Github user lianhuiwang commented on a diff in the pull request:
https://github.com/apache/spark/pull/636#discussion_r12507640
--- Diff:
core/src/main/scala/org/apache/spark/deploy/ApplicationDescription.scala ---
@@ -28,6 +28,7 @@ private[spark] class ApplicationDescription(
extends Serializable {
val user = System.getProperty("user.name", "<unknown>")
-
+ // only valid when spark.executor.multiPerWorker is set to true
+ var maxCorePerExecutor = maxCores
--- End diff --
yes,but in ApplicationInfo,app.coresLeft is equal to app.maxCores. so in
schedule when the sum of all worker free cores is greater than app.coresLeft,
now leftCoreToAssign actually is equal to maxCorePerExecutor.
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