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Failed deployments events, currently interpreted through incident events, are used to compute change failure rate and mean time to restore (MTTR).
DORA Metrics supports the following data sources for deployment events. See the respective documentation to set up a data source for your deployment events:
Change failure rate requires both deployment data and incident data.
Change failure rate is calculated as the percentage of incident events out of the total number of deployments. Datadog divides dora.incidents.count
over dora.deployments.count
for the same services and/or teams associated to both an failure and a deployment event.
Time to restore is calculated as the duration distribution for resolved incident events.
DORA Metrics generates the dora.time_to_restore
metric by recording the start and end times of each incident event. It calculates the mean time to restore (MTTR) as the average of these dora.time_to_restore
data points over a selected time frame.
Additional helpful documentation, links, and articles: