What are the main attributes used in SparkConf?
Following is the list of main attributes used in SparkConf :
* set(key, value) : This attribute is used for setting the configuration property.
* setSparkHome(value) : This attribute enables the setting Spark installation path on worker nodes.
* setAppName(value) : This attribute is used for setting the application name.
* setMaster(value) : This attribute is used to set the master URL.
* get(key, defaultValue=None) : This attribute supports getting a configuration value of a key.
