IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O Began : Sat Oct 17 19:47:41 2020 Command line : ./ior -C -Q 1 -g -G 271 -k -e -o /var/tmp/gws_quobyte-replicated/r2020/datafiles_all/2020.10.17-19.02.11-app/ior-easy/ior_file_easy -O stoneWallingStatusFile=/var/tmp/gws_quobyte-replicated/r2020/datafiles_all/2020.10.17-19.02.11-app/ior-easy/stonewall -t 8m -b 299968m -F -w -D 300 -O stoneWallingWearOut=1 -a MPIIO Machine : Linux host639.jc.rl.ac.uk TestID : 0 StartTime : Sat Oct 17 19:47:41 2020 Path : /var/tmp/gws_quobyte-replicated/r2020/datafiles_all/2020.10.17-19.02.11-app/ior-easy FS : 931.3 TiB Used FS: 3.0% Inodes: 8796093022208.0 Mi Used Inodes: 0.0% Options: api : MPIIO apiVersion : (3.1) test filename : /var/tmp/gws_quobyte-replicated/r2020/datafiles_all/2020.10.17-19.02.11-app/ior-easy/ior_file_easy access : file-per-process type : independent segments : 1 ordering in a file : sequential ordering inter file : constant task offset task offset : 1 nodes : 10 tasks : 240 clients per node : 24 repetitions : 1 xfersize : 8 MiB blocksize : 292.94 GiB aggregate filesize : 68.66 TiB stonewallingTime : 300 stoneWallingWearOut : 1 Results: access bw(MiB/s) IOPS Latency(s) block(KiB) xfer(KiB) open(s) wr/rd(s) close(s) total(s) iter ------ --------- ---- ---------- ---------- --------- -------- -------- -------- -------- ---- stonewalling pairs accessed min: 11521 max: 14321 -- min data: 90.0 GiB mean data: 102.4 GiB time: 300.5s WARNING: Expected aggregate file size = 75489418936320. WARNING: Stat() of aggregate file size = 28831981240320. WARNING: Using actual aggregate bytes moved = 28831981240320. WARNING: maybe caused by deadlineForStonewalling write 79798 9992 0.008518 307167232 8192 0.587833 343.98 0.007568 344.57 0 Max Write: 79797.78 MiB/sec (83674.04 MB/sec) Summary of all tests: Operation Max(MiB) Min(MiB) Mean(MiB) StdDev Max(OPs) Min(OPs) Mean(OPs) StdDev Mean(s) Stonewall(s) Stonewall(MiB) Test# #Tasks tPN reps fPP reord reordoff reordrand seed segcnt blksiz xsize aggs(MiB) API RefNum write 79797.78 79797.78 79797.78 0.00 9974.72 9974.72 9974.72 0.00 344.57499 300.48 83778.74 0 240 24 1 1 1 1 0 0 1 314539245568 8388608 27496320.0 MPIIO 0 Finished : Sat Oct 17 19:53:27 2020