Github user kiszk commented on a diff in the pull request:
https://github.com/apache/spark/pull/21931#discussion_r207803961
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala ---
@@ -1437,6 +1437,15 @@ object SQLConf {
.intConf
.createWithDefault(20)
+ val FAST_HASH_AGGREGATE_MAX_ROWS_CAPACITY_BIT =
+ buildConf("spark.sql.fast.hash.aggregate.row.max.capacity.bit")
+ .internal()
+ .doc("Capacity for the max number of rows to be held in memory by
the fast hash aggregate " +
+ "product operator (e.g: configuration 16 capacity size is 65536).")
--- End diff --
Can we describe something about this value? (e.g. `bit` not for `value`).
Can we describe about the default value?
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