Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/7774#discussion_r36116764
--- Diff: core/src/main/scala/org/apache/spark/SparkContext.scala ---
@@ -1239,6 +1239,21 @@ class SparkContext(config: SparkConf) extends
Logging with ExecutorAllocationCli
}
/**
+ * Create an [[org.apache.spark.Accumulator]] variable of a given type,
with a name for display
+ * in the Spark UI. Tasks can "add" values to the accumulator using the
`+=` method. Only the
+ * driver can access the accumulator's `value`. The latest local value
of such accumulator will be
+ * sent back to the driver via heartbeats.
+ *
+ * @tparam T type that can be added to the accumulator, must be thread
safe
+ */
+ private[spark] def internalAccumulator[T](initialValue: T, name: String)(
+ implicit param: AccumulatorParam[T]): Accumulator[T] = {
+ val acc = new Accumulator(initialValue, param, Some(name), true)
--- End diff --
`internal = true`
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