Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

1. Deploy a cluster with tiflash and enable debug level logging
2. Load a dataset with 1m vector data
3. Add vector index and wait

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

3. What did you see instead (Required)

There are too much useless debug level logging when adding vector index

4. What is your TiFlash version? (Required)

v8.5.1