From 6a04a2ab692c7e91ad39964fce2652f71356f028 Mon Sep 17 00:00:00 2001 From: root Date: Thu, 20 Oct 2022 16:28:58 +0000 Subject: [PATCH] Fix GetWALAvailability function code comments When checkpoint remove the WAL required for the replication stream, it invalidates the slot and walsender is terminated. --- src/backend/access/transam/xlog.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c index 81d339d57d..4ac46de508 100644 --- a/src/backend/access/transam/xlog.c +++ b/src/backend/access/transam/xlog.c @@ -7363,7 +7363,8 @@ CreateRestartPoint(int flags) * above. * * * WALAVAIL_REMOVED means it has been removed. A replication stream on - * a slot with this LSN cannot continue after a restart. + * a slot with this LSN cannot continue. Note that the affected processes + * have been terminated by checkpointer, too. * * * WALAVAIL_INVALID_LSN means the slot hasn't been set to reserve WAL. */ -- 2.25.1