[GitHub] [hudi] leesf commented on a change in pull request #3985: [HUDI-2754] Performance improvement for IncrementalRelation

[GitBox <gi...@apache.org>]

leesf commented on a change in pull request #3985:
URL: https://github.com/apache/hudi/pull/3985#discussion_r749379912



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File path: hudi-spark-datasource/hudi-spark/src/main/scala/org/apache/hudi/IncrementalRelation.scala
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@@ -98,7 +97,12 @@ class IncrementalRelation(val sqlContext: SQLContext,
 
   override def schema: StructType = usedSchema
 
-  override def buildScan(): RDD[Row] = {
+  override def buildScan(requiredColumns: Array[String]): RDD[Row] = {
+    log.info(s"buildScan requiredColumns = ${requiredColumns.mkString(",")}")
+    sqlContext.sparkSession.sessionState.conf.setConfString("spark.sql.parquet.filterPushdown", "true")
+    sqlContext.sparkSession.sessionState.conf.setConfString("spark.sql.parquet.recordLevelFilter.enabled", "true")
+    sqlContext.sparkSession.sessionState.conf.setConfString("spark.sql.parquet.enableVectorizedReader", "false")

Review comment:
       the reason set to false is that the verctorizedReader is not supported for at the moment for IncrementalRelation?




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