Has only recently begun to make the spark, could you tell me how to make you a great god spark efficient read binary files, Hdfs and solve urgent ~ ~ ~

CodePudding user response:

In SparkContext sequenceFile (K, V) method is used to read the serialization binary file, K and V is the types of keys and values in the file, they must be a subclass of the Hadoop Writable,

CodePudding user response:

Thank you, I try