Github user davies commented on a diff in the pull request:
https://github.com/apache/spark/pull/12899#discussion_r62077575
--- Diff: core/src/main/scala/org/apache/spark/scheduler/DAGScheduler.scala
---
@@ -1097,8 +1097,8 @@ class DAGScheduler(
throw new SparkException(s"attempted to access non-existent
accumulator $id")
}
acc.merge(updates.asInstanceOf[AccumulatorV2[Any, Any]])
- // To avoid UI cruft, ignore cases where value wasn't updated
- if (acc.name.isDefined && !updates.isZero) {
+ // Only display named accumulators on UI.
+ if (acc.name.isDefined) {
--- End diff --
Why this change?
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