Bug Report
1. Describe the bug
when there are more than one TiFlash replicas, client-java always chooses the first TiFlash store
2. Minimal reproduce step (Required)
3. What did you see instead (Required)
4. What did you expect to see? (Required)
5. What are your Java Client and TiKV versions? (Required)
- Client Java: master
- TiKV: master