schema_version: 1
id: cpu-spike-during-incident-window
title: CPU spike investigation
status: active
owner: claude-code
environment:
  profile: stable-dedicated
  cluster_id: '10518506906906971664'
  cluster_type: dedicated
  tidb_version: v8.5.4
time_window:
  incident_at: '2026-04-07T22:00:00Z'
  allowed:
  - id: workspace_observed_window
    start: '2026-04-07T22:00:00Z'
    end: '2026-04-08T01:30:00Z'
prompt:
  text: 请帮我分析集群 10518506906906971664 在 2026-04-07T22:00:00Z 到 2026-04-08T01:30:00Z 这个时间窗内的 CPU 异常升高现象。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
- performance-regression
- cross-period-comparison
case_tier: P0
cost_tier: low
followup:
  scheduled_max_followups: 0
execution:
  acp_bash_timeout_s: 300