Mean time to resolution

As explained in Automating API Delivery

Mean time to restore is the average time required to recover a failed service or system to working condition.

Mean time to resolution (MTTR) measures the average time required to restore a failed API service or system to working condition. In an APIOps workflow, continuous reconciliation of API configuration helps reduce MTTR by making rollback to a previously working version straightforward. section 1.7

Use the deployment workflow to improve recovery performance:

• Store API configuration in Git and route changes through pull-request approval and an API CI/CD pipeline. section 1.7
• Let deployment agents continuously reconcile the running API configuration with the approved version. section 1.7
• When a configuration failure occurs, use git revert to return to a previously working version. section 1.7

Figure 1.9 In APIOps, you automate API governance as much as possible to deliver better compliance and reduced lead times.

Use the APIOps governance diagram to relate automated compliance and deployment workflows to reduced recovery effort and lead times. section 1.7

How Automating API Delivery covers it

How deep it goes

Explains the recovery mechanism through reconciliation and git revert, but does not define a calculation or measurement procedure.

Examples

Uses a failed API configuration and a git revert to a previously working version as the recovery example.

What it assumes

Assumes familiarity with API configuration, Git pull requests, CI/CD pipelines, and deployment agents.

What you can do after

Operate recovery workflows that restore failed API configurations by reverting approved Git changes.

How it connects

Connects MTTR with APIOps, API governance, Git-based deployment, CI/CD, continuous reconciliation, and rollback.

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Also explained in

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  Data-Driven CybersecurityThe average elapsed time required to resolve security incidents.
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  Effective Platform EngineeringMean time to recover is the average elapsed time from failure detection until service or functionality is restored.
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  Think Like a Software Engineering ManagerThe average time required to resolve a reported service problem or customer issue.
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  Platform Engineering on KubernetesTime to restore service is the elapsed time required to recover from a production problem and return a service to normal operation.

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Related concepts

• DORApart of · DORA is a research and measurement framework for software delivery performance, commonly using deployment frequency, lead time for changes, change failure rate, and time to restore service.
• service-level agreementconfigured by · A service-level agreement is a formal agreement or commitment that specifies measurable service expectations, responsibilities, and related terms between parties.
• customer satisfactionmeasures · Customer satisfaction is a measure of how favorably customers or users evaluate a product, service, interaction, or outcome in relation to their needs and expectations.
• metrickind of · A metric is a quantitative measure used to characterize or assess a property, condition, behavior, performance, or outcome.

This explainer was generated by Manning's knowledge graph from the text of Automating API Delivery. The section links point to the parts of the book it draws on.