# DurableJobsOptions.SlowStartInterval

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.durablejobs/orleans.hosting.durablejobsoptions/) | [Properties](/orleans/docs/api/csharp/microsoft.orleans.durablejobs/orleans.hosting.durablejobsoptions/properties/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.DurableJobs/Hosting/DurableJobsOptions.cs)

```csharp
public TimeSpan SlowStartInterval
```

Gets or sets the interval at which concurrency is doubled during slow start ramp-up. Default: 10 seconds.