TiFlash Overall Abnormal for Three Consecutive Days, Error Report Approximately

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

Original topic: 连续三天出现tiflash整体异常,报错大概为

| username: Running

I can’t view images directly. Please provide the text you need translated.

| username: wluckdog | Original post link

What TiDB version?

| username: Running | Original post link

Version: 7.5.0
Issue:
The TiFlash engine always encounters the issue of not being able to find the physical table at around 2 AM.

| username: Running | Original post link

7.5.0

| username: Running | Original post link

I have posted the detailed log in the group. Could you please take a look?

| username: 江湖故人 | Original post link

Can’t the log screenshot be placed here?

| username: wangccsy | Original post link

The logs are quite messy, what exactly is the error?

| username: tidb菜鸟一只 | Original post link

There might be an issue with the TiFlash replica of a certain table. It is recommended to locate the corresponding table and remove the TiFlash replica first.

| username: Jellybean | Original post link

Can the business SQL access be executed normally when this problem occurs?

| username: zhanggame1 | Original post link

Can you provide the original log file?

| username: Kongdom | Original post link

2 AM? Is there any daily settlement work at 2 AM?

| username: 随缘天空 | Original post link

Judging by the error, it seems that the physical database or table no longer exists. Check if the database has already been deleted.

| username: dba远航 | Original post link

Failed to retrieve table and database metadata, check if TIKV and PD are functioning properly.