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https://issues.apache.org/jira/browse/FLINK-21527?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jark Wu closed FLINK-21527.
---------------------------
    Resolution: Not A Problem

>From my point of view, 2048 bytes is not very large and shouldn't be a 
>problem. 

> fromValues function cost enormous network buffer
> ------------------------------------------------
>
>                 Key: FLINK-21527
>                 URL: https://issues.apache.org/jira/browse/FLINK-21527
>             Project: Flink
>          Issue Type: Bug
>          Components: Table SQL / API
>    Affects Versions: 1.12.1
>            Reporter: Spongebob
>            Priority: Major
>              Labels: stale-major
>         Attachments: image-2021-03-01-11-37-25-416.png
>
>
> When using fromValues to build a Table object, flink will cost enormous 
> network buffer, even less than 100k raw data will cost exceed 2048 network 
> memory buffer.



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