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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