Strange Slow Query Times

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

Original topic: 奇怪的慢查询的时间

| username: 快乐的非鱼

[TiDB Usage Environment] Production Environment / Testing / PoC
[TiDB Version]
[Reproduction Path] What operations were performed that led to the issue
[Encountered Issue: Problem Phenomenon and Impact]
[Resource Configuration]
[Attachments: Screenshots / Logs / Monitoring] Checked the slow query SQL in the dashboard, but couldn’t see where the time was spent in the statistics below

| username: tidb菜鸟一只 | Original post link

Take a look at Coprocessor reads and transactions.

| username: 快乐的非鱼 | Original post link

All are 0

| username: xfworld | Original post link

DDL operations!!!

Refer to these:

| username: tidb菜鸟一只 | Original post link

I haven’t looked closely, but if it’s a DDL operation, then there’s nothing much to see on the dashboard.

| username: system | Original post link

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