https://docs.foji.io/index.php?action=history&feed=atom&title=Alert_Instances 2026-06-22T05:26:47Z Revision history for this page on the wiki MediaWiki 1.40.1 https://docs.foji.io/index.php?title=Alert_Instances&diff=134&oldid=prev 2024-01-02T17:40:09Z

<p>Created page with &quot;FojiSoft managed alerts support multi-dimensional alerting. Each alert rule can create multiple alert instances. This is exceptionally powerful if you are observing multiple series in a single expression. Consider the following PromQL expression: &#039;&#039;&#039;sum by(cpu) (  rate(node_cpu_seconds_total{mode!=&quot;idle&quot;}[1m]))&#039;&#039;&#039; A rule using this expression will create as many alert instances as the amount of CPUs we are observing after the first evaluation, allowing a single rule...&quot;</p> <p><b>New page</b></p><div>FojiSoft managed alerts support multi-dimensional alerting. Each alert rule can create multiple alert instances. This is exceptionally powerful if you are observing multiple series in a single expression.<br /> <br /> Consider the following PromQL expression:<br /> <br /> &#039;&#039;&#039;sum by(cpu) (  rate(node_cpu_seconds_total{mode!=&quot;idle&quot;}[1m]))&#039;&#039;&#039;<br /> <br /> A rule using this expression will create as many alert instances as the amount of CPUs we are observing after the first evaluation, allowing a single rule to report the status of each CPU.<br /> [[File:Visualize alert instances.png|center|frameless|700x700px]]<br /> [[Category:Visualize]]</div>

Chris.Hansen