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Merged
MihaZupan merged 1 commit into from
Oct 30, 2021
Merged

Update load-balancing article #1338

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13 changes: 1 addition & 12 deletions docs/docfx/articles/load-balancing.md
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Original file line number Diff line number Diff line change
Expand Up @@ -91,7 +91,7 @@ public sealed class LastLoadBalancingPolicy : ILoadBalancingPolicy
{
public string Name => "Last";

public DestinationState PickDestination(HttpContext context, IReadOnlyList<DestinationState> availableDestinations)
public DestinationState? PickDestination(HttpContext context, ClusterState cluster, IReadOnlyList<DestinationState> availableDestinations)
{
return availableDestinations[^1];
}
Expand All @@ -103,14 +103,3 @@ services.AddSingleton<ILoadBalancingPolicy, LastLoadBalancingPolicy>();
// Set the LoadBalancingPolicy on the cluster
cluster.LoadBalancingPolicy = "Last";
```

Other information that may be necessary to decide on a destination, such as cluster configuration, can be accessed from the `HttpContext`:

```c#
public DestinationState PickDestination(HttpContext context, IReadOnlyList<DestinationState> availableDestinations)
{
var proxyFeature = context.GetReverseProxyFeature();
var cluster = proxyFeature.Cluster;
// ...
}
```