[0] Pool uuid = a04776a5-bd54-4bf9-ae46-c989b9407c8d, SVCL = 1 [0] DFS Container namespace uuid = b0599c58-2822-45b2-9e09-23a335940082 IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O Began : Fri Jul 10 11:05:04 2020 Command line : /home/kalfizah/io500-new/bin/ior -r -R -s 1600000 -a DFS --dfs.pool=a04776a5-bd54-4bf9-ae46-c989b9407c8d --dfs.cont=b0599c58-2822-45b2-9e09-23a335940082 --dfs.svcl=1 --dfs.chunk_size=470080 --dfs.prefix=/tmp/dfuse/ -v -i 1 -C -Q 1 -g -G 27 -k -e -t 47008 -b 47008 -o /tmp/dfuse/datafiles/2020.07.10-10.28.13-scr/ior_hard/IOR_file -O stoneWallingStatusFile=/tmp/dfuse/datafiles/2020.07.10-10.28.13-scr/ior_hard/stonewall Machine : Linux daos08.ftm.alcf.anl.gov Start time skew across all tasks: 0.00 sec TestID : 0 StartTime : Fri Jul 10 11:05:04 2020 Participating tasks: 380 Using reorderTasks '-C' (useful to avoid read cache in client) Options: api : DFS apiVersion : DAOS test filename : /tmp/dfuse/datafiles/2020.07.10-10.28.13-scr/ior_hard/IOR_file access : single-shared-file type : independent segments : 1600000 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 : 47008 bytes blocksize : 47008 bytes aggregate filesize : 25.99 TiB Results: access bw(MiB/s) IOPS Latency(s) block(KiB) xfer(KiB) open(s) wr/rd(s) close(s) total(s) iter ------ --------- ---- ---------- ---------- --------- -------- -------- -------- -------- ---- Commencing read performance test: Fri Jul 10 11:05:06 2020 WARNING: Expected aggregate file size = 28580864000000. WARNING: Stat() of aggregate file size = 26758101535360. WARNING: Using actual aggregate bytes moved = 26758101535360. read 60607 1360356 418.44 45.91 45.91 2.61 418.44 0.001476 421.05 0 Max Read: 60606.54 MiB/sec (63550.57 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 60606.54 60606.54 60606.54 0.00 1351909.61 1351909.61 1351909.61 0.00 421.05213 NA NA 0 380 38 1 0 1 1 0 0 1600000 47008 47008 25518514.0 DFS 0 Finished : Fri Jul 10 11:12:05 2020 [0] Disconnecting from DAOS POOL [0] Finalizing DAOS..