Why is there a memory inconsistency in TiDB Dashboard cluster information and monitoring metrics?

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

Original topic: TIDB Dashboard 集群信息与监控指标中内存不一致是为什么?

| username: SummerGu

[TiDB Usage Environment] Production Environment
[TiDB Version] V7.5.1

Why is there a discrepancy between the cluster information and the monitoring metrics regarding memory?

| username: SummerGu | Original post link

Is the first image only showing TiDB’s usage?