Health Monitor shows high Apache CPU usage, though only nginx is used

Created:

2017-01-14 10:18:50 UTC

Modified:

2017-08-08 13:14:38 UTC

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Health Monitor shows high Apache CPU usage, though only nginx is used

Question

Why Health Monitor shows high Apache CPU usage, though only nginx is used by the domains?

Answer

The Health Monitor config file /etc/sw-collectd/conf.d/23process_Web.conf shows the following:

<Plugin processes>
    ProcessMatch "Web" "\/httpd|\/apache2|php-cgi|php-fpm|php5-fpm"
</Plugin>

<Plugin sw_mem>
    ProcessMatch "Web" "\/httpd|\/apache2|php-cgi|php-fpm|php5-fpm"
</Plugin>

It means that Health Monitor collects information about Apache, PHP-CGI and PHP-FPM and shows it in one section: Apache CPU Usage. So it does not matter whether PHP-FPM is served by Apache or nginx, Health Monitor will still show it in "Apache CPU Usage".

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