Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/931#discussion_r13878210
--- Diff:
core/src/main/scala/org/apache/spark/util/collection/ExternalAppendOnlyMap.scala
---
@@ -292,14 +296,13 @@ class ExternalAppendOnlyMap[K, V, C](
}
// Select a key from the StreamBuffer that holds the lowest key hash
val minBuffer = mergeHeap.dequeue()
- val (minPairs, minHash) = (minBuffer.pairs, minBuffer.minKeyHash)
+ val minPairs = minBuffer.pairs
var (minKey, minCombiner) = minPairs.remove(0)
- assert(minKey.hashCode() == minHash)
// For all other streams that may have this key (i.e. have the same
minimum key hash),
// merge in the corresponding value (if any) from that stream
val mergedBuffers = ArrayBuffer[StreamBuffer](minBuffer)
- while (mergeHeap.length > 0 && mergeHeap.head.minKeyHash == minHash)
{
+ while (mergeHeap.length > 0 &&
comparator.compare(mergeHeap.head.pairs.head, (minKey, minCombiner)) == 0) {
--- End diff --
nit: break this line at `&&`. I believe this is failing the tests
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