I wrote a Java program, for example, the function is to calculate a file number, a number of completely is written in Java and spark has nothing to do,
Now I put the Java program into a jar package, in a spark can run? How to run, run? Play the characteristics of the spark?

CodePudding user response:

No, of course,, no SparkContext, what do you call the Spark of the cluster resources? And Spark has his own programming paradigm, as if a ghost guy ji inside a loud-mouthed chase, run to your house you don't even know what he wants to do,