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App Monitoring Dashboards

Dashboard: Apps - General

Availability: Business plan (limited), First Class plan

Some charts on this dashboard require the First Class plan.

Chart	Description
PHP processes (max)	The maximum number of concurrently running PHP processes for an app. Each concurrently executing request requires a separate PHP process. After a few seconds, if the inactive PHP process was not needed for executing any new requests, the PHP process is terminated so memory is not wasted.
PHP memory used (max)	The maximum memory used by an app's concurrently running PHP processes.
PHP request rate (max)	The maximum per-second rate of requests received by PHP for an app. Requests received by PHP were proxied from Apache. Apache proxies requests to PHP if the requested file has a ".php" extension or if the app's ".htaccess" rules indicate a request should be handled by PHP.
PHP slow request rate (max)	The maximum per-second rate of PHP requests received by an app that took longer than five seconds to execute.
PHP error log rate (max)	The maximum per-second rate of log entries in an app's PHP error log. Unlike Nginx and Apache, a single PHP request often will log multiple entries in an app's PHP error log. PHP error log entries can include not only errors but also warnings and deprecation notices, depending on the log level settings in the app's code.
OOM kills	The number of processes killed by the kernel's Out of Memory (OOM) manager. When a server runs out of both memory and swap space, the kernel must kill processes. Note: OOM Kills chart data is not available on Ubuntu 16.04.

Apps - Requests

Availability: First Class plan

Chart	Description
PHP request rate (avg)	The average per-second rate of requests received by PHP for an app. Requests received by PHP were proxied from Apache. Apache proxies requests to PHP if the requested file has a ".php" extension or if the app's ".htaccess" rules indicate a request should be handled by PHP.
PHP request rate (max)	The maximum per-second rate of requests received by PHP for an app. Requests received by PHP were proxied from Apache. Apache proxies requests to PHP if the requested file has a ".php" extension or if the app's ".htaccess" rules indicate a request should be handled by PHP.
PHP error log rate (avg)	The average per-second rate of log entries in an app's PHP error log. Unlike Nginx and Apache, a single PHP request often will log multiple entries in an app's PHP error log. PHP error log entries can include not only errors but also warnings and deprecation notices, depending on the log level settings in the app's code.
PHP error log rate (max)	The maximum per-second rate of log entries in an app's PHP error log. Unlike Nginx and Apache, a single PHP request often will log multiple entries in an app's PHP error log. PHP error log entries can include not only errors but also warnings and deprecation notices, depending on the log level settings in the app's code.
PHP slow request rate (avg)	The average per-second rate of PHP requests received by an app that took longer than five seconds to execute.
PHP slow request rate (max)	The maximum per-second rate of PHP requests received by an app that took longer than five seconds to execute.
Apache request rate (avg)	The average per-second rate of requests received by Apache for an app. Requests received by Apache were proxied from Nginx as Nginx is configured as a reverse proxy.
Apache request rate (max)	The maximum per-second rate of requests received by Apache for an app. Requests received by Apache were proxied from Nginx as Nginx is configured as a reverse proxy.
Apache error log rate (avg)	The average per-second rate of log entries in an app's Apache error log. Apache usually logs at most one entry per request in the Apache error log.
Apache error log rate (max)	The maximum per-second rate of log entries in an app's Apache error log. Apache usually logs at most one entry per request in the Apache error log.
Nginx request rate (avg)	The average per-second rate of requests received by Nginx for an app.
Nginx request rate (max)	The maximum per-second rate of requests received by Nginx for an app.
Nginx error log rate (avg)	The average per-second rate of log entries in an app's Nginx error log. Nginx usually logs at most one entry per request in the Nginx error log.
Nginx error log rate (max)	The maximum per-second rate of log entries in an app's Nginx error log. Nginx usually logs at most one entry per request in the Nginx error log.