Observability

What is Operate? Operate, the second of the Four Pillars of Feature Management, encompasses feature flag use cases that improve the operational health of your application. It entails making feature flags a mission-critical piece of your operations. As deployment speeds and infrastructural complexity go up, so does the need for operational safeguards. Feature management is that safeguard. Teams that use feature flags via a feature management platform reduce risk and ensure customers remain satisfied with their service. They dramatically cut down on serious incidents. For example, as previously cited, Honeycomb has a “change fail rate” of just 0.1% , a feat shared only by the world’s most elite software teams. And the company cites its use of LaunchDarkly as a big reason for its exceedingly low failure rate. ...

HTTP and TCP Long name Short name Description NoHealthyUpstream UH No healthy upstream hosts in upstream cluster in addition to 503 response code. UpstreamConnectionFailure UF Upstream connection failure in addition to 503 response code. UpstreamOverflow UO Upstream overflow (circuit breaking ) in addition to 503 response code. NoRouteFound NR No route configured for a given request in addition to 404 response code or no matching filter chain for a downstream connection. UpstreamRetryLimitExceeded URX The request was rejected because the upstream retry limit (HTTP) or maximum connect attempts (TCP) was reached. NoClusterFound NC Upstream cluster not found. DurationTimeout DT When a request or connection exceeded max_connection_duration or max_downstream_connection_duration . HTTP only ...