From 2f6083c054275979e6b161ae057c8195b55c1729 Mon Sep 17 00:00:00 2001 From: Scott Draves Date: Sat, 30 Jun 2018 16:43:21 -0400 Subject: [PATCH] fix #7613 --- doc/scala/SparkUI.ipynb | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/doc/scala/SparkUI.ipynb b/doc/scala/SparkUI.ipynb index f29f48785f..10073f04f0 100644 --- a/doc/scala/SparkUI.ipynb +++ b/doc/scala/SparkUI.ipynb @@ -109,14 +109,14 @@ "outputs": [], "source": [ "val NUM_SAMPLES = 10000000\n", - "\n", - "val count2 = spark.sparkContext.parallelize(1 to NUM_SAMPLES).map{i =>\n", - " val x = Math.random()\n", - " val y = Math.random()\n", + "val random = new scala.util.Random()\n", + "val count = spark.sparkContext.parallelize(1 to NUM_SAMPLES).map{i =>\n", + " val x = random.nextDouble()\n", + " val y = random.nextDouble()\n", " if (x*x + y*y < 1) 1 else 0\n", "}.reduce(_ + _)\n", "\n", - "println(\"Pi is roughly \" + 4.0 * count2 / NUM_SAMPLES)" + "println(\"Pi is roughly \" + 4.0 * count / NUM_SAMPLES)" ] }, {