TiFlash suddenly stopped working

Note:
This topic has been translated from a Chinese forum by GPT and might contain errors.

Original topic: tiflash 突然不能用了

| username: Running

Originally, the progress was all 1 and everything was working fine. Suddenly this happened this morning. How should I resolve this, experts?

| username: WalterWj | Original post link

Use pd-ctl to check if the placement rules are normal. If everything is normal and you have a TiFlash replica, you should be able to see the group ID for TiFlash in this area.

| username: dba远航 | Original post link

It feels like the application of the learner log is abnormal.