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Posted to issues@spark.apache.org by "Zhenglin luo (Jira)" <ji...@apache.org> on 2021/01/06 07:46:00 UTC

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

Zhenglin luo created SPARK-34024:
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             Summary: 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


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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