cloud-fan commented on a change in pull request #32534:
URL: https://github.com/apache/spark/pull/32534#discussion_r643122046
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File path: core/src/main/scala/org/apache/spark/storage/memory/MemoryStore.scala
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@@ -21,9 +21,14 @@ import java.io.OutputStream
import java.nio.ByteBuffer
import java.util.LinkedHashMap
+import scala.collection.JavaConverters._
import scala.collection.mutable
import scala.collection.mutable.ArrayBuffer
+import scala.concurrent.ExecutionContext.Implicits.global
Review comment:
shall we create a dedicated thread pool (with a reasonable capacity) to
run the closing tasks?
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