// Prioritize based on extender-implemented priority functions. The returned scores & weight
	// are used to compute the weighted score for an extender. The weighted scores are added to
	// the scores computed by Kubernetes scheduler. The total scores are used to do the host selection.
	Prioritize(pod *v1.Pod, nodes []*NodeInfo) (hostPriorities *extenderv1.HostPriorityList, weight int64, err error)

      ports:
        http: 8081
      labels:
        version: v2
---
apiVersion: networking.istio.io/v1alpha3
kind: DestinationRule
metadata:
  name: fault
  namespace: testns
spec:
  host: c-weighted.extsvc.com
  subsets:
    - name: v1
      labels:
        version: v1
    - name: v2
      labels:
        version: v2

---
apiVersion: networking.istio.io/v1alpha3
kind: VirtualService
metadata:

	// by providing weights in LocalityLbEndpoints via load_balancing_weight.
	// By setting weights across different localities, it can allow
	// Envoy to do weighted load balancing across different zones and geographical locations.
	for _, localityWeightSetting := range distribute {
		if localityWeightSetting != nil &&
			util.LocalityMatch(locality, localityWeightSetting.From) {

    **Added** The locality load balancing docs have been re-written into a
    formal traffic management task. The new docs describe in more detail
    how locality load balancing works as well as how to configure both
    failover and weighted distribution. In addition, the new docs are now

  namespace: default
spec:
  gateways:
  - istio-system/gateway-istio-autogenerated-k8s-gateway-default
  hosts:
  - first.domain.example
  http:
  - match:
    - uri:
        prefix: /weighted-100
    name: default.http.1
    route:
    - destination:
        host: foo-svc.default.svc.domain.suffix
        port:
          number: 8000
      headers:
        request:
          add:

											// Create the new test output.
											tm := &testMetrics{
												hasNetworkLatency: networkLatencyCase.enable,
												hasQueueLatency:   enableQueueLatency,
												weighted:          weightCase.enableWeighting,
												algorithm:         algorithmCase.name,
												topology:          topologyCase.name,
											}
											sm = append(sm, tm)

      - name: httpbin-zero
        port: 8080
        weight: 0
  - matches:
    - path:
        type: PathPrefix
        value: /weighted-100
    backendRefs:
    - filters:
      - requestHeaderModifier:
          add:
          - name: foo
            value: bar
        type: RequestHeaderModifier
      port: 8000
      name: foo-svc
      weight: 100
---
apiVersion: gateway.networking.k8s.io/v1alpha2

  }

  public void testEviction_weightedLru() {
    // test weighted lru within a single segment
    IdentityLoader<Integer> loader = identityLoader();
    LoadingCache<Integer, Integer> cache =
        CacheBuilder.newBuilder()
            .concurrencyLevel(1)
            .maximumWeight(45)
            .weigher(intKeyWeigher())
            .build(loader);
    CacheTesting.warmUp(cache, 0, 10);

		if route.Weight > 0 {
			clusterName := istioroute.GetDestinationCluster(route.Destination, service, port.Port)
			clusterSpecifier.WeightedClusters.Clusters = append(clusterSpecifier.WeightedClusters.Clusters, &tcp.TcpProxy_WeightedCluster_ClusterWeight{
				Name:   clusterName,
				Weight: uint32(route.Weight),
			})
		}
	}

	return &execGroup{
		e:   e,
		sem: semaphore.NewWeighted(int64(maxConcurrencyPerForward)),
	}
}

type execGroup struct {
	e   *executor
	g   multierror.Group
	sem *semaphore.Weighted
}

// Go runs the given work function asynchronously.
func (g *execGroup) Go(ctx context.Context, work func() error) {
	g.g.Go(func() error {
		g.e.totalRequests.Inc()
		g.e.activeRequests.Inc()