hard20 pts · first answer countsincident-responsedeployment-strategies

First move in a post-deploy outage

Ten minutes after a deploy, checkout errors jump to 30 percent. The diff touched several services and nobody knows the cause yet. As incident commander, what is the best first action?

A.Roll back to the last known good version to restore service, then investigate the cause.B.Ask every engineer to read the full diff carefully until someone spots the bug, then fix it.C.Wait about 30 minutes to see whether the errors clear up on their own before acting at all.D.Push a hotfix forward straight to production, based on the most likely guess at the bug in the diff.

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First move in a post-deploy outage

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