Github user mridulm commented on a diff in the pull request:
https://github.com/apache/spark/pull/21102#discussion_r203322643
--- Diff:
core/src/main/scala/org/apache/spark/util/collection/OpenHashSet.scala ---
@@ -163,7 +187,7 @@ class OpenHashSet[@specialized(Long, Int) T: ClassTag](
* to a new position (in the new data array).
*/
def rehashIfNeeded(k: T, allocateFunc: (Int) => Unit, moveFunc: (Int,
Int) => Unit) {
- if (_size > _growThreshold) {
+ if (_occupied > _growThreshold) {
--- End diff --
For accuracy sake - my example snippet above will fail much earlier - due
to OpenHashSet. MAX_CAPACITY. Though that is probably not the point anyway :-)
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