Github user sryza commented on a diff in the pull request: https://github.com/apache/spark/pull/2968#discussion_r19931259 --- Diff: core/src/main/scala/org/apache/spark/rdd/HadoopRDD.scala --- @@ -249,7 +248,7 @@ class HadoopRDD[K, V]( && bytesReadCallback.isDefined) { recordsSinceMetricsUpdate = 0 val bytesReadFn = bytesReadCallback.get - inputMetrics.bytesRead = bytesReadFn() + context.taskMetrics.inputMetrics.get.bytesRead = bytesReadFn() --- End diff -- This change is a followup from SPARK-2621 that @pwendell asked to include here. Since there's not consensus on the best way to do this, and it's not really related to output metrics, I'm going to take this out.
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