local -> local[*] in SparkConf

Author: swapniel99

stackoverflow/src/main/scala/stackoverflow/StackOverflow.scala

@@ -14,7 +14,7 @@ case class Posting(postingType: Int, id: Int, acceptedAnswer: Option[Int], paren
 /** The main class */
 object StackOverflow extends StackOverflow {
 
-  @transient lazy val conf: SparkConf = new SparkConf().setMaster("local").setAppName("StackOverflow")
+  @transient lazy val conf: SparkConf = new SparkConf().setMaster("local[*]").setAppName("StackOverflow")
   @transient lazy val sc: SparkContext = new SparkContext(conf)
 
   /** Main function */

wikipedia/src/main/scala/wikipedia/WikipediaRanking.scala

@@ -20,7 +20,7 @@ object WikipediaRanking {
     "JavaScript", "Java", "PHP", "Python", "C#", "C++", "Ruby", "CSS",
     "Objective-C", "Perl", "Scala", "Haskell", "MATLAB", "Clojure", "Groovy")
 
-  val conf: SparkConf = new SparkConf().setMaster("local").setAppName("Wikipedia")
+  val conf: SparkConf = new SparkConf().setMaster("local[*]").setAppName("Wikipedia")
   val sc: SparkContext = new SparkContext(conf)
   // Hint: use a combination of `sc.textFile`, `WikipediaData.filePath` and `WikipediaData.parse`
   val wikiRdd: RDD[WikipediaArticle] = sc.textFile(WikipediaData.filePath).map(WikipediaData.parse)//.cache()