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Posted to issues@spark.apache.org by "Jacek Laskowski (Jira)" <ji...@apache.org> on 2021/01/06 19:14:00 UTC

[jira] [Resolved] (SPARK-34024) datasourceV1 VS dataSourceV2

     [ https://issues.apache.org/jira/browse/SPARK-34024?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jacek Laskowski resolved SPARK-34024.
-------------------------------------
    Resolution: Invalid

Please post questions to the user@spark.apache.org mailing list or on StackOverflow at https://stackoverflow.com/questions/tagged/apache-spark

> datasourceV1 VS  dataSourceV2 
> ------------------------------
>
>                 Key: SPARK-34024
>                 URL: https://issues.apache.org/jira/browse/SPARK-34024
>             Project: Spark
>          Issue Type: Question
>          Components: Input/Output
>    Affects Versions: 3.0.0
>            Reporter: Zhenglin luo
>            Priority: Critical
>
> I found that DataSourceV2 has been through many versions .So why hasn't datasourceV2 been used by default until now in the latest version.I want to know if it’s because there is a big difference in execution efficiency between v1 and v2. Or there are other reasons.
> Thanks a lot



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