What does the variable "Failed Query" mean in TiDB monitoring?

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

Original topic: TIDB监控中这中variable Failed Query是什么意思

| username: heeewei

[TiDB Usage Environment] Production Environment / Testing / PoC
[TiDB Version] 6.5.0
As shown in the picture, what type of error is this variable, and how can it be avoided?

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| username: caiyfc | Original post link

Put the error fields and code into the log search in the dashboard, you should be able to find the specific error SQL.

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| username: redgame | Original post link

The “variable” in “Failed Query” does not refer to a specific error type; it simply indicates that there is an issue with a certain variable during the query process, causing the query to fail.

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| username: system | Original post link

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