diff --git a/sql/catalyst/src/test/scala/org/apache/spark/sql/RandomDataGenerator.scala b/sql/catalyst/src/test/scala/org/apache/spark/sql/RandomDataGenerator.scala
index 22f24d8266177..088f0e21710d2 100644
--- a/sql/catalyst/src/test/scala/org/apache/spark/sql/RandomDataGenerator.scala
+++ b/sql/catalyst/src/test/scala/org/apache/spark/sql/RandomDataGenerator.scala
@@ -53,9 +53,12 @@ object RandomDataGenerator {
    */
   private val PROBABILITY_OF_NULL: Float = 0.1f
 
-  final val MAX_STR_LEN: Int = 1024
-  final val MAX_ARR_SIZE: Int = 128
-  final val MAX_MAP_SIZE: Int = 128
+  final val MAX_STR_LEN: Int =
+    System.getProperty("spark.sql.test.randomDataGenerator.maxStrLen", "1024").toInt
+  final val MAX_ARR_SIZE: Int =
+    System.getProperty("spark.sql.test.randomDataGenerator.maxArraySize", "128").toInt
+  final val MAX_MAP_SIZE: Int =
+    System.getProperty("spark.sql.test.randomDataGenerator.maxMapSize", "128").toInt
 
   /**
    * Helper function for constructing a biased random number generator which returns "interesting"