dongjoon-hyun commented on a change in pull request #32730:
URL: https://github.com/apache/spark/pull/32730#discussion_r643669887
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File path: core/src/main/scala/org/apache/spark/MapOutputTracker.scala
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@@ -234,6 +252,7 @@ private class ShuffleStatus(
for (mapIndex <- mapStatuses.indices) {
if (mapStatuses(mapIndex) != null && f(mapStatuses(mapIndex).location)) {
_numAvailableMapOutputs -= 1
+ mapStatusesDeleted(mapIndex) = mapStatuses(mapIndex)
Review comment:
In that case, `mapId` is not the same, isn't it? We are reusing with
`mapId` at [line
170](https://github.com/apache/spark/pull/32730/files#diff-a3b15298f97577c1fadcc2d76d015eebd6343e246c6717417d33f3c458847f46R170),
@mridulm .
```
val index = mapStatusesDeleted.indexWhere(x => x != null && x.mapId == mapId)
```
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