dongjoon-hyun commented on a change in pull request #28053:
[SPARK-29153][CORE]Add ability to merge resource profiles within a stage with
Stage Level Scheduling
URL: https://github.com/apache/spark/pull/28053#discussion_r401853579
##########
File path: core/src/main/scala/org/apache/spark/scheduler/DAGScheduler.scala
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@@ -447,10 +449,27 @@ private[spark] class DAGScheduler(
stageResourceProfiles: HashSet[ResourceProfile]): ResourceProfile = {
logDebug(s"Merging stage rdd profiles: $stageResourceProfiles")
val resourceProfile = if (stageResourceProfiles.size > 1) {
- // add option later to actually merge profiles - SPARK-29153
- throw new IllegalArgumentException("Multiple ResourceProfile's specified
in the RDDs for " +
- "this stage, please resolve the conflicting ResourceProfile's as Spark
doesn't" +
- "currently support merging them.")
+ if (shouldMergeResourceProfiles) {
+ val startResourceProfile = stageResourceProfiles.head
+ val mergedProfile = stageResourceProfiles.drop(1)
+ .foldLeft(startResourceProfile)((a, b) => mergeResourceProfiles(a,
b))
+ // compared merged profile with existing ones so we we don't add it
over and over again
Review comment:
`we we` -> `we`
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