Github user tgravescs commented on a diff in the pull request:
https://github.com/apache/spark/pull/15009#discussion_r100316057
--- Diff:
launcher/src/main/java/org/apache/spark/launcher/LauncherServer.java ---
@@ -89,11 +89,32 @@
private static volatile LauncherServer serverInstance;
/**
- * Creates a handle for an app to be launched. This method will start a
server if one hasn't been
+ * Creates a handle for an app to be launched using ChildProc.
+ * This method will start a server if one hasn't been
* started yet. The server is shared for multiple handles, and once all
handles are disposed of,
* the server is shut down.
*/
static synchronized ChildProcAppHandle newAppHandle() throws IOException
{
+ return (ChildProcAppHandle) LauncherServer.newAppHandle(false);
+ }
+
+ /**
+ * Creates a handle for an app to be launched from a Thread within the
current JVM.
+ * This method will start a server if one hasn't been
+ * started yet. The server is shared for multiple handles, and once all
handles are disposed of,
+ * the server is shut down.
+ */
+ static synchronized ChildThreadAppHandle newAppThreadHandle() throws
IOException {
+ return (ChildThreadAppHandle) LauncherServer.newAppHandle(true);
+ }
+
--- End diff --
nit, remove extra line
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