Monitors for Managed Apache HTTPd Server - Hybrid Cloud and IT Solutions

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Monitors for Managed Apache HTTPd Server

Updated by Jared Ruckle on Oct 14, 2014
Article Code: kb/953

The table below lists the supported monitors for the Managed Apache HTTPd Server service.

Monitor	Description	Frequency
Process Monitor	Verifies that Apache is running; if process is not running will automatically restart service. If this fails an alarm will be generated to Operations for resolution.	1 Min
Response Time	The amount of time it takes the Apache HTTPd server to respond to a simple request. The threshold is configurable. The default is greater than 2.00 seconds.	5 Min
Requests Per Second	Enabled Monitors the number of requests per second, if past a default value (75) this will throw an alert to Operations.	5 Min
Total Accesses	Watches total number of pages accesses; if greater than 100,000 in a 5 minute window will throw an alert to Operations.	5 Min
Authentication failures	Alerts Operations in the event an authentication fails.	5 Min
Log “error”	Monitors web server log for all Errors.	Instant
Log “fail”	Monitors web server log for all Failures.	Instant
Log “warn”	Monitors web server log for all warnings.	Instant
Log custom check	Customer is able to define custom defined log keyword checks in log entries.	Instant
Busy Workers %	Monitors the percentage of busy works versus max clients. The threshold is configurable. The default threshold is >99%	5 Min
Clients in Keep Alive %	Monitors the percentage of clients in keep alive state versus max clients. The threshold is configurable. The default threshold is >25%.	5 Min
Clients in DNS Lookup %	Monitors the percentage of clients in the dns lookup state versus max clients. The threshold is configurable. The default threshold is >25%.	5 Min
Clients in Logging %	Monitors the percentage of clients in the logging state versus max clients. The threshold is configurable. The default threshold is >80%.	5 Min
Total Mem Usage %	Monitors the total memory usage of all httpd processes versus total physical memory of the system. The threshold is configurable. The default threshold is >50%.	5 Min
URL Monitor	Remote monitor, which traverses the Internet and performs a simple http request and alerts when the specified timeout is exceeded. The default timeout is 120 seconds. The threshold is configurable and can be managed through the SAVVIS Station Portal.	5 Min