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https://issues.apache.org/jira/browse/HUDI-917?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17538720#comment-17538720
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Hang HOU commented on HUDI-917:
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Hello, which version of HUDI you used in this case？
> Calculation of 'stats wa' need to be modified
> ---------------------------------------------
>
> Key: HUDI-917
> URL: https://issues.apache.org/jira/browse/HUDI-917
> Project: Apache Hudi
> Issue Type: Bug
> Components: cli
> Reporter: yaojingyi
> Priority: Major
> Attachments: image-2020-05-21-14-22-39-624.png
>
>
> 'Write Amplification Factor' = 'Total Written' / 'Total Upserted'
> 'Total Written' is always increase.
> 'Total Upserted' is not always increase. When the newest commit is insert new
> data,'Total Upserted' will be 0.
> It leads the result are not in line with our understanding.
>
> if I insert 3 times, update 1 times, then insert again(10 rows per time)
> 'stats wa ' result as follows:
> !image-2020-05-21-14-22-39-624.png!
>
> 'Total Written' need change to get the difference between adjacent commit.
> I found that the numsWrites always increase. It's the reason of this.
>
> I'll try to fix it.
>
>
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