Question

When managing operational reliability, which specific metric represents the maximum allowable duration of downtime for a service before it violates its established Service Level Objective?

Accepted Answer

The specific metric that represents the maximum allowable duration of downtime for a service before it violates its Service Level Objective is the Error Budget. A Service Level Objective, or SLO, is a target level of reliability for a service, usually expressed as a percentage of successful requests or uptime, such as 99.9 percent. The Error Budget is the mathematical inverse of this target, representing the total amount of failure or downtime that a service is permitted to experience over a specific period, such as a month or a quarter, without breaching the agreement. For instance, if an SLO requires 99.9 percent uptime over a 30-day month, the service is allowed 0.1 percent downtime, which equals 43 minutes and 12 seconds. This 43-minute window is the Error Budget. If the service experiences downtime exceeding this duration, the Error Budget is exhausted, meaning the SLO has been violated.

When managing operational reliability, which specific metric represents the maximum allowable duration of downtime for a service before it violates its established Service Level Objective?

The specific metric that represents the maximum allowable duration of downtime for a service before it violates its Service Level Objective is the Error Budget. A Service Level Objective, or SLO, is a target level of reliability for a service, usually expressed as a perc....

Community Answers

Home → All Courses → Engineering and Technology Courses → Product Management Engineering → Flashcard

When managing operational reliability, which specific metric represents the maximum allowable duration of downtime for a service before it violates its established Service Level Objective?

The specific metric that represents the maximum allowable duration of downtime for a service before it violates its Service Level Objective is the Error Budget. A Service Level Objective, or SLO, is a target level of reliability for a service, usually expressed as a perc....

Community Answers