update: horizon config

config/horizon.php

@@ -182,7 +182,7 @@ return [
                 ],
                 'balance' => 'auto',
                 'minProcesses' => 1,
-                'maxProcesses' => (int)ceil($parser->getRam()['total'] / 1024 / 1024 / 1024 * 12),
+                'maxProcesses' => (int)ceil($parser->getRam()['total'] / 1024 / 1024 / 1024 * 6),
                 'tries' => 1,
                 'nice' => 0,
             ],