spark 学习笔记-spark2.2.0

   master:192.168.11.2
    s1:192.168.11.3
    s2 :192.168.11.4
    共三个节点
    第一步配置(三台一样) http://hadoop.apache.org/docs/r2.7.4/hadoop-project-dist/hadoop-common/ClusterSetup.html
1> etc/hadoop/core-site.xml
<configuration>
     <property>
         <name>fs.defaultFS</name>
         <value>hdfs://master:9000</value>
     </property>
     <property>
       <name>hadoop.tmp.dir</name>
       <value>/data/hadoop-2.7.4/hadoop-${user.name}</value>
     </property>
</configuration>
2>  etc/hadoop/slave
master
s1
s2
3>  vi /etc/profile.d/env.sh
     加入  export HADOOP_CONF_DIR=/home/spark/bd/hadoop-2.7.4/etc/hadoop
              export  JAVA_HOME=/opt/jdk
    jps 查看是否启动
    解决问题看日志
    http://spark.apache.org/docs/latest/running-on-yarn.html
   
    ./bin/spark-submit --class org.apache.spark.examples.SparkPi --master yarn --deploy-mode  cluster --driver-memory 4g --executor-cores 2  examples/jars/spark-examples*.jar 10