# HashRingStreamQueueMapperOptions.DEFAULT_NUM_QUEUES

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.configuration.hashringstreamqueuemapperoptions/) | [Fields](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.configuration.hashringstreamqueuemapperoptions/fields/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Streaming/QueueAdapters/HashRingStreamQueueMapperOptions.cs)

```csharp
public const int DEFAULT_NUM_QUEUES
```

The default number queues, which should be a power of two.