Chen Ding

improve the revision check in upgrader

8

## Bug Report **What version of Kubernetes are you using?** v1.19 **What version of TiDB Operator are you using?** from master **What storage classes exist in the Kubernetes cluster and...

## Feature Request **Is your feature request related to a problem? Please describe:** currently the profiling files are stored in `/tmp` folder https://github.com/pingcap/tidb-dashboard/blob/v2023.07.05.1/pkg/apiserver/profiling/pprof.go#L61, which is cleared when pod restarts **Describe...