diff --git a/sql/core/benchmarks/JSONBenchmark-results.txt b/sql/core/benchmarks/JSONBenchmark-results.txt
index c9f39c813ff7..477429430cdd 100644
--- a/sql/core/benchmarks/JSONBenchmark-results.txt
+++ b/sql/core/benchmarks/JSONBenchmark-results.txt
@@ -3,46 +3,46 @@ Benchmark for performance of JSON parsing
 ================================================================================================
 
 Preparing data for benchmarking ...
-Java HotSpot(TM) 64-Bit Server VM 1.8.0_192-b12 on Mac OS X 10.13.6
-Intel(R) Core(TM) i7-4850HQ CPU @ 2.30GHz
+OpenJDK 64-Bit Server VM 1.8.0_191-b12 on Linux 3.10.0-862.3.2.el7.x86_64
+Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
 JSON schema inferring:                   Best/Avg Time(ms)    Rate(M/s)   Per Row(ns)   Relative
 ------------------------------------------------------------------------------------------------
-No encoding                                 51896 / 52287          1.9         519.0       1.0X
-UTF-8 is set                                84991 / 85147          1.2         849.9       0.6X
+No encoding                                 71832 / 72149          1.4         718.3       1.0X
+UTF-8 is set                              101700 / 101819          1.0        1017.0       0.7X
 
 Preparing data for benchmarking ...
-Java HotSpot(TM) 64-Bit Server VM 1.8.0_192-b12 on Mac OS X 10.13.6
-Intel(R) Core(TM) i7-4850HQ CPU @ 2.30GHz
+OpenJDK 64-Bit Server VM 1.8.0_191-b12 on Linux 3.10.0-862.3.2.el7.x86_64
+Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
 count a short column:                    Best/Avg Time(ms)    Rate(M/s)   Per Row(ns)   Relative
 ------------------------------------------------------------------------------------------------
-No encoding                                 13678 / 13808          7.3         136.8       1.0X
-UTF-8 is set                                13766 / 13810          7.3         137.7       1.0X
+No encoding                                 16501 / 16519          6.1         165.0       1.0X
+UTF-8 is set                                16477 / 16516          6.1         164.8       1.0X
 
 Preparing data for benchmarking ...
-Java HotSpot(TM) 64-Bit Server VM 1.8.0_192-b12 on Mac OS X 10.13.6
-Intel(R) Core(TM) i7-4850HQ CPU @ 2.30GHz
+OpenJDK 64-Bit Server VM 1.8.0_191-b12 on Linux 3.10.0-862.3.2.el7.x86_64
+Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
 count a wide column:                     Best/Avg Time(ms)    Rate(M/s)   Per Row(ns)   Relative
 ------------------------------------------------------------------------------------------------
-No encoding                                 37072 / 37094          0.3        3707.2       1.0X
-UTF-8 is set                                37395 / 37474          0.3        3739.5       1.0X
+No encoding                                 39871 / 40242          0.3        3987.1       1.0X
+UTF-8 is set                                39581 / 39721          0.3        3958.1       1.0X
 
 Preparing data for benchmarking ...
-Java HotSpot(TM) 64-Bit Server VM 1.8.0_192-b12 on Mac OS X 10.13.6
-Intel(R) Core(TM) i7-4850HQ CPU @ 2.30GHz
+OpenJDK 64-Bit Server VM 1.8.0_191-b12 on Linux 3.10.0-862.3.2.el7.x86_64
+Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
 Select a subset of 10 columns:           Best/Avg Time(ms)    Rate(M/s)   Per Row(ns)   Relative
 ------------------------------------------------------------------------------------------------
-Select 10 columns + count()                 13036 / 13084          0.8        1303.6       1.0X
-Select 1 column + count()                   11077 / 11143          0.9        1107.7       1.2X
-count()                                       2318 / 2354          4.3         231.8       5.6X
+Select 10 columns + count()                 16011 / 16033          0.6        1601.1       1.0X
+Select 1 column + count()                   14350 / 14392          0.7        1435.0       1.1X
+count()                                       3007 / 3034          3.3         300.7       5.3X
 
 Preparing data for benchmarking ...
-Java HotSpot(TM) 64-Bit Server VM 1.8.0_192-b12 on Mac OS X 10.13.6
-Intel(R) Core(TM) i7-4850HQ CPU @ 2.30GHz
+OpenJDK 64-Bit Server VM 1.8.0_191-b12 on Linux 3.10.0-862.3.2.el7.x86_64
+Intel(R) Xeon(R) CPU E5-2670 v2 @ 2.50GHz
 creation of JSON parser per line:        Best/Avg Time(ms)    Rate(M/s)   Per Row(ns)   Relative
 ------------------------------------------------------------------------------------------------
-Short column without encoding                 6161 / 6165          1.6         616.1       1.0X
-Short column with UTF-8                       8565 / 8569          1.2         856.5       0.7X
-Wide column without encoding              121484 / 122276          0.1       12148.4       0.1X
-Wide column with UTF-8                    143922 / 144008          0.1       14392.2       0.0X
+Short column without encoding                 8334 / 8453          1.2         833.4       1.0X
+Short column with UTF-8                     13627 / 13784          0.7        1362.7       0.6X
+Wide column without encoding              155073 / 155351          0.1       15507.3       0.1X
+Wide column with UTF-8                    212114 / 212263          0.0       21211.4       0.0X
 
 
diff --git a/sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/json/JsonBenchmark.scala b/sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/json/JsonBenchmark.scala
index 38be38a8d230..f50c25ecfc1f 100644
--- a/sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/json/JsonBenchmark.scala
+++ b/sql/core/src/test/scala/org/apache/spark/sql/execution/datasources/json/JsonBenchmark.scala
@@ -231,7 +231,7 @@ object JSONBenchmark extends SqlBasedBenchmark {
   }
 
   override def runBenchmarkSuite(mainArgs: Array[String]): Unit = {
-    val numIters = 2
+    val numIters = 3
     runBenchmark("Benchmark for performance of JSON parsing") {
       schemaInferring(100 * 1000 * 1000, numIters)
       countShortColumn(100 * 1000 * 1000, numIters)