IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O Began : Thu Nov 7 12:51:23 2019 Command line : /mnt/cephfs/io500-sc19/bin/ior -w -t 2m -b 68000m -F -i 1 -C -Q 1 -g -G 27 -k -e -o /mnt/cephfs/io500-sc19/datafiles/io500.2019.11.07-12.51.22/ior_easy/ior_file_easy -O stoneWallingStatusFile=/mnt/cephfs/io500-sc19/datafiles/io500.2019.11.07-12.51.22/ior_easy/stonewall -O stoneWallingWearOut=1 -D 300 Machine : Linux loadgen1 TestID : 0 StartTime : Thu Nov 7 12:51:23 2019 Path : /mnt/cephfs/io500-sc19/datafiles/io500.2019.11.07-12.51.22/ior_easy FS : 49.3 TiB Used FS: 0.0% Inodes: 0.0 Mi Used Inodes: 100.0% Options: api : POSIX apiVersion : test filename : /mnt/cephfs/io500-sc19/datafiles/io500.2019.11.07-12.51.22/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 nodes : 10 tasks : 80 clients per node : 8 repetitions : 1 xfersize : 2 MiB blocksize : 66.41 GiB aggregate filesize : 5.19 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: 28526 max: 29277 -- min data: 55.7 GiB mean data: 56.4 GiB time: 300.1s WARNING: Expected aggregate file size = 5704253440000. WARNING: Stat() of aggregate file size = 4911865528320. WARNING: Using actual aggregate bytes moved = 4911865528320. WARNING: maybe caused by deadlineForStonewalling write 14975 7488 0.009031 69632000 2048.00 0.010596 312.81 0.016735 312.82 0 Max Write: 14974.57 MiB/sec (15701.98 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 14974.57 14974.57 14974.57 0.00 7487.29 7487.29 7487.29 0.00 312.81829 300.07 15401.03 0 80 8 1 1 1 1 0 0 1 71303168000 2097152 4684320.0 POSIX 0 Finished : Thu Nov 7 12:56:36 2019