IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O Began : Tue Nov 12 15:05:41 2019 Command line : /scratch2/leh015/io500-sc19/bin/ior -w -t 2048k -b 860g -F --posix.odirect -i 1 -C -Q 1 -g -G 27 -k -e -o /scratch2/leh015/io500-sc19/datafiles/io500.2019.11.12-15.05.40/ior_easy/ior_file_easy -O stoneWallingStatusFile=/scratch2/leh015/io500-sc19/datafiles/io500.2019.11.12-15.05.40/ior_easy/stonewall -O stoneWallingWearOut=1 -D 300 Machine : Linux b003 TestID : 0 StartTime : Tue Nov 12 15:05:41 2019 Path : /scratch2/leh015/io500-sc19/datafiles/io500.2019.11.12-15.05.40/ior_easy FS : 838.1 TiB Used FS: 0.0% Inodes: 0.0 Mi Used Inodes: -nan% Options: api : POSIX apiVersion : test filename : /scratch2/leh015/io500-sc19/datafiles/io500.2019.11.12-15.05.40/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 tasks : 260 clients per node : 10 repetitions : 1 xfersize : 2 MiB blocksize : 860 GiB aggregate filesize : 218.36 TiB stonewallingTime : 300 stoneWallingWearOut : 1 Results: access bw(MiB/s) block(KiB) xfer(KiB) open(s) wr/rd(s) close(s) total(s) iter ------ --------- ---------- --------- -------- -------- -------- -------- ---- stonewalling pairs accessed min: 127130 max: 180681 -- min data: 248.3 GiB mean data: 275.2 GiB time: 300.0s WARNING: Expected aggregate file size = 240088671846400. WARNING: Stat() of aggregate file size = 98518035333120. WARNING: Using actual aggregate bytes moved = 98518035333120. WARNING: maybe caused by deadlineForStonewalling write 234476 901775360 2048.00 0.010719 400.67 0.015226 400.70 0 Max Write: 234476.49 MiB/sec (245866.42 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 234476.49 234476.49 234476.49 0.00 117238.25 117238.25 117238.25 0.00 400.69740 300.00 244218.77 0 260 10 1 1 1 1 0 0 1 923417968640 2097152 93954120.0 POSIX 0 Finished : Tue Nov 12 15:12:22 2019