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import spark.SparkContext
object BroadcastTest {
def main(args: Array[String]) {
if (args.length == 0) {
System.err.println("Usage: BroadcastTest <host> [<slices>]")
System.exit(1)
}
val spark = new SparkContext(args(0), "Broadcast Test")
val slices = if (args.length > 1) args(1).toInt else 2
val num = if (args.length > 2) args(2).toInt else 1000000
var arr = new Array[Int](num)
for (i <- 0 until arr.length)
arr(i) = i
val barr = spark.broadcast(arr)
spark.parallelize(1 to 10, slices).foreach {
println("in task: barr = " + barr)
i => println(barr.value.size)
}
}
}
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