Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

create a lot of tables in a TiDB cluster (maybe more than 100k).

2. What did you expect to see? (Required)

uptime in grafana panel is correct.

3. What did you see instead (Required)

uptime is incorrect, keep as 8 minutes as time goes by.

4. What is your TiFlash version? (Required)

v6.1.0