Github user tejasapatil commented on a diff in the pull request:
https://github.com/apache/spark/pull/13775#discussion_r83751452
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala ---
@@ -251,6 +251,12 @@ object SQLConf {
.booleanConf
.createWithDefault(true)
+ val ORC_VECTORIZED_READER_ENABLED =
+ SQLConfigBuilder("spark.sql.orc.enableVectorizedReader")
+ .doc("Enables vectorized orc reader.")
+ .booleanConf
+ .createWithDefault(true)
--- End diff --
Please turn it off by default. Until there is more testing, this might be
risky thing to do. If you have productionised this code and have been running
smoothly for sometime, then it would be comfortable to launch with default
turned on.
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