LantaoJin commented on a change in pull request #24527: [SPARK-27635][SQL] Prevent from splitting too many partitions smaller than row group size in Parquet file format URL: https://github.com/apache/spark/pull/24527#discussion_r281058572
########## File path: sql/core/src/main/scala/org/apache/spark/sql/execution/DataSourceScanExec.scala ########## @@ -420,8 +420,12 @@ case class FileSourceScanExec( selectedPartitions: Seq[PartitionDirectory], fsRelation: HadoopFsRelation): RDD[InternalRow] = { val openCostInBytes = fsRelation.sparkSession.sessionState.conf.filesOpenCostInBytes - val maxSplitBytes = - FilePartition.maxSplitBytes(fsRelation.sparkSession, selectedPartitions) + val maxSplitBytes = relation.fileFormat match { + case _ : ParquetSource => + fsRelation.sparkSession.sessionState.conf.filesMaxPartitionBytes // parquet.block.size Review comment: Sorry, please ignore. Currently, `FileFormat` doesn't provide this. How to split is determined in `DataSourceScanExec` ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org