Zabbix Documentation 2.4

2.23.04.04.2 (current)In development:4.4 (devel)Unsupported:1.82.02.43.23.4

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manual:config:items:history_and_trends

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manual:config:items:history_and_trends [2016/03/08 07:24]
martins-v since 2.2, if history is set to '0', the item will update only inventory. no trigger functions will be evaluated.
manual:config:items:history_and_trends [2016/03/15 05:57]
martins-v raising note level to important
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 While keeping shorter history, you will still be able to review older data in graphs, as graphs will use trend values for displaying older data. While keeping shorter history, you will still be able to review older data in graphs, as graphs will use trend values for displaying older data.
  
-<​note>​If history is set to '​0',​ the item will update only inventory. No trigger functions will be evaluated.</​note>​+<​note ​important>If history is set to '​0',​ the item will update only inventory. No trigger functions will be evaluated.</​note>​
  
 === Keeping trends === === Keeping trends ===
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 Trends usually can be kept for much longer than history. Any older data will be removed by the housekeeper. Trends usually can be kept for much longer than history. Any older data will be removed by the housekeeper.
  
-<​note>​If trends are set to '​0',​ Zabbix server does not calculate or store trends at all.</​note>​+<​note ​important>If trends are set to '​0',​ Zabbix server does not calculate or store trends at all.</​note>​
  
 <​note>​The trends are calculated and stored with the same data type as the original values. As the result the average value calculations of unsigned data type values are rounded and the less the value interval is the less precise the result will be. For example if item has values 0 and 1, the average value will be 0, not 0.5. <​note>​The trends are calculated and stored with the same data type as the original values. As the result the average value calculations of unsigned data type values are rounded and the less the value interval is the less precise the result will be. For example if item has values 0 and 1, the average value will be 0, not 0.5.