PrometheusRule.spec.groups[].rules[].keep_firing_for

keep_firing_for defines how long an alert will continue firing after the condition that triggered it has cleared.

• minLength: 1
• pattern: ^(0|(([0-9]+)y)?(([0-9]+)w)?(([0-9]+)d)?(([0-9]+)h)?(([0-9]+)m)?(([0-9]+)s)?(([0-9]+)ms)?)$