squito commented on a change in pull request #24374: [SPARK-27366][CORE]
Support GPU Resources in Spark job scheduling
URL: https://github.com/apache/spark/pull/24374#discussion_r275601104
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File path:
core/src/main/scala/org/apache/spark/executor/CoarseGrainedExecutorBackend.scala
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@@ -22,7 +22,8 @@ import java.nio.ByteBuffer
import java.util.Locale
import java.util.concurrent.atomic.AtomicBoolean
-import scala.collection.mutable
+import scala.collection.mutable.{HashMap, ListBuffer}
+import scala.runtime.ScalaRunTime._
Review comment:
is this used? if so, maybe better to say directly what is being imported as
its an unusual import
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