IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O Began : Wed Nov 6 10:54:06 2019 Command line : /nfs/scistore12/itgrp/jkiss/io500_NewestCode/io-500-dev/bin/ior -w -s 20000 -a POSIX -i 1 -C -Q 1 -g -G 27 -k -e -t 47008 -b 47008 -o /mnt/beegfs/jkiss_BeeGFS/datafiles/io500.2019.11.06-10.41.25/ior_hard/IOR_file -O stoneWallingStatusFile=/mnt/beegfs/jkiss_BeeGFS/datafiles/io500.2019.11.06-10.41.25/ior_hard/stonewall -O stoneWallingWearOut=1 -D 300 Machine : Linux serbyn128 TestID : 0 StartTime : Wed Nov 6 10:54:06 2019 Path : /mnt/beegfs/jkiss_BeeGFS/datafiles/io500.2019.11.06-10.41.25/ior_hard FS : 885.9 TiB Used FS: 0.2% Inodes: 0.0 Mi Used Inodes: -nan% Options: api : POSIX apiVersion : test filename : /mnt/beegfs/jkiss_BeeGFS/datafiles/io500.2019.11.06-10.41.25/ior_hard/IOR_file access : single-shared-file type : independent segments : 20000 ordering in a file : sequential ordering inter file : constant task offset task offset : 1 nodes : 4 tasks : 80 clients per node : 20 repetitions : 1 xfersize : 47008 bytes blocksize : 47008 bytes aggregate filesize : 70.05 GiB 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: 3777 max: 20000 -- min data: 0.2 GiB mean data: 0.6 GiB time: 300.0s write 143.38 3198.54 383.13 45.91 45.91 0.046439 500.23 0.032270 500.26 0 Max Write: 143.38 MiB/sec (150.35 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 143.38 143.38 143.38 0.00 3198.32 3198.32 3198.32 0.00 500.26311 300.01 161.13 0 80 20 1 0 1 1 0 0 20000 47008 47008 71728.5 POSIX 0 Finished : Wed Nov 6 11:02:26 2019