xumingming commented on code in PR #1731:
URL: https://github.com/apache/auron/pull/1731#discussion_r2609157482
##########
thirdparty/auron-celeborn-0.6/src/main/scala/org/apache/spark/sql/execution/auron/shuffle/celeborn/AuronCelebornShuffleWriter.scala:
##########
@@ -76,4 +76,19 @@ class AuronCelebornShuffleWriter[K, V](
Shims.get
.getMapStatus(blockManagerId,
celebornPartitionWriter.getPartitionLengthMap, mapId))
}
+
+ // Override stop to use partition length map directly instead of rssStop's
mapStatus
+ // because celeborn writer doesn't populate partition sizes correctly when
using native writer
Review Comment:
> celeborn writer doesn't populate partition sizes correctly when using
native writer
Two questions here:
1. Why the partition sizes are not populated correctly?
2. Can we fix the issue by correctly populating partition sizes instead?
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