IOR-3.3.0+dev: MPI Coordinated Test of Parallel I/O
Began               : Wed Jul  8 17:48:16 2020
Command line        : ./ior -C -Q 1 -g -G 271 -k -e -o /tmp/cbt/mnt/cbt-cephfs-kernel/0/io500/io500-app/datafiles/2020.07.08-16.53.40-app/ior-easy/ior_file_easy -O stoneWallingStatusFile=/tmp/cbt/mnt/cbt-cephfs-kernel/0/io500/io500-app/datafiles/2020.07.08-16.53.40-app/ior-easy/stonewall -t 2m -b 9920000m -F -w -D 300 -O stoneWallingWearOut=1 -a CEPHFS --cephfs.user=admin --cephfs.conf=/etc/ceph/ceph.conf --cephfs.prefix=/tmp/cbt/mnt/cbt-cephfs-kernel/0
Machine             : Linux o03
TestID              : 0
StartTime           : Wed Jul  8 17:48:16 2020
Path                : /tmp/cbt/mnt/cbt-cephfs-kernel/0/io500/io500-app/datafiles/2020.07.08-16.53.40-app/ior-easy
FS                  : 429.8 TiB   Used FS: 7.0%   Inodes: 7.5 Mi   Used Inodes: 100.0%

Options: 
api                 : CEPHFS
apiVersion          : 
test filename       : /tmp/cbt/mnt/cbt-cephfs-kernel/0/io500/io500-app/datafiles/2020.07.08-16.53.40-app/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               : 8
tasks               : 256
clients per node    : 32
repetitions         : 1
xfersize            : 2 MiB
blocksize           : 9.46 TiB
aggregate filesize  : 2421.88 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
------    ---------  ----       ----------  ---------- ---------  --------   --------   --------   --------   ----
stonewalling pairs accessed min: 24162 max: 54356 -- min data: 47.2 GiB mean data: 80.2 GiB time: 301.5s
WARNING: Expected aggregate file size       = 2662879723520000.
WARNING: Stat() of aggregate file size      = 29182155292672.
WARNING: Using actual aggregate bytes moved = 29182155292672.
WARNING: maybe caused by deadlineForStonewalling
write     59254      29629      0.000070    10158080000 2048.00    0.028567   469.65     0.000449   469.68     0   
Max Write: 59254.27 MiB/sec (62132.61 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       59254.27   59254.27   59254.27       0.00   29627.14   29627.14   29627.14       0.00  469.67535     301.49      69704.21     0    256  32    1   1     1        1         0    0      1 10401873920000  2097152 27830272.0 CEPHFS      0
Finished            : Wed Jul  8 17:56:06 2020