The instance is being drained. The existing connections to the instance
have time to complete, but the new ones are being refused.
Healthy
The instance is reachable i.e. a connection to the application health
checking endpoint can be established, and conforms to the requirements
defined by the health check.
Timeout
The instance is unreachable i.e. a connection to the application health
checking endpoint cannot be established, or the server does not respond
within the specified timeout.
Unhealthy
The instance is reachable, but does not conform to the requirements
defined by the health check.
Unknown
The health checking system is aware of the instance but its health is
not known at the moment.
Unspecified
There is no liveness health check for the instance. Only applicable for
instances in App Engine standard environment.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-03-21 UTC."],[[["The latest version of the `LivenessState` enum is 2.4.0, while this specific page is focused on version 1.2.0."],["The `LivenessState` enum represents the health check status for Flex instances within Google Cloud App Engine V1."],["The `LivenessState` enum includes six possible states: `Draining`, `Healthy`, `Timeout`, `Unhealthy`, `Unknown`, and `Unspecified`, each with a defined meaning."],["The `Unspecified` state is only used in the App Engine standard environment, indicating no liveness health check for the given instance."],["The namespace for the `LivenessState` enum is `Google.Cloud.AppEngine.V1`, and it is contained within the `Google.Cloud.AppEngine.V1.dll` assembly."]]],[]]