broker: use 128 as default FD limit
FDs are special on UNIX systems, as there is a rather arbitrary limit
of 1024. Lets align with this and use a reasonable default.
@@ -20,7 +20,7 @@ int main_arg_controller = 3;
int main_arg_log = -1;
const char *main_arg_machine_id = NULL;
uint64_t main_arg_max_bytes = 512 * 1024 * 1024;
-uint64_t main_arg_max_fds = 16 * 1024;
+uint64_t main_arg_max_fds = 128;
uint64_t main_arg_max_matches = 16 * 1024;
uint64_t main_arg_max_objects = 16 * 1024 * 1024;
