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https://issues.apache.org/jira/browse/SPARK-39715?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Maple updated SPARK-39715:
--------------------------
    Description: 
I run this sql 

*select * from cm_dw.dwd_client_install where proc_date=20220707;*

and then see the SQL page , it shows  the file size read: 2.1MB,it is right,the 
file on my storage is 2.1M ,

but on states tab it shows input size:4.3MB, I dont kown why it is not equal 
2.1MB.

and I run this sql in spark 2.3.4, it is right

*!1.png!*

 

!2.png!

 

  was:
I run this sql 

*select * from cm_dw.dwd_client_install where proc_date=20220707;*

and then see the SQL page , it shows  the file size read: 2.1MB,it is right,the 
file on my storage is 2.1M ,

but on states tab it shows input size:4.3MB, I dont kown why it is not equal 
2.1MB

*!1.png!*

 

!2.png!

 


> spark UI about file size read
> -----------------------------
>
>                 Key: SPARK-39715
>                 URL: https://issues.apache.org/jira/browse/SPARK-39715
>             Project: Spark
>          Issue Type: Bug
>          Components: Input/Output
>    Affects Versions: 3.2.1
>            Reporter: Maple
>            Priority: Minor
>         Attachments: 1.png, 2.png
>
>
> I run this sql 
> *select * from cm_dw.dwd_client_install where proc_date=20220707;*
> and then see the SQL page , it shows  the file size read: 2.1MB,it is 
> right,the file on my storage is 2.1M ,
> but on states tab it shows input size:4.3MB, I dont kown why it is not equal 
> 2.1MB.
> and I run this sql in spark 2.3.4, it is right
> *!1.png!*
>  
> !2.png!
>  



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