Github user priteshm commented on a diff in the pull request:
https://github.com/apache/drill/pull/1135#discussion_r171731905
--- Diff: distribution/src/resources/drillbit.sh ---
@@ -45,7 +45,7 @@
# configuration file. The option takes precedence over the
# DRILL_CONF_DIR environment variable.
#
-# The command is one of: start|stop|status|restart|run
+# The command is one of: start|stop|status|restart|run|graceful_stop
--- End diff --
not sure if this is critical, but other options to consider are "finish" or
"drain".
---