config doc

JoshRosen · Jun 5, 2024 · f84ca1e · f84ca1e
1 parent d6108ce
commit f84ca1e
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/core/src/main/scala/org/apache/spark/internal/config/package.scala b/core/src/main/scala/org/apache/spark/internal/config/package.scala
@@ -2208,6 +2208,9 @@ package object config {
 
   private[spark] val SUBMIT_CALL_SYSTEM_EXIT_ON_MAIN_EXIT =
     ConfigBuilder("spark.submit.callSystemExitOnMainExit")
+      .doc("If true, SparkSubmit will call System.exit() to initiate JVM shutdown once the " +
+        "user's main method has exited. This can be useful in cases where non-daemon JVM " +
+        "threads might otherwise prevent the JVM from shutting down on its own.")
       .version("4.0.0")
       .booleanConf
       .createWithDefault(false)