IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O Began : Fri Jul 10 11:36:50 2020 Command line : ./ior -C -Q 1 -g -G 271 -k -e -o /tmp/dfuse/datafiles/2020.07.10-10.28.13-app/ior-easy/ior_file_easy -O stoneWallingStatusFile=/tmp/dfuse/datafiles/2020.07.10-10.28.13-app/ior-easy/stonewall -t 256k -b 256g -w -D 300 -O stoneWallingWearOut=1 -a DFS --dfs.pool=a04776a5-bd54-4bf9-ae46-c989b9407c8d --dfs.cont=b0599c58-2822-45b2-9e09-23a335940082 --dfs.svcl=1 --dfs.prefix=/tmp/dfuse/ Machine : Linux daos08.ftm.alcf.anl.gov TestID : 0 StartTime : Fri Jul 10 11:36:53 2020 Options: api : DFS apiVersion : DAOS test filename : /tmp/dfuse/datafiles/2020.07.10-10.28.13-app/ior-easy/ior_file_easy access : single-shared-file type : independent segments : 1 ordering in a file : sequential ordering inter file : constant task offset task offset : 1 nodes : 10 tasks : 380 clients per node : 38 repetitions : 1 xfersize : 262144 bytes blocksize : 256 GiB aggregate filesize : 95 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: 437765 max: 444944 -- min data: 106.9 GiB mean data: 107.8 GiB time: 300.0s WARNING: Expected aggregate file size = 104453604638720. WARNING: Stat() of aggregate file size = 104295366131712. WARNING: Using actual aggregate bytes moved = 44322971975680. WARNING: maybe caused by deadlineForStonewalling write 137268 557918 0.000287 268435456 256.00 4.88 303.05 0.000613 307.93 0 Max Write: 137268.27 MiB/sec (143936.21 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 137268.27 137268.27 137268.27 0.00 549073.07 549073.07 549073.07 0.00 307.93482 300.00 139802.97 0 380 38 1 0 1 1 0 0 1 274877906944 262144 42269680.0 DFS 0 Finished : Fri Jul 10 11:42:02 2020