Github user chenghao-intel commented on a diff in the pull request:
https://github.com/apache/spark/pull/5630#discussion_r29310766
--- Diff: sql/core/src/main/scala/org/apache/spark/sql/SQLConf.scala ---
@@ -36,6 +36,8 @@ private[spark] object SQLConf {
val PARQUET_INT96_AS_TIMESTAMP = "spark.sql.parquet.int96AsTimestamp"
val PARQUET_CACHE_METADATA = "spark.sql.parquet.cacheMetadata"
val PARQUET_COMPRESSION = "spark.sql.parquet.compression.codec"
+ val PARQUET_BLOCK_SIZE = "spark.sql.parquet.blocksize"
+ val PARQUET_PAGE_SIZE = "spark.sql.parquet.pagesize"
--- End diff --
@yhuai , I just confirmed, it still keep uncompressed parquet file even if
we set the property like `SET parquet.compression=GZIP`.
From the source code,
https://github.com/chenghao-intel/spark/blob/parquet/sql/core/src/main/scala/org/apache/spark/sql/parquet/newParquet.scala#L636
Settings in `SQLConf` are not append into the `Configuration`, that's why
all of the settings doesn't take effect.
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