IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O
Began               : Mon Nov 11 05:20:25 2019
Command line        : /mnt/weka/io-500-dev/bin/ior -r -R -s 1900000 -a POSIX --posix.odirect -i 1 -C -Q 1 -g -G 27 -k -e -t 47008 -b 47008 -o /mnt/weka/io-500-dev/datafiles/io500.2019.11.11-04.23.30/ior_hard/IOR_file -O stoneWallingStatusFile=/mnt/weka/io-500-dev/datafiles/io500.2019.11.11-04.23.30/ior_hard/stonewall
Machine             : Linux ip-172-31-56-151
TestID              : 0
StartTime           : Mon Nov 11 05:20:25 2019
Path                : /mnt/weka/io-500-dev/datafiles/io500.2019.11.11-04.23.30/ior_hard
FS                  : 4096.0 TiB   Used FS: 40.0%   Inodes: 262143.5 Mi   Used Inodes: 1.1%

Options: 
api                 : POSIX
apiVersion          : 
test filename       : /mnt/weka/io-500-dev/datafiles/io500.2019.11.11-04.23.30/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               : 345
tasks               : 8625
clients per node    : 25
repetitions         : 1
xfersize            : 47008 bytes
blocksize           : 47008 bytes
aggregate filesize  : 700.62 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       = 770343600000000.
WARNING: Stat() of aggregate file size      = 69536484108000.
WARNING: Using actual aggregate bytes moved = 69536484108000.
read      137417     3070884    481.69      45.91      45.91      0.855184   481.70     0.029744   482.58     0   
Max Read:  137417.25 MiB/sec (144092.43 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       137417.25  137417.25  137417.25       0.00 3065274.69 3065274.69 3065274.69       0.00  482.58248         NA            NA     0   8625  25    1   0     1        1         0    0 1900000    47008    47008 66315160.0 POSIX      0
Finished            : Mon Nov 11 05:28:28 2019