v3-0001-Fix-SMgrRelation-object-memory-leak-during-startup-r.patch

From 605b8a383e54e9c9282d129f49bbe7c8a9f4f04e Mon Sep 17 00:00:00 2001
From: mrdrivingduck <mrdrivingduck@gmail.com>
Date: Mon, 25 Aug 2025 23:46:06 +0800
Subject: [PATCH] Fix SMgrRelation object memory leak during startup redo

---
 src/backend/access/transam/xlog.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c
index 7ffb2179151..cadd390db39 100644
--- a/src/backend/access/transam/xlog.c
+++ b/src/backend/access/transam/xlog.c
@@ -8438,6 +8438,14 @@ xlog_redo(XLogReaderState *record)
 							checkPoint.ThisTimeLineID, replayTLI)));
 
 		RecoveryRestartPoint(&checkPoint, record);
+
+		/*
+		 * After any checkpoint, free all smgr objects.  Otherwise we
+		 * would never do so for dropped relations, as the startup does
+		 * not process shared invalidation messages or call
+		 * AtEOXact_SMgr().
+		 */
+		smgrdestroyall();
 	}
 	else if (info == XLOG_OVERWRITE_CONTRECORD)
 	{
-- 
2.39.5 (Apple Git-154)