diff options
Diffstat (limited to 'src/backend/utils/init/postinit.c')
| -rw-r--r-- | src/backend/utils/init/postinit.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/src/backend/utils/init/postinit.c b/src/backend/utils/init/postinit.c index c0b62314580..a5ee209f910 100644 --- a/src/backend/utils/init/postinit.c +++ b/src/backend/utils/init/postinit.c @@ -527,7 +527,7 @@ InitializeMaxBackends(void) /* the extra unit accounts for the autovacuum launcher */ MaxBackends = MaxConnections + autovacuum_max_workers + 1 + - max_worker_processes; + max_worker_processes + max_wal_senders; /* internal error because the values were all checked previously */ if (MaxBackends > MAX_BACKENDS) @@ -811,12 +811,11 @@ InitPostgres(const char *in_dbname, Oid dboid, const char *username, } /* - * The last few connection slots are reserved for superusers. Although - * replication connections currently require superuser privileges, we - * don't allow them to consume the reserved slots, which are intended for - * interactive use. + * The last few connection slots are reserved for superusers. Replication + * connections are drawn from slots reserved with max_wal_senders and not + * limited by max_connections or superuser_reserved_connections. */ - if ((!am_superuser || am_walsender) && + if (!am_superuser && !am_walsender && ReservedBackends > 0 && !HaveNFreeProcs(ReservedBackends)) ereport(FATAL, |