Zabbix Documentation 4.2

3.04.04.45.0 (current)| In development:5.2 (devel)| Unsupported:1.82.02.22.43.23.44.2Guidelines

User Tools

Site Tools


manual:config:triggers

Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Next revision
Previous revision
manual:config:triggers [2014/09/25 14:42]
sasha Page moved from 2.4:manual:config:triggers to manual:config:triggers
manual:config:triggers [2019/02/11 06:56] (current)
martins-v triggers are evaluated based on history only
Line 1: Line 1:
-===== - #3 Triggers =====+===== 3 Triggers =====
  
 === Overview === === Overview ===
Line 17: Line 17:
 Trigger status (the expression) is recalculated every time Zabbix server receives a new value that is part of the expression. ​ Trigger status (the expression) is recalculated every time Zabbix server receives a new value that is part of the expression. ​
  
-If time-based functions (**nodata()**,​ **date()**, **dayofmonth()**,​ **dayofweek()**,​ **time()**, **now()**) are used in the expression, the trigger is recalculated every 30 seconds by a Zabbix ​//timer// process. If both time-based and non-time-based functions ​are used in an expression, it is recalculated when a new value is received **and** every 30 seconds+Triggers are evaluated ​based on [[:manual/config/items/history_and_trends|history]] data only; trend data are never considered.
  
-You can [[:2.4/manual/config/triggers/expression|build trigger expressions]] with different degrees of complexity.+If time-based functions (**nodata()**,​ **date()**, **dayofmonth()**,​ **dayofweek()**,​ **time()**, **now()**) are used in the expression, the trigger is recalculated every 30 seconds by a Zabbix //history syncer// process. If both time-based and non-time-based functions are used in an expression, it is recalculated when a new value is received **and** every 30 seconds.  
 + 
 +You can [[manual:config:triggers:expression|build trigger expressions]] with different degrees of complexity.