IDEA 14.1.1 导入 SPARK 1.6.1 源码 并测试

spark

package p1.com.ibeifeng.bigdata.senior.spark
import org.apache.spark.{SparkContext, SparkConf}
/**
 * Driver Program
 */
object SparkApp {
  def main (args: Array[String]) {
    //step 0:SparkContext
    val sparkConf = new SparkConf()
    .setAppName("SparkApplicaiton") //APPname
    .setMaster("local[2]") //--master local[2] | spark:// | yarn
    //Create SparkContext
    val sc = new SparkContext(sparkConf)
 /**======================================================================================*/
    //step 1:input data
    val rdd = sc.textFile("hdfs://hadoop-senior.ibeifeng.com:8020/input/page_views.data")
    //step 2:porcess data
    val sessionCountTop10= rdd
        .map(line=>line.split("\t"))
        .map(x=>(x(2),1))
        .reduceByKey(_+_)
        .map(tuple=>(tuple._2,tuple._1))
        .sortByKey(false)
        .take(10)
    //step 3:output data
    sessionCountTop10.foreach(println(_))
    /**======================================================================================*/
    sc.stop()
  }
}
16/07/25 16:03:07 INFO DAGScheduler: Job 1 finished: take at SparkApp.scala:30, took 0.995711 s
(65,32d99014d80e5b683dc87e7c93f7c422)
(65,2FF3QB5Z1ZYMFTQKCM6DUCUDDZXX1NAX)   
(59,3697499e2a4bc361c29d8e0652408915)
(59,9364b2b10e1397e4673d77a37eb16b6e)
(55,78e20c225db1e478727d51d7f23f1381)
(51,edf91bcfd29523b0ba65367807ba3585)
(50,784aaaaa4d570e9fb9d448f45eba2617)
(44,74c300ab78b78337fb9a7ef5a12462f5)
(43,53701e01643c9939ce492e0f5a60eb27)
(42,1.2.4)

文件默认读取路径设置为HDFS ,代码可以写为 val rdd = sc.textFile("/input/page_views.data")

cp /opt/modules/hadoop-2.5.0-cdh5.3.6/etc/hadoop/core-site.xml /home/beifeng/IdeaProjects/scala_demo1/p1/src/main/resources
cp /opt/modules/hadoop-2.5.0-cdh5.3.6/etc/hadoop/hdfs-site.xml /home/beifeng/IdeaProjects/scala_demo1/p1/src/main/resources

打包jar包

$ pwd
/home/beifeng/IdeaProjects/idea_jars
[beifeng@hadoop-senior idea_jars]$ ll
total 12
-rw-rw-r-- 1 beifeng beifeng 9688 Jul 25 17:16 p1.jar
[beifeng@hadoop-senior idea_jars]$ cp p1.jar /opt/modules/spark-1.6.1-bin-2.5.0-cdh5.3.6/

[beifeng@hadoop-senior spark-1.6.1-bin-2.5.0-cdh5.3.6]$ bin/spark-submit --help
Usage: spark-submit [options] <app jar | python file> [app arguments]
Usage: spark-submit --kill [submission ID] --master [spark://...]
Usage: spark-submit --status [submission ID] --master [spark://...]
Options:
  --master MASTER_URL         spark://host:port, mesos://host:port, yarn, or local.
  --deploy-mode DEPLOY_MODE   Whether to launch the driver program locally ("client") or
                              on one of the worker machines inside the cluster ("cluster")
                              (Default: client).
  --class CLASS_NAME          Your application's main class (for Java / Scala apps).
  --name NAME                 A name of your application.
  --jars JARS                 Comma-separated list of local jars to include on the driver
                              and executor classpaths.
  --packages                  Comma-separated list of maven coordinates of jars to include
                              on the driver and executor classpaths. Will search the local
                              maven repo, then maven central and any additional remote
                              repositories given by --repositories. The format for the
                              coordinates should be groupId:artifactId:version.
  --exclude-packages          Comma-separated list of groupId:artifactId, to exclude while
                              resolving the dependencies provided in --packages to avoid
                              dependency conflicts.
  --repositories              Comma-separated list of additional remote repositories to
                              search for the maven coordinates given with --packages.
  --py-files PY_FILES         Comma-separated list of .zip, .egg, or .py files to place
                              on the PYTHONPATH for Python apps.
  --files FILES               Comma-separated list of files to be placed in the working
                              directory of each executor.
  --conf PROP=VALUE           Arbitrary Spark configuration property.
  --properties-file FILE      Path to a file from which to load extra properties. If not
                              specified, this will look for conf/spark-defaults.conf.
  --driver-memory MEM         Memory for driver (e.g. 1000M, 2G) (Default: 1024M).
  --driver-java-options       Extra Java options to pass to the driver.
  --driver-library-path       Extra library path entries to pass to the driver.
  --driver-class-path         Extra class path entries to pass to the driver. Note that
                              jars added with --jars are automatically included in the
                              classpath.
  --executor-memory MEM       Memory per executor (e.g. 1000M, 2G) (Default: 1G).
  --proxy-user NAME           User to impersonate when submitting the application.
  --help, -h                  Show this help message and exit
  --verbose, -v               Print additional debug output
  --version,                  Print the version of current Spark
 Spark standalone with cluster deploy mode only:
  --driver-cores NUM          Cores for driver (Default: 1).
 Spark standalone or Mesos with cluster deploy mode only:
  --supervise                 If given, restarts the driver on failure.
  --kill SUBMISSION_ID        If given, kills the driver specified.
  --status SUBMISSION_ID      If given, requests the status of the driver specified.
 Spark standalone and Mesos only:
  --total-executor-cores NUM  Total cores for all executors.
 Spark standalone and YARN only:
  --executor-cores NUM        Number of cores per executor. (Default: 1 in YARN mode,
                              or all available cores on the worker in standalone mode)
 YARN-only:
  --driver-cores NUM          Number of cores used by the driver, only in cluster mode
                              (Default: 1).
  --queue QUEUE_NAME          The YARN queue to submit to (Default: "default").
  --num-executors NUM         Number of executors to launch (Default: 2).
  --archives ARCHIVES         Comma separated list of archives to be extracted into the
                              working directory of each executor.
  --principal PRINCIPAL       Principal to be used to login to KDC, while running on
                              secure HDFS.
  --keytab KEYTAB             The full path to the file that contains the keytab for the
                              principal specified above. This keytab will be copied to
                              the node running the Application Master via the Secure
                              Distributed Cache, for renewing the login tickets and the
                              delegation tokens periodically.

--master 由setMaster("local2")指定
--name 由setAppName("SparkApplicaiton")指定
--class 指定jar包

[beifeng@hadoop-senior spark-1.6.1-bin-2.5.0-cdh5.3.6]$ bin/spark-submit --class p1.com.ibeifeng.bigdata.senior.spark.SparkApp p1.jar
...
(65,32d99014d80e5b683dc87e7c93f7c422)
(65,2FF3QB5Z1ZYMFTQKCM6DUCUDDZXX1NAX)
(59,3697499e2a4bc361c29d8e0652408915)
(59,9364b2b10e1397e4673d77a37eb16b6e)
(55,78e20c225db1e478727d51d7f23f1381)
(51,edf91bcfd29523b0ba65367807ba3585)
(50,784aaaaa4d570e9fb9d448f45eba2617)
(44,74c300ab78b78337fb9a7ef5a12462f5)
(43,53701e01643c9939ce492e0f5a60eb27)
(42,1.2.4)

在集群上运行： 需要把 .setMaster("local2")注释，删除原jar包，并在idea点击Build=>Bulid Artifacts=>Rebuild,重新生成jar包，改jar包运行位置与提交运行位置一致

[beifeng@hadoop-senior spark-1.6.1-bin-2.5.0-cdh5.3.6]$ bin/spark-submit --class p1.com.ibeifeng.bigdata.senior.spark.SparkApp --master spark://hadoop-senior.ibeifeng.com:7077 --deploy-mode cluster /home/beifeng/IdeaProjects/idea_jars/p1.jar
Running Spark using the REST application submission protocol.
16/08/08 20:30:53 INFO rest.RestSubmissionClient: Submitting a request to launch an application in spark://hadoop-senior.ibeifeng.com:7077.
16/08/08 20:31:04 WARN rest.RestSubmissionClient: Unable to connect to server spark://hadoop-senior.ibeifeng.com:7077.
Warning: Master endpoint spark://hadoop-senior.ibeifeng.com:7077 was not a REST server. Falling back to legacy submission gateway instead.
16/08/08 20:31:04 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable

重载页面后

可以看到输出结果

以及日志信息，还可以再此查看已经加载的外部jar包