This sample is used in the IEP Clustering How-To. Before deploying and testing on a cluster change the location of the output file 
from
<file:address fileDirectory="${ojc-root}/driver-tests/iepse/ClusterSample/TupleBasedAvgCalculatorApp/test/TupleBasedAvgCalculator"/>
to
<file:address fileDirectory="TupleBasedAvgCalculatorProcess_iep"/>

For other details see the clustering how-to
