SparkSubmit#main 函数中有 case SparkSubmitAction.SUBMIT => submit(appArgs),这句代码判断是否是提交参数并执行程序,如果匹配到 SparkSubmitAction.SUBMIT,则调用 submit(appArgs)方法,参数 appArgs 是 SparkSubmitArguments 类型,appArgs 中包含了提交的各种参数,包括命令行传入以及默认的配置项。 submit(appArgs) ...
1)检查提交参数,其中最核心的就是--class , 其余的参数可以通过sparkConf获取集群默认值 publicstaticvoidmain(String[]argsArray)throwsException{checkArgument(argsArray.length>0,"Not enough arguments: missing class name."); 2)buildCommand创建spark-submit脚本 spark-submit spark-class 3)抽象类AbstractComma...
checkArgument(argsArray.length> 0, "Not enough arguments: missing class name.");//argsArray:spark-submit脚本传给spark-class的参数List<String> args =newArrayList<>(Arrays.asList(argsArray)); String className= args.remove(0);//这里className为org.apache.spark.deploy.SparkSubmitbooleanprintLaunchComm...
private def validateSubmitArguments(): Unit = { // 参数长度 if (args.length == 0) { printUsageAndExit(-1) } // 资源jars路径 if (primaryResource == null) { error("Must specify a primary resource (JAR or Python or R file)") } // --class if (mainClass == null && SparkSubmit....
* running the child main class based on the cluster manager and the deploy mode. * Second, we use this launch environment to invoke the main method of the child * main class. 提交应用程序 */@tailrecprivatedefsubmit(args:SparkSubmitArguments):Unit= {val(childArgs, childClasspath, sysProps,...
Specify any arguments that are required as input for the application that is being run. --class For application code that is written in Java or Scala, this option specifies the name of the main class. --jars For application code that is written in Java or Scala, this option specifies a ...
When you want to spark-submit a PySpark application (Spark with Python), you need to specify the .py file you want to run and specify the .egg file or .zip file for dependency libraries.Below are some of the options & configurations specific to run pyton (.py) file with spark submit....
This essentially means that oozie ssh into your spark client and runs any command you want. You can specify parameters as well which are given to the ssh command and you can read the results from your ksh file by providing something like echo result=SUCCESS ( you can then use that in ...
Specify an S3 path where the Spark query (Scala, Python, SQL, R, and Command Line) script is stored. AWS storage credentials stored in the account are used to retrieve the script file. Note *.cmdline or *.command_line files are supported for Spark query as Command Line. arguments Specify...
"Not allowed to specify max heap(Xmx) memory settings through "+"java options (was %s). Use the corresponding --driver-memory or "+"spark.driver.memory configuration instead.",driverExtraJavaOptions);thrownewIllegalArgumentException(msg);}if(isClientMode){StringtsMemory=isThriftServer(mainClass)...