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From: Kyotaro Horiguchi <[email protected]>
Subject: [PATCH v2 2/2] Make the message further detailed
Date: Wed, 15 Dec 2021 13:08:20 +0900

---
 src/backend/replication/slot.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/backend/replication/slot.c b/src/backend/replication/slot.c
index cba9a29113..695151e484 100644
--- a/src/backend/replication/slot.c
+++ b/src/backend/replication/slot.c
@@ -1255,7 +1255,9 @@ InvalidatePossiblyObsoleteSlot(ReplicationSlot *s, XLogRecPtr oldestLSN,
 				ereport(LOG,
 						(errmsg("terminating process %d to release replication slot \"%s\"",
 								active_pid, NameStr(slotname)),
-						 errdetail("The slot's restart_lsn %X/%X exceeds max_slot_wal_keep_size.", LSN_FORMAT_ARGS(restart_lsn))));
+						 errdetail("The slot's restart_lsn %X/%X is behind the limit %X/%X defined by max_slot_wal_keep_size.",
+								   LSN_FORMAT_ARGS(restart_lsn),
+								   LSN_FORMAT_ARGS(oldestLSN))));
 
 				(void) kill(active_pid, SIGTERM);
 				last_signaled_pid = active_pid;
@@ -1292,9 +1294,11 @@ InvalidatePossiblyObsoleteSlot(ReplicationSlot *s, XLogRecPtr oldestLSN,
 			ReplicationSlotRelease();
 
 			ereport(LOG,
-					(errmsg("invalidating slot \"%s\" because its restart_lsn %X/%X exceeds max_slot_wal_keep_size",
-							NameStr(slotname),
-							LSN_FORMAT_ARGS(restart_lsn))));
+					(errmsg("invalidating slot \"%s\"",
+							NameStr(slotname)),
+					 errdetail("The slot's restart_lsn %X/%X is behind the limit %X/%X defined by max_slot_wal_keep_size.",
+							LSN_FORMAT_ARGS(restart_lsn),
+							LSN_FORMAT_ARGS(oldestLSN))));
 
 			/* done with this slot for now */
 			break;
-- 
2.27.0


----Next_Part(Wed_Dec_15_13_12_18_2021_960)----





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