Health Checks
- Config File Key:
health_checks
- Type:
array of objects
- Optional
When defined, will issue periodic health check requests to upstream servers. When health checks are defined, unhealthy upstream servers would not serve traffic.
See also outlier_detection
for automatic upstream server health detection.
In presence of multiple upstream servers, it is recommended to set up either health_checks
or outlier_detection
or both.
See Envoy documentation for a list of supported parameters.
Only one of http_health_check
, tcp_health_check
, or grpc_health_check
may be configured per health_check object definition.
See Load Balancing for example configurations.