This section explains the metric measurement for the vFabric Web Server plugin.

vCenter Hyperic's vFabric Web Server plugin obtains runtime information, such as performance metrics, status, configuration, and current capacity using the open source mod_bmx module to access the Apache HTTPD BMX framework. The BMX framework exposes HTTPD server and vHost-level monitoring information through an HTTP endpoint.

mod_bmx uses two data providers to obtain metrics: mod_bmx_status and mod_bmx_vhost.

A server instance is considered available if it is found in the process table.

A virtual host is considered available if mod_bmx_vhost returns metrics for it.