maropu commented on a change in pull request #28804:
URL: https://github.com/apache/spark/pull/28804#discussion_r446571681
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
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@@ -2196,6 +2196,13 @@ object SQLConf {
.checkValue(bit => bit >= 10 && bit <= 30, "The bit value must be in
[10, 30].")
.createWithDefault(16)
+ val SKIP_PARTIAL_AGGREGATE_ENABLED =
+ buildConf("spark.sql.aggregate.partialaggregate.skip.enabled")
+ .internal()
+ .doc("Avoid sort/spill to disk during partial aggregation")
+ .booleanConf
+ .createWithDefault(true)
Review comment:
Could we use a threadhold + column stats instead of this boolean config?
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