The Mysqld_safe process is not running on GWs. but the mysqld process is running.
Release : 10.0
Component : API GATEWAY
The MySQL instance installed with the gateway appliance is not configured to use mysqld_safe .
see also
https://dev.mysql.com/doc/refman/5.7/en/mysqld-safe.html
For some Linux platforms, MySQL installation from RPM or Debian packages includes systemd support for managing MySQL server startup and shutdown. On these platforms, mysqld_safe is not installed because it is unnecessary. For more information, see Section 2.5.10, “Managing MySQL Server with systemd”.