IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O
Began               : Tue Jul  7 21:01:02 2020
Command line        : ./ior -C -Q 1 -g -G 27 -k -e -o /tmp/cbt/mnt/cbt-cephfs-kernel/0/io500/io500-app/datafiles/2020.07.07-20.27.19-app/ior-hard/file -O stoneWallingStatusFile=/tmp/cbt/mnt/cbt-cephfs-kernel/0/io500/io500-app/datafiles/2020.07.07-20.27.19-app/ior-hard/stonewall -O stoneWallingWearOut=1 -t 47008 -b 47008 -s 1000000 -r -R -a CEPHFS --cephfs.user=admin --cephfs.conf=/etc/ceph/ceph.conf --cephfs.prefix=/tmp/cbt/mnt/cbt-cephfs-kernel/0
Machine             : Linux io500-c1
TestID              : 0
StartTime           : Tue Jul  7 21:01:02 2020
Path                : /tmp/cbt/mnt/cbt-cephfs-kernel/0/io500/io500-app/datafiles/2020.07.07-20.27.19-app/ior-hard
FS                  : 49.3 TiB   Used FS: 35.0%   Inodes: 93.1 Mi   Used Inodes: 100.0%

Options: 
api                 : CEPHFS
apiVersion          : 
test filename       : /tmp/cbt/mnt/cbt-cephfs-kernel/0/io500/io500-app/datafiles/2020.07.07-20.27.19-app/ior-hard/file
access              : single-shared-file
type                : independent
segments            : 1000000
ordering in a file  : sequential
ordering inter file : constant task offset
task offset         : 1
nodes               : 10
tasks               : 360
clients per node    : 36
repetitions         : 1
xfersize            : 47008 bytes
blocksize           : 47008 bytes
aggregate filesize  : 15.39 TiB

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: 277842 max: 277842 -- min data: 12.2 GiB mean data: 12.2 GiB time: 203.2s
WARNING: Expected aggregate file size       = 16922880000000.
WARNING: Stat() of aggregate file size      = 4701886824960.
WARNING: Using actual aggregate bytes moved = 4701886824960.
read      22065      492288     203.18      45.91      45.91      0.037140   203.18     0.001905   203.22     0   
Max Read:  22065.32 MiB/sec (23137.17 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        22065.32   22065.32   22065.32       0.00  492196.37  492196.37  492196.37       0.00  203.21791     203.17      22070.59     0    360  36    1   0     1        1         0    0 1000000    47008    47008 4484068.5 CEPHFS      0
Finished            : Tue Jul  7 21:04:25 2020