pingcap / pingcap/tidb

The REGION_SIZE in the TIKV_STORE_STATUS table is incorrect

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#53,957 0 comments 0 reactions 0 assignees View on GitHub
component/tikv severity/moderate type/bug
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Description

## Bug Report
![image](https://github.com/pingcap/tidb/assets/81623565/328bf06b-d37d-4302-8d7f-18be59160844)
TIKV_STORE_STATUS 表中显示REGION_SIZE:1107349(MB), 也就是1107GB,
而实际磁盘占用为:
![image](https://github.com/pingcap/tidb/assets/81623565/43c6c22a-1b4e-4b64-8df1-3b26611bf13b)
210GB - 71GB(space_placeholder_file) = 130+GB

Grafana显示为140GB
![image](https://github.com/pingcap/tidb/assets/81623565/83192d5d-3b72-41b3-ab22-f09d4dc035ab)

Please answer these questions before submitting your issue. Thanks!

### 1. Minimal reproduce step (Required)

### 2. What did you expect to see? (Required)

### 3. What did you see instead (Required)

### 4. What is your TiDB version? (Required)
7.5.1

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