Github user ilganeli commented on a diff in the pull request:
https://github.com/apache/spark/pull/4020#discussion_r23056056
--- Diff: core/src/main/scala/org/apache/spark/executor/Executor.scala ---
@@ -257,8 +257,8 @@ private[spark] class Executor(
val serviceTime = System.currentTimeMillis() - taskStart
val metrics = attemptedTask.flatMap(t => t.metrics)
for (m <- metrics) {
- m.executorRunTime = serviceTime
- m.jvmGCTime = gcTime - startGCTime
+ m.incExecutorRunTime(serviceTime)
--- End diff --
I'm not sure whether the original behavior is necessarily correct. If the
goal is to track total run time for the task, why does it make sense to do an
assignment anywhere instead of an accumulation?
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