Using the custom check you can run your own check scripts and let Pingdom get the status and response time. Just put your check script on a web server and enter the URL to the script above. The script needs to output XML in the format shown below. Any status other than OK will make the check count as down.
<br/><pingdom_http_custom_check> <status><strong>OK</strong></status> <response_time><strong>96.777</strong></response_time> </pingdom_http_custom_check><br/><br/>
The response time number has to be a positive number and is limited to 8 digits in the integer part and 3 in the fractional part, i.e. the maximum value is 99,999,999.999.
The HTTP Custom check allows you to monitor a wide variety of things, many of them not supported by the regular Uptime check.
If you are interested in monitoring MYSQL Jon Stacey has a great guide on how to set that up using the HTTP Custom check which can be found here.
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