IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O
Began               : Thu Nov  7 09:59:09 2019
Command line        : /mnt/cephfs/io500-sc19/bin/ior -r -R -s 1900000 -a POSIX -i 1 -C -Q 1 -g -G 27 -k -e -t 47008 -b 47008 -o /mnt/cephfs/io500-sc19/datafiles/io500.2019.11.07-09.22.58/ior_hard/IOR_file -O stoneWallingStatusFile=/mnt/cephfs/io500-sc19/datafiles/io500.2019.11.07-09.22.58/ior_hard/stonewall
Machine             : Linux loadgen1
TestID              : 0
StartTime           : Thu Nov  7 09:59:09 2019
Path                : /mnt/cephfs/io500-sc19/datafiles/io500.2019.11.07-09.22.58/ior_hard
FS                  : 48.2 TiB   Used FS: 12.5%   Inodes: 16.9 Mi   Used Inodes: 100.0%

Options: 
api                 : POSIX
apiVersion          : 
test filename       : /mnt/cephfs/io500-sc19/datafiles/io500.2019.11.07-09.22.58/ior_hard/IOR_file
access              : single-shared-file
type                : independent
segments            : 1900000
ordering in a file  : sequential
ordering inter file : constant task offset
task offset         : 1
nodes               : 15
tasks               : 120
clients per node    : 8
repetitions         : 1
xfersize            : 47008 bytes
blocksize           : 47008 bytes
aggregate filesize  : 9.75 TiB

Results: 

access    bw(MiB/s)  IOPS       Latency(s)  block(KiB) xfer(KiB)  open(s)    wr/rd(s)   close(s)   total(s)   iter
------    ---------  ----       ----------  ---------- ---------  --------   --------   --------   --------   ----
WARNING: Expected aggregate file size       = 10717824000000.
WARNING: Stat() of aggregate file size      = 606617556480.
WARNING: Using actual aggregate bytes moved = 606617556480.
read      4811       107382     120.17      45.91      45.91      0.072940   120.17     0.007870   120.25     0   
Max Read:  4811.02 MiB/sec (5044.72 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         4811.02    4811.02    4811.02       0.00  107316.17  107316.17  107316.17       0.00  120.24805         NA            NA     0    120   8    1   0     1        1         0    0 1900000    47008    47008  578515.6 POSIX      0
Finished            : Thu Nov  7 10:01:09 2019