Skip to content
Closed
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
10 changes: 6 additions & 4 deletions core/src/main/scala/org/apache/spark/Aggregator.scala
Original file line number Diff line number Diff line change
Expand Up @@ -34,15 +34,17 @@ case class Aggregator[K, V, C] (
mergeValue: (C, V) => C,
mergeCombiners: (C, C) => C) {

private val externalSorting = SparkEnv.get.conf.getBoolean("spark.shuffle.spill", true)
// When spilling is enabled sorting will happen externally, but not necessarily with an
// ExternalSorter.
private val isSpillEnabled = SparkEnv.get.conf.getBoolean("spark.shuffle.spill", true)

@deprecated("use combineValuesByKey with TaskContext argument", "0.9.0")
def combineValuesByKey(iter: Iterator[_ <: Product2[K, V]]): Iterator[(K, C)] =
combineValuesByKey(iter, null)

def combineValuesByKey(iter: Iterator[_ <: Product2[K, V]],
context: TaskContext): Iterator[(K, C)] = {
if (!externalSorting) {
if (!isSpillEnabled) {
val combiners = new AppendOnlyMap[K,C]
var kv: Product2[K, V] = null
val update = (hadValue: Boolean, oldValue: C) => {
Expand Down Expand Up @@ -71,9 +73,9 @@ case class Aggregator[K, V, C] (
combineCombinersByKey(iter, null)

def combineCombinersByKey(iter: Iterator[_ <: Product2[K, C]], context: TaskContext)
: Iterator[(K, C)] =
: Iterator[(K, C)] =
{
if (!externalSorting) {
if (!isSpillEnabled) {
val combiners = new AppendOnlyMap[K,C]
var kc: Product2[K, C] = null
val update = (hadValue: Boolean, oldValue: C) => {
Expand Down