cloud-fan commented on a change in pull request #25295: [SPARK-28560][SQL]
Optimize shuffle reader to local shuffle reader when smj converted to bhj in
adaptive execution
URL: https://github.com/apache/spark/pull/25295#discussion_r334366021
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File path: core/src/main/scala/org/apache/spark/MapOutputTracker.scala
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@@ -669,6 +685,31 @@ private[spark] class MapOutputTrackerMaster(
None
}
+ /**
+ * Return the locations where the Mapper(s) ran. The locations each includes
both a host and an
Review comment:
The doc should be updated as we only get one location for one mapper now.
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