IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O Began : Mon Jul 13 08:17:16 2020 Command line : /work/BMLab/Lustre/io500_isc20/io500-app/bin/ior -r -R -s 150000 -a POSIX -i 1 -C -Q 1 -g -G 27 -k -e -t 47008 -b 47008 -o /ai400/datafiles/2020.07.13-07.46.20-scr/ior_hard/IOR_file -O stoneWallingStatusFile=/ai400/datafiles/2020.07.13-07.46.20-scr/ior_hard/stonewall Machine : Linux ec01 TestID : 0 StartTime : Mon Jul 13 08:17:16 2020 Path : /ai400/datafiles/2020.07.13-07.46.20-scr/ior_hard FS : 47.4 TiB Used FS: 27.3% Inodes: 466.4 Mi Used Inodes: 17.7% Options: api : POSIX apiVersion : test filename : /ai400/datafiles/2020.07.13-07.46.20-scr/ior_hard/IOR_file access : single-shared-file type : independent segments : 150000 ordering in a file : sequential ordering inter file : constant task offset task offset : 1 nodes : 10 tasks : 160 clients per node : 16 repetitions : 1 xfersize : 47008 bytes blocksize : 47008 bytes aggregate filesize : 1.03 TiB Results: access bw(MiB/s) IOPS Latency(s) block(KiB) xfer(KiB) open(s) wr/rd(s) close(s) total(s) iter ------ --------- ---- ---------- ---------- --------- -------- -------- -------- -------- ---- read 41791 933208 25.72 45.91 45.91 0.026841 25.72 0.001419 25.75 0 Max Read: 41790.69 MiB/sec (43820.71 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 41790.69 41790.69 41790.69 0.00 932196.89 932196.89 932196.89 0.00 25.74563 NA NA 0 160 16 1 0 1 1 0 0 150000 47008 47008 1075927.8 POSIX 0 Finished : Mon Jul 13 08:17:41 2020