Github user watermen commented on a diff in the pull request:
https://github.com/apache/spark/pull/8125#discussion_r36853515
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/TableReader.scala ---
@@ -283,7 +284,7 @@ class HadoopTableReader(
_minSplitsPerRDD)
// Only take the value (skip the key) because Hive works only with
values.
- rdd.map(_._2)
+ CombineSmallFile.combineWithPath(rdd, sc, path).map(_._2)
--- End diff --
What about the default value of `spark.sql.small.file.combine` is false,
and when user find there're many small files in table, `set
spark.sql.small.file.partition.number=x` instead of calculate the partitionNum.
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