spark.examples.HdfsTest.scala Maven / Gradle / Ivy
package spark.examples
import spark._
object HdfsTest {
def main(args: Array[String]) {
val sc = new SparkContext(args(0), "HdfsTest",
System.getenv("SPARK_HOME"), Seq(System.getenv("SPARK_EXAMPLES_JAR")))
val file = sc.textFile(args(1))
val mapped = file.map(s => s.length).cache()
for (iter <- 1 to 10) {
val start = System.currentTimeMillis()
for (x <- mapped) { x + 2 }
// println("Processing: " + x)
val end = System.currentTimeMillis()
println("Iteration " + iter + " took " + (end-start) + " ms")
}
System.exit(0)
}
}
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