diff --git a/src/backend/postmaster/postmaster.c b/src/backend/postmaster/postmaster.c
index d6fc2ed..ff03ebd 100644
--- a/src/backend/postmaster/postmaster.c
+++ b/src/backend/postmaster/postmaster.c
@@ -398,6 +398,30 @@ extern int	optreset;			/* might not be declared by system headers */
 static DNSServiceRef bonjour_sdref = NULL;
 #endif
 
+#define USE_AFTER_AUX_FORK_SLEEP 3000
+
+#ifdef USE_AFTER_AUX_FORK_SLEEP
+#ifndef WIN32
+#define AFTER_AUX_FORK_SLEEP()
+#else
+#define AFTER_AUX_FORK_SLEEP() do { SleepEx(USE_AFTER_AUX_FORK_SLEEP, FALSE); } while(0)
+#endif
+#else
+#define AFTER_AUX_FORK_SLEEP()
+#endif
+
+#define USE_AFTER_BACKEND_FORK_SLEEP 500
+
+#ifdef USE_AFTER_BACKEND_FORK_SLEEP
+#ifndef WIN32
+#define AFTER_BACKEND_FORK_SLEEP()
+#else
+#define AFTER_BACKEND_FORK_SLEEP() do { SleepEx(USE_AFTER_BACKEND_FORK_SLEEP, FALSE); } while(0)
+#endif
+#else
+#define AFTER_BACKEND_FORK_SLEEP()
+#endif
+
 /*
  * postmaster.c - function prototypes
  */
@@ -1709,6 +1733,7 @@ ServerLoop(void)
 						 */
 						StreamClose(port->sock);
 						ConnFree(port);
+						AFTER_BACKEND_FORK_SLEEP();
 					}
 				}
 			}
@@ -2801,11 +2826,20 @@ reaper(SIGNAL_ARGS)
 			 * situation, some of them may be alive already.
 			 */
 			if (!IsBinaryUpgrade && AutoVacuumingActive() && AutoVacPID == 0)
+			{
 				AutoVacPID = StartAutoVacLauncher();
+				AFTER_AUX_FORK_SLEEP(); 
+			}
 			if (XLogArchivingActive() && PgArchPID == 0)
+			{
 				PgArchPID = pgarch_start();
+				AFTER_AUX_FORK_SLEEP();
+			}
 			if (PgStatPID == 0)
+			{
 				PgStatPID = pgstat_start();
+				AFTER_AUX_FORK_SLEEP();
+			}
 
 			/* some workers may be scheduled to start now */
 			maybe_start_bgworker();
@@ -5259,6 +5293,7 @@ StartChildProcess(AuxProcType type)
 	/*
 	 * in parent, successful fork
 	 */
+	AFTER_AUX_FORK_SLEEP();
 	return pid;
 }