Azure Monitor alert time period vs. ago()

Every once in a while you might need to create an alert which runs a Log Analytics or Application Insights query. When designing the alert you need to define some attributes: the query, the time period, the frequency and the threshold. This article focuses on a not well know fact…

Alert on requests/s for Azure App Service

A customer of mine had the following rule configured: Alert configurationIt was his expectation that this rule would be triggered when in the last five minutes at some point more that 200 requests/s were being made to the App Service. Unfortunately this is not the case. The rule will…