schema_version: 1
id: component-restart-during-query-cancellation
title: Component restart during query cancellation
status: draft
owner: codex
source: jira
environment:
  profile: stable-dedicated
  cluster_id: '1379661944646414117'
  cluster_type: dedicated
  tidb_version: v8.5.3
time_window:
  incident_at: '2026-08-25T05:12:00Z'
  allowed:
  - id: reported_incident_window
    start: '2026-08-25T05:10:00Z'
    end: '2026-08-25T05:15:00Z'
prompt:
  text: 请分析集群 1379661944646414117 在 2026-08-25T05:10:00Z 到 2026-08-25T05:15:00Z 的 TiDB 进程重启。现场存在被取消的查询和连接关闭，panic 栈涉及事务 rollback、session close、client connection close 以及 memory tracker。请判断真正的触发路径、影响，并给出修复建议。
tags:
- component-restart
- transaction
- query-cancel
case_tier: P0
cost_tier: medium
followup:
  scheduled_max_followups: 0
execution:
  acp_bash_timeout_s: 900