From a284a84b4e05eb1ba9792a542d23f21de0de0ecb Mon Sep 17 00:00:00 2001
From: Konstantin Knizhnik <konstantin.knizhnik@databricks.com>
Date: Thu, 5 Mar 2026 09:45:50 +0200
Subject: [PATCH] Log stop of walreceiver

---
 src/backend/replication/walreceiver.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/backend/replication/walreceiver.c b/src/backend/replication/walreceiver.c
index 05445dc4f40..a6f85108b97 100644
--- a/src/backend/replication/walreceiver.c
+++ b/src/backend/replication/walreceiver.c
@@ -1003,6 +1003,13 @@ XLogWalRcvFlush(bool dying, TimeLineID tli)
 {
 	Assert(tli != 0);
 
+	if (dying)
+	{
+		ereport(LOG,
+				(errmsg("stop streaming WAL from primary at %X/%X on timeline %u",
+						LSN_FORMAT_ARGS(LogstreamResult.Write), tli)));
+	}
+
 	if (LogstreamResult.Flush < LogstreamResult.Write)
 	{
 		WalRcvData *walrcv = WalRcv;