Github user ksakellis commented on a diff in the pull request:
https://github.com/apache/spark/pull/3120#discussion_r20331209
--- Diff: core/src/main/scala/org/apache/spark/rdd/HadoopRDD.scala ---
@@ -252,7 +258,7 @@ class HadoopRDD[K, V](
&& bytesReadCallback.isDefined) {
recordsSinceMetricsUpdate = 0
val bytesReadFn = bytesReadCallback.get
- inputMetrics.bytesRead = bytesReadFn()
+ inputMetrics.bytesRead = bytesReadFn() + bytesReadAtStart
--- End diff --
This seems like a reasonable solution to me. @pwendell you originally had
objections to adding the callback the inpuitMetrics object. (
https://github.com/sryza/spark/commit/9f1d77cc0eb0f5206ac52621fb85c99cae56f945)
Given this new info, are you okay with continuing down this path?
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