Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/1476#discussion_r15123302
--- Diff: core/src/main/scala/org/apache/spark/util/JsonProtocol.scala ---
@@ -527,8 +527,9 @@ private[spark] object JsonProtocol {
metrics.resultSerializationTime = (json \ "Result Serialization
Time").extract[Long]
metrics.memoryBytesSpilled = (json \ "Memory Bytes
Spilled").extract[Long]
metrics.diskBytesSpilled = (json \ "Disk Bytes Spilled").extract[Long]
- metrics.shuffleReadMetrics =
- Utils.jsonOption(json \ "Shuffle Read
Metrics").map(shuffleReadMetricsFromJson)
+ Utils.jsonOption(json \ "Shuffle Read Metrics").map {
shuffleReadMetrics =>
+
metrics.updateShuffleReadMetrics(shuffleReadMetricsFromJson(shuffleReadMetrics))
--- End diff --
Not sure if you need to do this here, since we're creating a TaskMetrics
from scratch anyway
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