Zabbix Documentation 2.0

2.23.04.0 (current)In development:4.2 (devel)Unsupported:1.82.02.43.23.4

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manual:config:triggers

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manual:config:triggers [2014/09/26 11:32]
sasha Links adapted because of a move operation
manual:config:triggers [2019/02/11 06:57] (current)
martins-v triggers are evaluated based on history only
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 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. ​
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 +Triggers are evaluated based on [[:​manual/​config/​items/​history_and_trends|history]] data only; trend data are never considered.
  
 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. 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.
  
 You can [[manual:​config:​triggers:​expression|build trigger expressions]] with different degrees of complexity. You can [[manual:​config:​triggers:​expression|build trigger expressions]] with different degrees of complexity.