Note:
This topic has been translated from a Chinese forum by GPT and might contain errors.
Original topic: tidb用无法查询了,有些节点间断掉
[TiDB Usage Environment] Production Environment
[TiDB Version] v5.0.1
[Reproduction Path]
[Encountered Problem: Phenomenon and Impact] Unable to query, but can write
[Resource Configuration] 64 core 128 memory * 3
[Attachments: Screenshots/Logs/Monitoring]
Your entire system is down. Manually start TiKV.
It has already started, this is a screenshot of an exception.
The log error indicates that it cannot connect to TiKV. I see that you haven’t started any TiKV instances, so this error is expected. Check the TiKV log to see what errors are reported.
Create a diagram to show the current status of the node.
How to do it, where to get it?
Display the current status.
Did all the TiKV nodes go down?
The image you provided is not accessible. Please provide the text you need translated.
Are you taking the TiKV offline?
Can it be queried currently?
Go to the dashboard to check resource usage.
Often can’t connect, been using the code for years, only today it’s like this.
Where should I click to view?