AWS Data Pipeline
Developer Guide (API Version 2012-10-29)

Launch an Amazon EMR cluster with hadoopVersion

The following example launches an Amazon EMR cluster using AMI version 1.0 and Hadoop 0.20.

{ "id" : "MyEmrCluster", "type" : "EmrCluster", "hadoopVersion" : "0.20", "keyPair" : "my-key-pair", "masterInstanceType" : "m3.xlarge", "coreInstanceType" : "m3.xlarge", "coreInstanceCount" : "10", "taskInstanceType" : "m3.xlarge", "taskInstanceCount": "10", "bootstrapAction" : ["s3://Region.elasticmapreduce/bootstrap-actions/configure-hadoop,arg1,arg2,arg3","s3://Region.elasticmapreduce/bootstrap-actions/configure-hadoop/configure-other-stuff,arg1,arg2"] }