Change minimum max_worker_processes from 1 to 0

Setting it to 0 is probably not useful in practice, but it allows
testing of situations without available background worker slots.

diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c
index 6ac5184b3743fe0aed88b1b3a6ee7a170f3a9f69..9c93df0f0a49efbecee3e7dc8cc60dd73cd9af46 100644 (file)
--- a/src/backend/utils/misc/guc.c
+++ b/src/backend/utils/misc/guc.c
@@ -2469,7 +2469,7 @@ static struct config_int ConfigureNamesInt[] =
                        NULL,
                },
                &max_worker_processes,
-               8, 1, MAX_BACKENDS,
+               8, 0, MAX_BACKENDS,
                check_max_worker_processes, NULL, NULL
        },