Spark 运行自带例子

1. 运行spark自带例子时遇到几个问题 

export YARN_CONF_DIR=$HADOOP_HOME/etc/hadoop/

# Submit Spark's ApplicationMaster to YARN's ResourceManager, and instruct Spark to run the SparkPi example
SPARK_JAR=./assembly/target/scala-2.9.3/spark-assembly-0.8.1-incubating-hadoop2.2.0.jar \
    ./spark-class org.apache.spark.deploy.yarn.Client \
      --jar ./assembly/target/scala-2.9.3/spark-examples-assembly-0.8.1-incubating.jar \
      --class org.apache.spark.examples.SparkPi \
      --args yarn-standalone \
      --num-workers 3 \
      --master-memory 2g \
      --worker-memory 2g \
      --worker-cores 1export YARN_CONF_DI