diff --git a/src/backend/postmaster/postmaster.c b/src/backend/postmaster/postmaster.c
index 55471085086..75f2f82548f 100644
--- a/src/backend/postmaster/postmaster.c
+++ b/src/backend/postmaster/postmaster.c
@@ -1183,7 +1183,17 @@ PostmasterMain(int argc, char *argv[])
 	 * Log_destination permits.  We don't do this until the postmaster is
 	 * fully launched, since startup failures may as well be reported to
 	 * stderr.
+	 *
+	 * If we are in fact disabling logging to stderr, first emit a log message
+	 * saying so, to provide a breadcrumb trail for users who may not remember
+	 * that their logging is configured to go somewhere else.
 	 */
+	if (!(Log_destination & LOG_DESTINATION_STDERR))
+		ereport(LOG,
+				(errmsg("ending log output to stderr"),
+				 errhint("Future log output will go to log destination \"%s\".",
+						 Log_destination_string)));
+
 	whereToSendOutput = DestNone;
 
 	/*
diff --git a/src/backend/postmaster/syslogger.c b/src/backend/postmaster/syslogger.c
index e3b61025162..8b00aa525b2 100644
--- a/src/backend/postmaster/syslogger.c
+++ b/src/backend/postmaster/syslogger.c
@@ -634,6 +634,20 @@ SysLogger_Start(void)
 			/* now we redirect stderr, if not done already */
 			if (!redirection_done)
 			{
+#ifdef WIN32
+				int			fd;
+#endif
+
+				/*
+				 * Leave a breadcrumb trail when redirecting, in case the user
+				 * forgets that redirection is active and looks only at the
+				 * original stderr target file.
+				 */
+				ereport(LOG,
+						(errmsg("redirecting log output to logging collector process"),
+						 errhint("Future log output will appear in directory \"%s\".",
+								 Log_directory)));
+
 #ifndef WIN32
 				fflush(stdout);
 				if (dup2(syslogPipe[1], fileno(stdout)) < 0)
@@ -649,8 +663,6 @@ SysLogger_Start(void)
 				close(syslogPipe[1]);
 				syslogPipe[1] = -1;
 #else
-				int			fd;
-
 				/*
 				 * open the pipe in binary mode and make sure stderr is binary
 				 * after it's been dup'ed into, to avoid disturbing the pipe
diff --git a/src/backend/utils/error/elog.c b/src/backend/utils/error/elog.c
index 7f03f419dea..cebfeebad73 100644
--- a/src/backend/utils/error/elog.c
+++ b/src/backend/utils/error/elog.c
@@ -109,6 +109,7 @@ emit_log_hook_type emit_log_hook = NULL;
 int			Log_error_verbosity = PGERROR_VERBOSE;
 char	   *Log_line_prefix = NULL;		/* format for extra log line info */
 int			Log_destination = LOG_DESTINATION_STDERR;
+char	   *Log_destination_string = NULL;
 
 #ifdef HAVE_SYSLOG
 
diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c
index b53fdc2be37..a055231cfc0 100644
--- a/src/backend/utils/misc/guc.c
+++ b/src/backend/utils/misc/guc.c
@@ -442,8 +442,6 @@ int			tcp_keepalives_count;
  * cases provide the value for SHOW to display.  The real state is elsewhere
  * and is kept in sync by assign_hooks.
  */
-static char *log_destination_string;
-
 static char *syslog_ident_str;
 static bool phony_autocommit;
 static bool session_auth_is_superuser;
@@ -2833,7 +2831,7 @@ static struct config_string ConfigureNamesString[] =
 						 "depending on the platform."),
 			GUC_LIST_INPUT
 		},
-		&log_destination_string,
+		&Log_destination_string,
 		"stderr",
 		check_log_destination, assign_log_destination, NULL
 	},
diff --git a/src/include/utils/elog.h b/src/include/utils/elog.h
index 85bd2fdf8a2..76f6367840d 100644
--- a/src/include/utils/elog.h
+++ b/src/include/utils/elog.h
@@ -423,6 +423,7 @@ typedef enum
 extern int	Log_error_verbosity;
 extern char *Log_line_prefix;
 extern int	Log_destination;
+extern char *Log_destination_string;
 
 /* Log destination bitmap */
 #define LOG_DESTINATION_STDERR	 1