memory

An agent has three kinds of memory and they map onto three Aliyun services: PolarDB/RDS for sessions, OpenSearch (vector edition) or pgvector for embeddings, OSS for artifacts. Real Terraform for each, plus the lifecycle …