Using the AWS SDK for .Net to Create an Amazon EMR Cluster

The following example illustrates how the SDKs can simplify programming with Amazon EMR The code sample below uses the StepFactory object, a helper class for creating common Amazon EMR step types, to create an interactive Hive cluster with debugging enabled.

            var emrClient =AWSClientFactory.CreateAmazonElasticMapReduceClient(RegionEndpoint.USWest2);
            var stepFactory = new StepFactory();
           
            var enabledebugging = new StepConfig{
                Name = "Enable debugging",
                ActionOnFailure = "TERMINATE_JOB_FLOW",
                HadoopJarStep = stepFactory.NewEnabledebuggingStep()
            };
 
            var installHive = new StepConfig{
                Name = "Install Hive",
                ActionOnFailure = "TERMINATE_JOB_FLOW",
                HadoopJarStep = stepFactory.NewInstallHiveStep()
            };
 
            var instanceConfig = new JobFlowInstancesConfig{
                Ec2KeyName = "keypair",
                HadoopVersion = "0.20",
                InstanceCount = 5,
                KeepJobFlowAliveWhenNoSteps = true,
                MasterInstanceType = "m1.small",
                SlaveInstanceType = "m1.small"
            };
 
            var request = new RunJobFlowRequest{
                Name = "Hive Interactive",
                Steps = {enabledebugging, installHive},
                LogUri = "s3://myawsbucket",
                Instances = instanceConfig
            };
 
            var result = emrClient.RunJobFlow(request);