Increase default graceful timeout.

Author: samuel-williams-shopify

lib/async/container/group.rb

@@ -23,7 +23,7 @@ module Container
 		end
 
 		# The default timeout for graceful termination.
-		DEFAULT_GRACEFUL_TIMEOUT = 10.0
+		DEFAULT_GRACEFUL_TIMEOUT = 30.0
 
 		# Manages a group of running processes.
 		class Group
@@ -167,7 +167,7 @@ def kill
 			# 1. Send SIGINT and wait up to `graceful` seconds if specified.
 			# 2. Send SIGKILL and wait indefinitely for process cleanup.
 			#
-			# If `graceful` is true, default to `DEFAULT_GRACEFUL_TIMEOUT` (10 seconds).
+			# If `graceful` is true, default to `DEFAULT_GRACEFUL_TIMEOUT` (30 seconds).
 			# If `graceful` is false, skip the SIGINT phase and go directly to SIGKILL.
 			#
 			# @parameter graceful [Boolean | Numeric] Whether to send SIGINT first or skip directly to SIGKILL.
@@ -191,6 +191,10 @@ def stop(graceful = GRACEFUL_TIMEOUT)
 			ensure
 				# Do our best to clean up the children:
 				if any?
+					if graceful
+						Console.warn(self, "Killing processes after graceful shutdown failed...", size: self.size, clock: clock)
+					end
+
 					self.kill
 					self.wait
 				end