IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O Began : Mon Nov 11 04:23:34 2019 Command line : /mnt/weka/io-500-dev/bin/ior -w --posix.odirect -u -t 2048k -b 9920000m -F -i 1 -C -Q 1 -g -G 27 -k -e -o /mnt/weka/io-500-dev/datafiles/io500.2019.11.11-04.23.30/ior_easy/ior_file_easy -O stoneWallingStatusFile=/mnt/weka/io-500-dev/datafiles/io500.2019.11.11-04.23.30/ior_easy/stonewall -O stoneWallingWearOut=1 -D 300 Machine : Linux ip-172-31-56-151 TestID : 0 StartTime : Mon Nov 11 04:23:34 2019 Path : /mnt/weka/io-500-dev/datafiles/io500.2019.11.11-04.23.30/ior_easy/0 FS : 4096.0 TiB Used FS: 32.4% Inodes: 262143.5 Mi Used Inodes: 0.5% Options: api : POSIX apiVersion : test filename : /mnt/weka/io-500-dev/datafiles/io500.2019.11.11-04.23.30/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 : 345 tasks : 8625 clients per node : 25 repetitions : 1 xfersize : 2 MiB blocksize : 9.46 TiB aggregate filesize : 81596.37 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: 495 max: 14527 -- min data: 1.0 GiB mean data: 12.2 GiB time: 305.6s WARNING: Expected aggregate file size = 89716162560000000. WARNING: Stat() of aggregate file size = 262763446272000. WARNING: Using actual aggregate bytes moved = 262763446272000. WARNING: maybe caused by deadlineForStonewalling write 305289 152684 0.000118 10158080000 2048.00 0.211793 820.62 0.005743 820.83 0 Max Write: 305289.35 MiB/sec (320119.09 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 305289.35 305289.35 305289.35 0.00 152644.68 152644.68 152644.68 0.00 820.83030 305.64 352029.39 0 8625 25 1 1 1 1 0 0 1 10401873920000 2097152 250590752.0 POSIX 0 Finished : Mon Nov 11 04:37:15 2019