IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O Began : Sat Oct 17 20:21:47 2020 Command line : ./ior -C -Q 1 -g -G 27 -k -e -o /var/tmp/gws_quobyte-replicated/r2020/datafiles_all/2020.10.17-19.02.11-app/ior-hard/file -O stoneWallingStatusFile=/var/tmp/gws_quobyte-replicated/r2020/datafiles_all/2020.10.17-19.02.11-app/ior-hard/stonewall -O stoneWallingWearOut=1 -t 47008 -b 47008 -s 10000000 -r -R -a MPIIO Machine : Linux host639.jc.rl.ac.uk TestID : 0 StartTime : Sat Oct 17 20:21:47 2020 Path : /var/tmp/gws_quobyte-replicated/r2020/datafiles_all/2020.10.17-19.02.11-app/ior-hard FS : 931.3 TiB Used FS: 6.0% 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-hard/file access : single-shared-file type : independent segments : 10000000 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 : 47008 bytes blocksize : 47008 bytes aggregate filesize : 102.61 TiB 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: 83634 max: 83634 -- min data: 3.7 GiB mean data: 3.7 GiB time: 372.9s WARNING: Expected aggregate file size = 112819200000000. WARNING: Stat() of aggregate file size = 943552097280. WARNING: Using actual aggregate bytes moved = 943552097280. read 2301.60 53809 373.01 45.91 45.91 17.90 373.02 0.044347 390.96 0 Max Read: 2301.60 MiB/sec (2413.41 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 read 2301.60 2301.60 2301.60 0.00 51340.31 51340.31 51340.31 0.00 390.96294 372.87 2413.26 0 240 24 1 0 1 1 0 0 10000000 47008 47008 899841.4 MPIIO 0 Finished : Sat Oct 17 20:28:18 2020