Parses and holds information about inputFormat (and files) specified as a parameter.
A logger class to record runtime information for jobs in Spark.
Interface for listening to events from the Spark scheduler.
Stores information about a stage to pass from the scheduler to SparkListeners.
Simple SparkListener that logs a few summary statistics when each stage completes
"FAIR" and "FIFO" determines which policy is used to order tasks amongst a Schedulable's sub-queues "NONE" is used when the a Schedulable has no sub-queues.