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-rw-r--r--src/backend/storage/ipc/procarray.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/backend/storage/ipc/procarray.c b/src/backend/storage/ipc/procarray.c
index 283517d9566..06918759e7c 100644
--- a/src/backend/storage/ipc/procarray.c
+++ b/src/backend/storage/ipc/procarray.c
@@ -3901,6 +3901,9 @@ ProcArraySetReplicationSlotXmin(TransactionId xmin, TransactionId catalog_xmin,
if (!already_locked)
LWLockRelease(ProcArrayLock);
+
+ elog(DEBUG1, "xmin required by slots: data %u, catalog %u",
+ xmin, catalog_xmin);
}
/*