Github user cloud-fan commented on a diff in the pull request:
https://github.com/apache/spark/pull/17436#discussion_r151764317
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala ---
@@ -140,6 +140,13 @@ object SQLConf {
.booleanConf
.createWithDefault(true)
+ val COLUMN_VECTOR_OFFHEAP_ENABLED =
+ buildConf("spark.sql.columnVector.offheap.enable")
+ .internal()
+ .doc("When true, use OffHeapColumnVector in ColumnarBatch.")
+ .booleanConf
+ .createWithDefault(true)
--- End diff --
hey let's not change the existing behavior.
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