Hi community,

When using DataFrameReader to read parquet files located on s3, there is no
way to disable file existence checks done by the driver.

My use case is that I have a spark job reading list of s3 files generated
by an upstream job. This list can contain thousands of files.

The process is multi-threaded thanks to
https://issues.apache.org/jira/browse/SPARK-29089 but is redundant in my
case as the upstream job already verified files.

Would it make sense to add an option to control it?

Thanks,
Romain Ardiet

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