Alibaba Cloud Elasticsearch Instance Diagnosis Collect signals from Alibaba Cloud OpenAPI (control plane) and the Elasticsearch REST API (data plane) , combine them with the SOP knowledge base under , and produce root-cause analysis , an evidence chain , prioritized remediation guidance , and—when multiple dimensions fire—a recency-ordered incident timeline (severity vs time in window; see Timeline and recency (MUST) in §5 Step 4). Architecture : Alibaba Cloud Elasticsearch OpenAPI + Alibaba CloudMonitor (CMS) + Elasticsearch REST API + diagnostic SOPs Closure : If MUST applies and is set, fi…