shahidki31 commented on issue #24715: [SPARK-25474][SQL] Data source tables support fallback to HDFS for size estimation URL: https://github.com/apache/spark/pull/24715#issuecomment-523773058 ``` scala> // enable fallBackToHdfs scala> spark.sql("set spark.sql.statistics.fallBackToHdfs=true") res4: org.apache.spark.sql.DataFrame = [key: string, value: string] scala> spark.sql("EXPLAIN COST SELECT * FROM t3").show(false) +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ |plan | +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ |== Optimized Logical Plan == Relation[c2#1,id#2] parquet, Statistics(sizeInBytes=8.0 EiB) ``` Why is sizeInBytes still 8 EiB, even after enabling the fallback configuration?
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