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False alarm on zabbix trigger in web scenario

Server Fault Asked on November 4, 2021

I have a website whose running on Apache Server. I want recieve a notification every time when a web site falling down.I created a trigger:

{Zabbix server:web.test.fail[http:example.com].sum(#6)}>0

But website running not well and i receive a error every 6 hours or 30 minutes.

How writing a trigger which send me a notification after 12 minutes (for example) error site?

I just want to my trigger didn’t catch a small error of web site. Only global crash.

2 Answers

You can increase the number of attempts in web scenario to eliminate some of the false errors.

Answered by Paweł Zimny on November 4, 2021

You can use the min / max function for this purpose.

For example

{Zabbix server:web.test.fail[http:example.com].min(12m)}>0

The trigger will work if the site is unavailable within 12 minutes.

And with this example

{Zabbix server:web.test.fail[http:example.com].max(12m)}<1

You can return the trigger to working condition if the site is available for more than 12 minutes

https://www.zabbix.com/documentation/4.2/ru/manual/appendix/triggers/functions

Answered by Antonnvk on November 4, 2021

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