# HashBasedPlacement

Package: [Microsoft.Orleans.Core.Abstractions](/orleans/docs/api/csharp/microsoft.orleans.core.abstractions/) 10.0.0

[NuGet package](https://www.nuget.org/packages/Microsoft.Orleans.Core.Abstractions) | [Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Core.Abstractions/Placement/HashBasedPlacement.cs#L9)

```csharp
[Orleans.GenerateSerializer]
[Orleans.Immutable]
[Orleans.SuppressReferenceTracking]
public sealed class HashBasedPlacement : PlacementStrategy
```

Places activations on compatible silos by hashing the grain identifier using a stable hash and selecting a silo from a sorted set using a modulo operation.

## Constructors

- [HashBasedPlacement](/orleans/docs/api/csharp/microsoft.orleans.core.abstractions/orleans.runtime.hashbasedplacement/constructors/constructor-642fc249/)