Hi Fatma. The article says:

"The Delta cache works for all Parquet files and is not limited to Delta Lake format files. The Delta cache supports reading Parquet files in .... ...... It does not support other storage formats such as CSV, JSON, and ORC.

I am copying tif files from a Azure Data Lake Storage Gen2 to the /dbfs/ usin dbutils.fs.cp command. So I don't think that the article is relevant is it?