tidb OOM during lighting executing analyze with simulating pd leader io delay
- Dominant language
- Go
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Description
## Bug Report
Please answer these questions before submitting your issue. Thanks!
### 1. Minimal reproduce step (Required)
1、run lighting import
2、simulate pd leader io delay
### 2. What did you expect to see? (Required)
no oom
### 3. What did you see instead (Required)
tidb oom during lighting import with simulating pd leader io delay
### 4. What is your TiDB version? (Required)
./tidb-server -V
Release Version: v9.0.0-beta.1.pre-850-ge7b038b
Edition: Community
Git Commit Hash: e7b038b99132d1cea74bd73b0d3cb9cc3e914515
Git Branch: HEAD
UTC Build Time: 2025-05-31 02:26:22
GoVersion: go1.23.9
Race Enabled: false
Check Table Before Drop: false
Store: unistore
./tidb-lightning -V
Release Version: v9.0.0-beta.1.pre-850-ge7b038b
Git Commit Hash: e7b038b99132d1cea74bd73b0d3cb9cc3e914515
Git Branch: HEAD
Go Version: go1.23.9
UTC Build Time: 2025-05-31 02:28:42
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