spec:
  targetRefs:
  - group: core
    kind: Service
    name: tea
  loadBalancingMethod: "hash"

The UpstreamSettingsPolicy "usp-lb" is invalid: spec: Invalid value: "object": hashKey is required when loadBalancingMethod is 'hash' or 'hash consistent'

  loadBalancingMethod: "hash"
  hashKey: "upstream"
The UpstreamSettingsPolicy "usp-lb" is invalid: spec.hashKey: Invalid value: "upstream": spec.hashKey in body should match '^\$[a-z_]+$'

  loadBalancingMethod: "least_time"
    Conditions:
      Last Transition Time:  2025-11-21T05:54:56Z
      Message:               spec.loadBalancingMethod: Invalid value: "least_time": NGINX OSS only supports the following load balancing methods: round_robin, least_conn, ip_hash, random, hash, hash consistent, random two, random two least_conn

The UpstreamSettingsPolicy "usp-lb" is invalid: 
* spec.loadBalancingMethod: Unsupported value: "invalid-method": supported values: "round_robin", "least_conn", "ip_hash", "hash", "hash consistent", "random", "random two", "random two least_conn", "random two least_time", "random two least_time=header", "random two least_time=last_byte", "least_time", "least_time header", "least_time last_byte", "least_time header inflight", "least_time last_byte inflight"
* <nil>: Invalid value: null: some validation rules were not checked because the object was invalid; correct the existing errors to complete validation

upstream default_tea_80 {
    zone default_tea_80 1m;
    state /var/lib/nginx/state/default_tea_80.conf;

  loadBalancingMethod: "hash"
  hashKey: "$upstream_addr"

upstream default_tea_80 {
    hash $upstream_addr;
    zone default_tea_80 512k;


    server 10.244.0.27:8080;

  loadBalancingMethod: "hash consistent"
  hashKey: "$upstream_addr"

upstream default_tea_80 {
    hash $upstream_addr consistent;
    zone default_tea_80 512k;

upstream default_tea_80 {
    least_time header;
    zone default_tea_80 1m;

    state /var/lib/nginx/state/default_tea_80.conf;

}

NONE