IOR-3.3alpha1: MPI Coordinated Test of Parallel I/O Began : Wed Jun 5 11:12:20 2019 Command line : /data/home/aaw360/io-500/benchmarks/io-500/io-500-dev/bin/ior -w -s 40000 -i 1 -C -Q 1 -g -G 27 -k -e -t 47008 -b 47008 -o /data/home/aaw360/io-500/benchmarks/io-500/io-500-dev/datafiles.gs7k/io500.2019.06.05-11.00.08/ior_hard/IOR_file -O stoneWallingStatusFile=/data/home/aaw360/io-500/benchmarks/io-500/io-500-dev/datafiles.gs7k/io500.2019.06.05-11.00.08/ior_hard/stonewall -O stoneWallingWearOut=1 -D 300 Machine : Linux sdv31 TestID : 0 StartTime : Wed Jun 5 11:12:20 2019 Path : /data/ITSR-Testing/io-500/io500.2019.06.05-11.00.08/ior_hard FS : 11.0 TiB Used FS: 15.3% Inodes: 104.9 Mi Used Inodes: 5.7% Options: api : POSIX apiVersion : test filename : /data/home/aaw360/io-500/benchmarks/io-500/io-500-dev/datafiles.gs7k/io500.2019.06.05-11.00.08/ior_hard/IOR_file access : single-shared-file type : independent segments : 40000 ordering in a file : sequential ordering inter file : constant task offset task offset : 1 tasks : 240 clients per node : 24 repetitions : 1 xfersize : 47008 bytes blocksize : 47008 bytes aggregate filesize : 420.28 GiB stonewallingTime : 300 stoneWallingWearOut : 1 Results: access bw(MiB/s) block(KiB) xfer(KiB) open(s) wr/rd(s) close(s) total(s) iter ------ --------- ---------- --------- -------- -------- -------- -------- ---- stonewalling pairs accessed min: 5216 max: 26598 -- min data: 0.2 GiB mean data: 0.4 GiB time: 300.6s WARNING: Expected aggregate file size = 451276800000. WARNING: Stat() of aggregate file size = 300076508160. WARNING: Using actual aggregate bytes moved = 300076508160. WARNING: maybe caused by deadlineForStonewalling write 279.40 45.91 45.91 0.010478 1024.24 0.004773 1024.25 0 Max Write: 279.40 MiB/sec (292.97 MB/sec) Summary of all tests: Operation Max(MiB) Min(MiB) Mean(MiB) StdDev Max(OPs) Min(OPs) Mean(OPs) StdDev Mean(s) Test# #Tasks tPN reps fPP reord reordoff reordrand seed segcnt blksiz xsize aggs(MiB) API RefNum write 279.40 279.40 279.40 0.00 6232.37 6232.37 6232.37 0.00 1024.25260 0 240 24 1 0 1 1 0 0 40000 47008 47008 286175.2 POSIX 0 Finished : Wed Jun 5 11:29:24 2019