PartitionReceiverOptions.PrefetchCount Property

Definition

Namespace:

Azure.Messaging.EventHubs.Primitives

Assembly:

Azure.Messaging.EventHubs.dll

Package:

Azure.Messaging.EventHubs v5.11.3

Source:

PartitionReceiverOptions.cs

The number of events that will be eagerly requested from the Event Hubs service and queued locally without regard to whether a read operation is currently active, intended to help maximize throughput by allowing events to be read from from a local cache rather than waiting on a service request.

public int PrefetchCount { get; set; }

member this.PrefetchCount : int with get, set

Public Property PrefetchCount As Integer

Property Value

Int32

The PrefetchCount is a control that developers can use to help tune performance for the specific needs of an application, given its expected size of events, throughput needs, and expected scenarios for using Event Hubs.

The default prefetch count is 300.

Exceptions

ArgumentOutOfRangeException

Occurs when the requested count is negative.