schema_version: 1
id: service-degradation-during-incident-window
title: Service degradation investigation
status: active
owner: claude-code
environment:
  profile: stable-dedicated
  cluster_id: '10322500445237050222'
  cluster_type: dedicated
  tidb_version: v8.1.2
time_window:
  incident_at: '2026-04-07T09:47:00Z'
  allowed:
  - id: workspace_observed_window
    start: '2026-04-07T08:47:00Z'
    end: '2026-04-07T10:42:00Z'
prompt:
  text: 请帮我分析集群 10322500445237050222 在 2026-04-07T08:47:00Z 到 2026-04-07T10:42:00Z 这个时间窗内发生了什么。业务侧反馈 17:47 左右出现明显高延迟和接近不可用，请判断最可能的根因，并给出关键证据链、影响判断和处理建议。
tags:
- high-cpu
- high-latency
case_tier: P0
cost_tier: low
followup:
  scheduled_max_followups: 0