have to keep Host and Job classes backwards compatible with old pickle files
have to keep Host and Job classes backwards compatible with old pickle files

dimm0/tacc_stats,dimm0/tacc_stats,dimm0/tacc_stats,dimm0/tacc_stats,TACC/tacc_stats,TACC/tacc_stats,TACC/tacc_stats,dimm0/tacc_stats,TACC/tacc_stats,TACC/tacc_stats