Usage: python fetch_data.py <tar file in S3> python fetch_data.py bunny.tar.gz ./distribute_data.sh <tar file> <data parent directory> <#slave nodes> ./distribute_data.sh bunny.tar.gz /mnt/ 9 ./run_mtssrv.sh <data directory> <#slave nodes> ./run_mtssrv.sh /mnt/bunny 9 ./init.sh <data tar file> <data parent directory> <data directory> <#slave nodes> ./init.sh bunny.tar.gz /mnt/ /mnt/bunny 9 python upload_data.py <tar file> <result directory> python upload_data.py results.tar.gz /mnt/bunny/results ./shutdown.sh <tar file> <result directory> <#slave nodes> ./shutdown.sh results.tar.gz /mnt/bunny/results 9