Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/5392#discussion_r28757203
--- Diff: core/src/main/scala/org/apache/spark/util/Utils.scala ---
@@ -922,6 +922,24 @@ private[spark] object Utils extends Logging {
}
/**
+ * Wrapper over newSingleThreadExecutor. Thread names are formatted as
prefix-ID, where ID is a
+ * unique, sequentially assigned integer.
+ */
+ def newDaemonSingleThreadExecutor(prefix: String): ExecutorService = {
+ val threadFactory = namedThreadFactory(prefix)
+ Executors.newSingleThreadExecutor(threadFactory)
+ }
+
+ /**
+ * Wrapper over newSingleThreadScheduledExecutor. Thread names are
formatted as prefix-ID, where
+ * ID is a unique, sequentially assigned integer.
--- End diff --
since this is a single thread, ID is always 1 right?
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