This function may be used to get or instantiate a SparkContext and register it as a singleton object.
This function may be used to get or instantiate a SparkContext and register it as a singleton object. Because we can only have one active SparkContext per JVM, this is useful when applications may wish to share a SparkContext.
This method allows not passing a SparkConf (useful if just retrieving).
This function cannot be used to create multiple SparkContext instances even if multiple contexts are allowed.
This function may be used to get or instantiate a SparkContext and register it as a singleton object.
This function may be used to get or instantiate a SparkContext and register it as a singleton object. Because we can only have one active SparkContext per JVM, this is useful when applications may wish to share a SparkContext.
This function cannot be used to create multiple SparkContext instances even if multiple contexts are allowed.
Find the JAR from which a given class was loaded, to make it easy for users to pass their JARs to SparkContext.
Find the JAR that contains the class of a particular object, to make it easy for users to pass their JARs to SparkContext.
Find the JAR that contains the class of a particular object, to make it easy for users to pass their JARs to SparkContext. In most cases you can call jarOfObject(this) in your driver program.
The SparkContext object contains a number of implicit conversions and parameters for use with various Spark features.