Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/14573#discussion_r76177989
--- Diff:
sql/core/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala ---
@@ -116,6 +116,13 @@ object SQLConf {
.longConf
.createWithDefault(10L * 1024 * 1024)
+ val TAKE_RAMP_UP_RATE = SQLConfigBuilder("spark.sql.take.rampUpRate")
+ .doc("Minimal increase rate in number of partitions between attempts
when executing a take " +
+ "on a query. Higher values lead to more partitions read. Lower
values might lead to " +
+ "longer execution times as more jobs will be run")
+ .intConf
--- End diff --
i'd make this an internal config
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