[0] Pool uuid = 372e1597-1708-4f1e-aa78-1cceb4c7c6ec, SVCL = 1 [0] DFS Container namespace uuid = af091f54-7e7d-4c6b-bc70-a5d7d16e4955 IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O Began : Sat Jul 11 15:23:28 2020 Command line : /home1/06758/mschaara/io-500/install/ior/bin/ior -r -R -s 10000000 -a DFS --dfs.pool=372e1597-1708-4f1e-aa78-1cceb4c7c6ec --dfs.cont=af091f54-7e7d-4c6b-bc70-a5d7d16e4955 --dfs.svcl=1 --dfs.chunk_size=1880320 --dfs.prefix=/tmp/dfuse -v -i 1 -C -Q 1 -g -G 27 -k -e -t 47008 -b 47008 -o /tmp/dfuse/datafiles/2020.07.11-14.40.08-scr/ior_hard/IOR_file -O stoneWallingStatusFile=/tmp/dfuse/datafiles/2020.07.11-14.40.08-scr/ior_hard/stonewall Machine : Linux c110-001.frontera.tacc.utexas.edu Start time skew across all tasks: 0.00 sec TestID : 0 StartTime : Sat Jul 11 15:23:28 2020 Participating tasks: 420 Using reorderTasks '-C' (useful to avoid read cache in client) Options: api : DFS apiVersion : DAOS test filename : /tmp/dfuse/datafiles/2020.07.11-14.40.08-scr/ior_hard/IOR_file access : single-shared-file type : independent segments : 10000000 ordering in a file : sequential ordering inter file : constant task offset task offset : 1 nodes : 420 tasks : 420 clients per node : 1 repetitions : 1 xfersize : 47008 bytes blocksize : 47008 bytes aggregate filesize : 179.56 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: Sat Jul 11 15:23:32 2020 WARNING: Expected aggregate file size = 197433600000000. WARNING: Stat() of aggregate file size = 34698481359360. WARNING: Using actual aggregate bytes moved = 34698481359360. read 68102 1528316 482.97 45.91 45.91 2.91 482.98 0.013107 485.90 0 Max Read: 68102.21 MiB/sec (71410.34 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 68102.21 68102.21 68102.21 0.00 1519110.46 1519110.46 1519110.46 0.00 485.90273 NA NA 0 420 1 1 0 1 1 0 0 10000000 47008 47008 33091050.0 DFS 0 Finished : Sat Jul 11 15:31:35 2020 [0] Disconnecting from DAOS POOL [0] Finalizing DAOS..