on ubuntu 12.04 with 2 cores and 8G of RAM i see errors when i run the tests for spark 1.1.0. not sure how significant this is, since i used to see errors for spark 1.0.0 too....
$ java -version java version "1.6.0_43" Java(TM) SE Runtime Environment (build 1.6.0_43-b01) Java HotSpot(TM) 64-Bit Server VM (build 20.14-b01, mixed mode) $ mvn -version Apache Maven 3.0.4 Maven home: /usr/share/maven Java version: 1.6.0_43, vendor: Sun Microsystems Inc. Java home: /usr/lib/jvm/jdk1.6.0_43/jre Default locale: en_US, platform encoding: UTF-8 OS name: "linux", version: "3.5.0-54-generic", arch: "amd64", family: "unix" $ export MAVEN_OPTS="-Xmx2g -XX:MaxPermSize=512M -XX:ReservedCodeCacheSize=512m" $ mvn clean package -DskipTests $ mvn test it is still running, and is very slow (and curiously with very low cpu usage, like 5%) but i already see the following errors: DriverSuite: - driver should exit after finishing *** FAILED *** TestFailedDueToTimeoutException was thrown during property evaluation. (DriverSuite.scala:40) Message: The code passed to failAfter did not complete within 60 seconds. Location: (DriverSuite.scala:41) Occurred at table row 0 (zero based, not counting headings), which had values ( master = local ) SparkSubmitSuite: - launch simple application with spark-submit *** FAILED *** org.apache.spark.SparkException: Process List(./bin/spark-submit, --class, org.apache.spark.deploy.SimpleApplicationTest, --name, testApp, --master, local, file:/tmp/1410653580697-0/testJar-1410653580697.jar) exited with code 1 at org.apache.spark.util.Utils$.executeAndGetOutput(Utils.scala:872) at org.apache.spark.deploy.SparkSubmitSuite.runSparkSubmit(SparkSubmitSuite.scala:311) at org.apache.spark.deploy.SparkSubmitSuite$$anonfun$14.apply$mcV$sp(SparkSubmitSuite.scala:291) at org.apache.spark.deploy.SparkSubmitSuite$$anonfun$14.apply(SparkSubmitSuite.scala:284) at org.apache.spark.deploy.SparkSubmitSuite$$anonfun$14.apply(SparkSubmitSuite.scala:284) at org.scalatest.Transformer$$anonfun$apply$1.apply(Transformer.scala:22) at org.scalatest.Transformer$$anonfun$apply$1.apply(Transformer.scala:22) at org.scalatest.OutcomeOf$class.outcomeOf(OutcomeOf.scala:85) at org.scalatest.OutcomeOf$.outcomeOf(OutcomeOf.scala:104) at org.scalatest.Transformer.apply(Transformer.scala:22) ... - spark submit includes jars passed in through --jar *** FAILED *** org.apache.spark.SparkException: Process List(./bin/spark-submit, --class, org.apache.spark.deploy.JarCreationTest, --name, testApp, --master, local-cluster[2,1,512], --jars, file:/tmp/1410653674739-0/testJar-1410653674790.jar,file:/tmp/1410653674791-0/testJar-1410653674833.jar, file:/tmp/1410653674737-0/testJar-1410653674737.jar) exited with code 1 at org.apache.spark.util.Utils$.executeAndGetOutput(Utils.scala:872) at org.apache.spark.deploy.SparkSubmitSuite.runSparkSubmit(SparkSubmitSuite.scala:311) at org.apache.spark.deploy.SparkSubmitSuite$$anonfun$15.apply$mcV$sp(SparkSubmitSuite.scala:305) at org.apache.spark.deploy.SparkSubmitSuite$$anonfun$15.apply(SparkSubmitSuite.scala:294) at org.apache.spark.deploy.SparkSubmitSuite$$anonfun$15.apply(SparkSubmitSuite.scala:294) at org.scalatest.Transformer$$anonfun$apply$1.apply(Transformer.scala:22) at org.scalatest.Transformer$$anonfun$apply$1.apply(Transformer.scala:22) at org.scalatest.OutcomeOf$class.outcomeOf(OutcomeOf.scala:85) at org.scalatest.OutcomeOf$.outcomeOf(OutcomeOf.scala:104) at org.scalatest.Transformer.apply(Transformer.scala:22) ...