Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

• Deploy a cluster with tiflash
• Set profiles.default.init_thread_count_scale to 0 for tiflash
• Start tiflash

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

tiflash start successfully

3. What did you see instead (Required)

tiflash stuck at loading metadata

4. What is your TiFlash version? (Required)

nightly