SparkSubmitArguments — spark-submit’s Command-Line Argument Parser

SparkSubmitArguments is a custom SparkSubmitArgumentsParser to handle the command-line arguments of spark-submit script that the actions (i.e. submit, kill and status) use for their execution (possibly with the explicit env environment).

Note
SparkSubmitArguments is created when launching spark-submit script with only args passed in and later used for printing the arguments in verbose mode.

Calculating Spark Properties — loadEnvironmentArguments internal method

loadEnvironmentArguments(): Unit

loadEnvironmentArguments calculates the Spark properties for the current execution of spark-submit.

loadEnvironmentArguments reads command-line options first followed by Spark properties and System’s environment variables.

Note
Spark config properties start with spark. prefix and can be set using --conf [key=value] command-line option.

handle Method

protected def handle(opt: String, value: String): Boolean

handle parses the input opt argument and returns true or throws an IllegalArgumentException when it finds an unknown opt.

handle sets the internal properties in the table Command-Line Options, Spark Properties and Environment Variables.

mergeDefaultSparkProperties Internal Method

mergeDefaultSparkProperties(): Unit

mergeDefaultSparkProperties merges Spark properties from the default Spark properties file, i.e. spark-defaults.conf with those specified through --conf command-line option.

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