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Posted to commits@hudi.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2022/06/09 14:42:00 UTC

[jira] [Updated] (HUDI-4214) repeat init writeSchema in every ExpressionPayload cause FGC frequent

     [ https://issues.apache.org/jira/browse/HUDI-4214?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated HUDI-4214:
---------------------------------
    Labels: pull-request-available  (was: )

> repeat init writeSchema in every ExpressionPayload cause FGC frequent
> ---------------------------------------------------------------------
>
>                 Key: HUDI-4214
>                 URL: https://issues.apache.org/jira/browse/HUDI-4214
>             Project: Apache Hudi
>          Issue Type: Improvement
>            Reporter: KnightChess
>            Assignee: KnightChess
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: image-2022-06-09-22-29-38-176.png, image-2022-06-09-22-32-19-753.png
>
>
> spark sql merge into a large amount of data, the executors fgc frequent when use ExpressionPayload
>  
> Default ExternallSpillMap memory size is 1G
> !image-2022-06-09-22-29-38-176.png!
>  
> far more than 1g in fact when running the task, ObjectSizeCalculator can't calculate the null size, writeSchema will repeat init in every income record when use
> !image-2022-06-09-22-32-19-753.png!
>  
>  



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