The following environment variables are required: HADOOP_HOME, PIGDIR, PP_TESTS_DIR. Eg: export HADOOP_HOME=/usr/hadoop-0.20.1 export PIGDIR=/home/cristina/pig export PP_TESTS_DIR=/home/cristina/PPproj/repo/tests Running tests supposes the following data sets from INRIA Failure Trace Archive are already coppied on HDFS: LANL, Grid'5000, Microsoft, SETI@home. The script copy.sh can be used to do this operation, provided that it has the datasets in PP_TESTS_DIR. To run MapReduce tests: ./jar_cristina.sh ./run_all.sh To run Pig tests: ./jar_pig_cristina.sh ./run_pig_all.sh To run MPI: - cd failureCause/mpi - follow readme instructions