Mean time to resolution

As explained in Platform Engineering on Kubernetes

Time to restore service is the elapsed time required to recover from a production problem and return a service to normal operation.

Mean time to resolution, called time to restore service in DORA metrics, measures how long it takes to recover from a production problem and return service to normal operation. section 9.1

It is one of the recovery metrics used to assess software delivery performance. To calculate it, teams collect data from delivery systems, standardize and process that data, then store and share the resulting metrics. section 9.1 section 9.2.2

A metrics pipeline can:

• Collect events from different systems and adapt non-CloudEvents inputs to the CloudEvents format. section 9.2.2
• Transform and process the data to calculate metrics, store the results, and make them available through a dashboard. section 9.2.2

Figure 9.4 Recovery metrics data sources

View the recovery-metrics data sources in the pipeline architecture. section 9.1

How Platform Engineering on Kubernetes covers it

How deep it goes

Defines elapsed recovery time and places it among recovery indicators, but gives no metric-specific calculation formula.

Examples

Illustrates recovery metrics with a data-source architecture and a pipeline for collecting, transforming, calculating, storing, and exposing metrics.

What it assumes

Requires data from delivery systems and event sources; adapts inputs that do not follow CloudEvents to that format.

What you can do after

Apply it by collecting event data, standardizing inputs, calculating metrics, and storing results for sharing through a dashboard.

How it connects

Links time to restore service with change failure rate, DORA metrics, and continuous delivery performance.

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

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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 Platform Engineering on Kubernetes. The section links point to the parts of the book it draws on.