HyukjinKwon commented on code in PR #44583:
URL: https://github.com/apache/spark/pull/44583#discussion_r1441147702
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core/src/main/scala/org/apache/spark/util/AccumulatorV2.scala:
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@@ -316,11 +316,11 @@ class LongAccumulator extends AccumulatorV2[jl.Long,
jl.Long] {
private var _count = 0L
/**
- * Returns false if this accumulator has had any values added to it or the
sum is non-zero.
+ * Returns true if this accumulator has had any values added to it or the
sum is non-zero.
*
* @since 2.0.0
*/
- override def isZero: Boolean = _sum == 0L && _count == 0
+ override def isUpdated: Boolean = _sum != 0L || _count != 0
Review Comment:
Hm, it's an API so you can't just rename it for backward compatibility
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