Alerting at scale with Azure Monitor

In most enterprise environments governance dictates how alerting for a certain resource needs to look like. Until just recently Azure Monitor only supported to configure alerts based on individual resources and this had to be replicated throughout the organization. Duplication of alert rules requires continued effort to maintain correct alert rules and ensure that all necessary alerting is configured for each project.…

Azure Monitoring & Operations hackathon

A request that I get many times is to provide guidance and best-practices on how to implement monitoring and operations management with and/or for Azure. Most organizations have subtle differences which makes it hard to put out a generic concept of how to enable this.…

Excluding deallocated VMs from availability alerting (3/3: Alert rule excluding deallocated VMs)

This problem is probably as old as there are monitoring tools on the market. “How can I exclude legitimately deallocated VMs from alerting” is a question that I’ve heard many times. Where most monitoring tools such as System Center Operations Manager have tooling around the concept of maintenance mode where all alerts are suppressed for a duration of time; Azure Monitor has no provisions at this point.…

Excluding deallocated VMs from availability alerting (2/3: Validate VM state)

This problem is probably as old as there are monitoring tools on the market. “How can I exclude legitimately deallocated VMs from alerting” is a question that I’ve heard many times. Where most monitoring tools such as System Center Operations Manager have tooling around the concept of maintenance mode where all alerts are suppressed for a duration of time; Azure Monitor has no provisions at this point.…

Excluding deallocated VMs from availability alerting (1/3: Track VM state)

This problem is probably as old as there are monitoring tools on the market. “How can I exclude legitimately deallocated VMs from alerting” is a question that I’ve heard many times. Where most monitoring tools such as System Center Operations Manager have tooling around the concept of maintenance mode where all alerts are suppressed for a duration of time; Azure Monitor has no provisions at this point.…

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.…

Alert on requests/s for Azure App Service

A customer of mine had the following rule configured: It 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.…