OpenMLDB got segmentatation fault under pressure test

**Bug Description**
Under pressure， OpenMLDB tablet got segmentation fault randomly.

<img width="1439" alt="image" src="https://github.com/user-attachments/assets/960943a7-bb08-4ac5-bc71-fb1543a52302">



**Expected Behavior**


**Relation Case**



**Steps to Reproduce**

1. client with 32 concurrancy run continously
2. 1 tablet, 1 nameserver
3. 
4. 