[next gen on clould] pd metrics abnormal after simulated pd leader network partition

[Lily2025]

Bug Report

What did you do?

1、run workload
2、simulte pd leader network partition

What did you expect to see?

pd metric is normal

What did you see instead?

pd metrics abnormal after simulted pd leader network partition

What version of PD are you using (pd-server -V)?

sh-5.1# ./pd-server -V
Release Version: v9.0.0-beta.2.pre-103-g2d131a5
Edition: Enterprise
Kernel Type: Next Generation
Git Commit Hash: 2d131a5
Git Branch: HEAD
UTC Build Time: 2025-09-04 11:12:01

[Lily2025]

/severity major
/assign rleungx