July 2017
Intermediate to advanced
796 pages
18h 55m
English
Content preview from Scala and Spark for Big Data Analytics
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textFile
textFile() can be used to load textFiles into an RDD and each line becomes an element in the RDD.
sc.textFile(name, minPartitions=None, use_unicode=True)
The following is an example of loading a textfile into an RDD using textFile():
scala> val rdd_two = sc.textFile("wiki1.txt")rdd_two: org.apache.spark.rdd.RDD[String] = wiki1.txt MapPartitionsRDD[8] at textFile at <console>:24scala> rdd_two.countres6: Long = 9
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