SLOs fewer interruptions while you sleep

In Your Future - Fewer Interruptions While You Sleep

Nobl9 1.25 introduces alert resolution as part of an updated alerting mechanism

Our customers asked for a way to automate closing open alerts and help them notify their engineers about the fact. As a direct response to that feedback, we’ve added the ability to resolve an ongoing alert and inform customers about it via our PagerDuty integration. For those unfamiliar with PagerDuty, it’s a tool used for on-call management and notifications.

Every Nobl9 alert has a state reflecting its lifecycle: triggered, resolved, or canceled.


Nobl9 alerts state


The diagram above illustrates how those states are achieved. Nobl9 customers are able to manipulate the timings through two parameters:

  • lastsFor, which defines how long the alert conditions need to be met for the alert to fire.
  • cooldown, which defines how long the system should wait after the alert conditions drop below the threshold to resolve the alert. If the conditions are met again during the cooldown countdown, the countdown is stopped and reset.

Setting these parameters allows customers to prevent triggering false alerts (when the conditions are met but for an insufficient amount of time) or firing duplicate alerts (when the original alert shouldn’t actually have been resolved because the trigger conditions dropped, but not for long enough to cancel it).

SLO define alert condition

Support for sending alert resolution notifications is currently provided by the PagerDuty alert method, and this functionality will be added to more alert methods soon. Customers can easily add this option to new or existing PagerDuty alerts by selecting a checkbox in the Alert Policy Wizard or setting a sendResolution parameter in YAML.

SLO alert resolution notification

With this update, you’re one click away from getting a good night’s sleep–you won’t be bothered needlessly about potential issues that have already been resolved. Enable alert resolution and go back to bed!

If you’d like more information about this new feature, see the documentation on Alert Methods and PagerDuty

If you’d like to check it out for yourself and see what else Nobl9 has to offer, sign up for Nobl9 Free Edition at nobl9/signup.

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