Github user kayousterhout commented on a diff in the pull request:
https://github.com/apache/spark/pull/1309#discussion_r14695696
--- Diff: core/src/main/scala/org/apache/spark/scheduler/TaskInfo.scala ---
@@ -42,6 +44,12 @@ class TaskInfo(
var gettingResultTime: Long = 0
/**
+ * Intermediate updates to accumulables during this task. Note that it
is valid for the same
+ * accumulable to be updated multiple times in a single task.
--- End diff --
The second sentence in this comment is confusing because it makes it sound
like this could have two entries for the same accumulator name...I'd just
remove it.
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