AWS SDK Version 2 for .NET
API Reference

AWS services or capabilities described in AWS Documentation may vary by region/location. Click Getting Started with Amazon AWS to see specific differences applicable to the China (Beijing) Region.

.NET Framework 3.5
Provides information about the cluster instances that Amazon EMR provisions on behalf of a user when it creates the cluster. For example, this operation indicates when the EC2 instances reach the Ready state, when instances become available to Amazon EMR to use for jobs, and the IP addresses for cluster instances, etc.

Namespace: Amazon.ElasticMapReduce
Assembly: AWSSDK.dll
Version: (assembly version)


public virtual ListInstancesResponse ListInstances(
         ListInstancesRequest request


Type: Amazon.ElasticMapReduce.Model.ListInstancesRequest

Container for the necessary parameters to execute the ListInstances service method.

Return Value
Type: Amazon.ElasticMapReduce.Model.ListInstancesResponse
The response from the ListInstances service method, as returned by ElasticMapReduce.


InternalServerException This exception occurs when there is an internal failure in the EMR service.
InvalidRequestException This exception occurs when there is something wrong with user input.

Version Information

.NET Framework:
Supported in: 4.5, 4.0, 3.5