loadEnvironmentArguments(): Unit
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.
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Calculating Spark Properties — loadEnvironmentArguments
internal method
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.
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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.