IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O Began : Sat Jul 11 11:01:26 2020 Command line : /IO500/bin/ior -w -a POSIX -t 2m -v -b 9920000m -F -i 1 -C -Q 1 -g -G 27 -k -e -o /mnt/cephfs/datafiles/2020.07.11-10.09.37-scr/ior_easy/ior_file_easy -O stoneWallingStatusFile=/mnt/cephfs/datafiles/2020.07.11-10.09.37-scr/ior_easy/stonewall -O stoneWallingWearOut=1 -D 300 Machine : Linux sr650-1 Start time skew across all tasks: 321.10 sec TestID : 0 StartTime : Sat Jul 11 11:01:26 2020 Path : /mnt/cephfs/datafiles/2020.07.11-10.09.37-scr/ior_easy FS : 62.8 TiB Used FS: 19.4% Inodes: 11.4 Mi Used Inodes: 100.0% Participating tasks: 220 Using reorderTasks '-C' (useful to avoid read cache in client) Options: api : POSIX apiVersion : test filename : /mnt/cephfs/datafiles/2020.07.11-10.09.37-scr/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 : 220 clients per node : 22 repetitions : 1 xfersize : 2 MiB blocksize : 9.46 TiB aggregate filesize : 2081.30 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 ------ --------- ---- ---------- ---------- --------- -------- -------- -------- -------- ---- Commencing write performance test: Sat Jul 11 11:01:26 2020 182: stonewalling pairs accessed: 15410 152: stonewalling pairs accessed: 15323 177: stonewalling pairs accessed: 9583 26: stonewalling pairs accessed: 8363 141: stonewalling pairs accessed: 10012 79: stonewalling pairs accessed: 8864 194: stonewalling pairs accessed: 8640 137: stonewalling pairs accessed: 9746 30: stonewalling pairs accessed: 14190 27: stonewalling pairs accessed: 9628 47: stonewalling pairs accessed: 9637 175: stonewalling pairs accessed: 8873 60: stonewalling pairs accessed: 14031 105: stonewalling pairs accessed: 8834 70: stonewalling pairs accessed: 14284 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7413 max: 15534 -- min data: 14.5 GiB mean data: 19.7 GiB time: 300.1s WARNING: Expected aggregate file size = 2288412262400000. WARNING: Stat() of aggregate file size = 7166975016960. WARNING: Using actual aggregate bytes moved = 7166975016960. WARNING: maybe caused by deadlineForStonewalling write 13190 6596 0.000091 10158080000 2048.00 0.043101 518.13 0.001541 518.17 0 Max Write: 13190.49 MiB/sec (13831.23 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 13190.49 13190.49 13190.49 0.00 6595.24 6595.24 6595.24 0.00 518.17349 300.06 14795.60 0 220 22 1 1 1 1 0 0 1 10401873920000 2097152 6834960.0 POSIX 0 Finished : Sat Jul 11 11:10:04 2020