The 1.6.050113 have a new section that allows you to understand memory used by the Artica Web Interface service
You can see several php-cgi processes that run on your system.
Basically, this Web interface use lighttpd Web server engine to provide Web management interface.
Artica use 2 Web engine:
The first is the Web engine that provides administration Web pages.
The second is the framework that run in root and designed to listen orders from the Web interface on the loopback interface.
According your server performance, you can increase or decrease the memory consumption of the Web engine.
In this section, you can see the memory used and the process number used by the Web engine.

Click on the memory link on the front-end page


You have a new tab called "Web interface service"


In the left section your are allowed to increase daemon or reduce number of deamons.
Means increase = more memory use but a Web interface that run better

In the right section,you have the service status and the number of daemons executed bu the Web service console.