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spark-multioutput-rdd

Spark Multioutput RDD Based On Spark 2.4 API

val spark = SparkSession.builder .appName("multiOutput") .master("local[4]") .config("spark.yarn.maxAppAttempts", 3) .getOrCreate()

// write
val result = spark.sparkContext
  .parallelize(
    List(
      ("1", "1"),
      ("1", "1"),
      ("1", "1"),
      ("2", "2"),
      ("2", "2"),
      ("3", "3")),
    2)
  .map(data => (data._1, (NullWritable.get(), new Text().set(data._2))))
  .saveAsMultiOutputFile(
    "output",
    classOf[NullWritable],
    classOf[Text],
    classOf[TextOutputFormat[NullWritable, Text]],
    spark.sparkContext.hadoopConfiguration)

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