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author | Patrick Wendell <pwendell@gmail.com> | 2014-01-14 13:52:23 -0800 |
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committer | Patrick Wendell <pwendell@gmail.com> | 2014-01-14 13:52:23 -0800 |
commit | 8ea2cd56e4a243a834214d04e29502a5fdb539df (patch) | |
tree | bf0e1807b56c6d6eb1afa86c3d14e6467c8c24c1 /core/src/main/scala/org/apache/spark/Aggregator.scala | |
parent | b683608c9f5db0b320c91c4d027fff2e8ce3bd04 (diff) | |
download | spark-8ea2cd56e4a243a834214d04e29502a5fdb539df.tar.gz spark-8ea2cd56e4a243a834214d04e29502a5fdb539df.tar.bz2 spark-8ea2cd56e4a243a834214d04e29502a5fdb539df.zip |
Adding fix covering combineCombinersByKey as well
Diffstat (limited to 'core/src/main/scala/org/apache/spark/Aggregator.scala')
-rw-r--r-- | core/src/main/scala/org/apache/spark/Aggregator.scala | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/core/src/main/scala/org/apache/spark/Aggregator.scala b/core/src/main/scala/org/apache/spark/Aggregator.scala index d712927a21..edbea6ea56 100644 --- a/core/src/main/scala/org/apache/spark/Aggregator.scala +++ b/core/src/main/scala/org/apache/spark/Aggregator.scala @@ -17,6 +17,8 @@ package org.apache.spark +import scala.{Option, deprecated} + import org.apache.spark.util.collection.{AppendOnlyMap, ExternalAppendOnlyMap} /** @@ -35,10 +37,11 @@ case class Aggregator[K, V, C] ( private val externalSorting = sparkConf.getBoolean("spark.shuffle.spill", true) @deprecated("use combineValuesByKey with TaskContext argument", "0.9.0") - def combineValuesByKey(iter: Iterator[_ <: Product2[K, V]]) = combineValuesByKey(iter, null) + 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)] = { + context: TaskContext): Iterator[(K, C)] = { if (!externalSorting) { val combiners = new AppendOnlyMap[K,C] var kv: Product2[K, V] = null @@ -63,6 +66,10 @@ case class Aggregator[K, V, C] ( } } + @deprecated("use combineCombinersByKey with TaskContext argument", "0.9.0") + def combineCombinersByKey(iter: Iterator[(K, C)]) : Iterator[(K, C)] = + combineCombinersByKey(iter, null) + def combineCombinersByKey(iter: Iterator[(K, C)], context: TaskContext) : Iterator[(K, C)] = { if (!externalSorting) { val combiners = new AppendOnlyMap[K,C] @@ -81,8 +88,9 @@ case class Aggregator[K, V, C] ( val (k, c) = iter.next() combiners.insert(k, c) } - context.taskMetrics.memoryBytesSpilled = combiners.memoryBytesSpilled - context.taskMetrics.diskBytesSpilled = combiners.diskBytesSpilled + // TODO: Make this non optional in a future release + Option(context).foreach(c => c.taskMetrics.memoryBytesSpilled = combiners.memoryBytesSpilled) + Option(context).foreach(c => c.taskMetrics.diskBytesSpilled = combiners.diskBytesSpilled) combiners.iterator } } |