GlusterFS 3.5.3 - untar: very poor performance

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Dear all,

I just noticed on my main volume of my HPC cluster my IO operations become impressively poor.. 

Doing some file operations above a linux kernel sources compressed file, the untar operation can take more than 1/2 hours for this file (roughly 80MB and 52 000 files inside) as you read below:
#######################################################
################  UNTAR time consumed  ################
#######################################################


real 32m42.967s
user 0m11.783s
sys 0m15.050s

#######################################################
#################  DU time consumed  ##################
#######################################################

557M linux-4.1-rc6

real 0m25.060s
user 0m0.068s
sys 0m0.344s

#######################################################
#################  FIND time consumed  ################
#######################################################

52663

real 0m25.687s
user 0m0.084s
sys 0m0.387s

#######################################################
#################  GREP time consumed  ################
#######################################################

7952

real 2m15.890s
user 0m0.887s
sys 0m2.777s

#######################################################
#################  TAR time consumed  #################
#######################################################


real 1m5.551s
user 0m26.536s
sys 0m2.609s

#######################################################
#################  RM time consumed  ##################
#######################################################


real 2m51.485s
user 0m0.167s
sys 0m1.663s

For information, this volume is a distributed replicated one and is composed by 4 servers with 2 bricks each. Each bricks is a 12-drives RAID6 vdisk with nice native performances (around 1.2GBs).

In comparison, when I use DD to generate a 100GB file on the same volume, my write throughput is around 1GB (client side) and 500MBs (server side) because of replication:
Client side:
[root@node056 ~]# ifstat -i ib0
       ib0        
 KB/s in  KB/s out
 3251.45  1.09e+06
 3139.80  1.05e+06
 3185.29  1.06e+06
 3293.84  1.09e+06
...

Server side:
[root@lucifer ~]# ifstat -i ib0
       ib0        
 KB/s in  KB/s out
561818.1   1746.42
560020.3   1737.92
526337.1   1648.20
513972.7   1613.69
...

DD command:
[root@node056 ~]# dd if=/dev/zero of=/home/root/test.dd bs=1M count=100000
100000+0 enregistrements lus
100000+0 enregistrements écrits
104857600000 octets (105 GB) copiés, 202,99 s, 517 MB/s

So this issue doesn’t seem coming from the network (which is Infiniband technology in this case)

You can find in attachments a set of files:
- mybench.sh: the bench script
- benches.txt: output of my "bench"
- profile.txt: gluster volume profile during the "bench"
- vol_status.txt: gluster volume status
- vol_info.txt: gluster volume info

Can someone help me to fix it (it’s very critical because this volume is on a HPC cluster in production).

Thanks by advance,
Geoffrey
-----------------------------------------------
Geoffrey Letessier

Responsable informatique & ingénieur système
CNRS - UPR 9080 - Laboratoire de Biochimie Théorique
Institut de Biologie Physico-Chimique
13, rue Pierre et Marie Curie - 75005 Paris
Tel: 01 58 41 50 93 - eMail: geoffrey.letessier@xxxxxxx
#######################################################
################  UNTAR time consumed  ################
#######################################################


real	32m42.967s
user	0m11.783s
sys	0m15.050s

#######################################################
#################  DU time consumed  ##################
#######################################################

557M	linux-4.1-rc6

real	0m25.060s
user	0m0.068s
sys	0m0.344s

#######################################################
#################  FIND time consumed  ################
#######################################################

52663

real	0m25.687s
user	0m0.084s
sys	0m0.387s

#######################################################
#################  GREP time consumed  ################
#######################################################

7952

real	2m15.890s
user	0m0.887s
sys	0m2.777s

#######################################################
#################  TAR time consumed  #################
#######################################################


real	1m5.551s
user	0m26.536s
sys	0m2.609s

#######################################################
#################  RM time consumed  ##################
#######################################################


real	2m51.485s
user	0m0.167s
sys	0m1.663s

Attachment: mybench.sh
Description: Binary data

Brick: ib-storage1:/export/brick_home/brick1
--------------------------------------------
Cumulative Stats:
   Block Size:                  1b+                   2b+                   4b+ 
 No. of Reads:                    0                     4                     5 
No. of Writes:                 2503                  3565                677590 
 
   Block Size:                  8b+                  16b+                  32b+ 
 No. of Reads:                    6                   267                    95 
No. of Writes:              6520399               7921488                102967 
 
   Block Size:                 64b+                 128b+                 256b+ 
 No. of Reads:                  162                   300                   551 
No. of Writes:              1413431               2067947                145362 
 
   Block Size:                512b+                1024b+                2048b+ 
 No. of Reads:                  857                  1609                161526 
No. of Writes:               296020               2032864               1894595 
 
   Block Size:               4096b+                8192b+               16384b+ 
 No. of Reads:                17889                 11758                  9624 
No. of Writes:             19938454                337311              13717970 
 
   Block Size:              32768b+               65536b+              131072b+ 
 No. of Reads:                18532                522995              25990763 
No. of Writes:              2326904               1936216              10774752 
 
   Block Size:             262144b+ 
 No. of Reads:                    0 
No. of Writes:                  367 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us         638901      FORGET
      0.00       0.00 us       0.00 us       0.00 us       21813916     RELEASE
      0.00       0.00 us       0.00 us       0.00 us         348145  RELEASEDIR
      0.00      96.00 us      96.00 us      96.00 us              1        LINK
      0.00      25.80 us      17.00 us      80.00 us            368    READLINK
      0.01   16410.00 us     211.00 us   32676.00 us              7     SYMLINK
      0.03      47.17 us       9.00 us   18825.00 us           6472     READDIR
      0.03      41.90 us      12.00 us     204.00 us           7704        STAT
      0.04      52.28 us      14.00 us     218.00 us           7696       FSTAT
      0.04     132.28 us      79.00 us   32726.00 us           3207       RMDIR
      0.05      83.08 us      33.00 us    1094.00 us           6428    SETXATTR
      0.05     110.99 us      65.00 us     645.00 us           5336     XATTROP
      0.06     111.66 us      19.00 us    9216.00 us           5498    GETXATTR
      0.10      43.91 us      17.00 us     459.00 us          26195        OPEN
      0.12      23.09 us       7.00 us    1858.00 us          58971       FLUSH
      0.13      40.34 us      18.00 us    9435.00 us          36761     OPENDIR
      0.18     110.57 us      33.00 us  233287.00 us          18116   FTRUNCATE
      0.32      34.78 us       7.00 us    1098.00 us         100440     ENTRYLK
      0.47      55.02 us      23.00 us   13738.00 us          93929     SETATTR
      0.53     472.87 us      81.00 us 1060168.00 us          12466      UNLINK
      0.58      43.62 us       9.00 us  185279.00 us         147550    FINODELK
      0.78    2349.35 us     566.00 us  302825.00 us           3674      STATFS
      0.87      38.93 us      10.00 us  129683.00 us         248111     INODELK
      0.93      88.29 us      35.00 us   41846.00 us         117204       WRITE
      2.44    1676.53 us      63.00 us 1096272.00 us          16125       FSYNC
      4.04     734.44 us      23.00 us  341615.00 us          61003    READDIRP
      4.63     327.10 us      51.00 us 1572422.00 us         156987    FXATTROP
      8.02   13845.49 us     514.00 us  878375.00 us           6414       MKDIR
     11.76    1432.18 us      30.00 us 1424172.00 us          90993        READ
     28.45   12656.31 us     126.00 us  815661.00 us          24905      CREATE
     35.33    1015.71 us      29.00 us 1993181.00 us         385368      LOOKUP
 
    Duration: 3332887 seconds
   Data Read: 3446122000339 bytes
Data Written: 2112162576108 bytes
 
Interval 6 Stats:
   Block Size:                  1b+                   2b+                   4b+ 
 No. of Reads:                    0                     0                     0 
No. of Writes:                   24                     4                   147 
 
   Block Size:                  8b+                  16b+                  32b+ 
 No. of Reads:                    0                     0                     0 
No. of Writes:               290704                257822                   343 
 
   Block Size:                 64b+                 128b+                 256b+ 
 No. of Reads:                    4                     0                     6 
No. of Writes:                47480                 89041                  5689 
 
   Block Size:                512b+                1024b+                2048b+ 
 No. of Reads:                    7                     3                    10 
No. of Writes:                66843                  7420                169036 
 
   Block Size:               4096b+                8192b+               16384b+ 
 No. of Reads:                   80                   516                   442 
No. of Writes:              1392575                 14641                  5378 
 
   Block Size:              32768b+               65536b+              131072b+ 
 No. of Reads:                 1219                 48198                832387 
No. of Writes:                 4822                100530                123303 
 
   Block Size:             262144b+ 
 No. of Reads:                    0 
No. of Writes:                    3 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us          35039      FORGET
      0.00       0.00 us       0.00 us       0.00 us         771685     RELEASE
      0.00       0.00 us       0.00 us       0.00 us          47426  RELEASEDIR
      0.00      25.80 us      17.00 us      80.00 us            368    READLINK
      0.01   20149.33 us   11630.00 us   32676.00 us              3     SYMLINK
      0.01     115.32 us      70.00 us     514.00 us            938     XATTROP
      0.01     122.94 us      19.00 us    9216.00 us           1008    GETXATTR
      0.03      42.81 us      12.00 us     176.00 us           5226        STAT
      0.03      85.58 us      35.00 us     329.00 us           3215    SETXATTR
      0.03      44.87 us       9.00 us   18825.00 us           6436     READDIR
      0.04      54.01 us      16.00 us     208.00 us           5871       FSTAT
      0.05     132.28 us      79.00 us   32726.00 us           3207       RMDIR
      0.08      44.50 us      17.00 us     299.00 us          16713        OPEN
      0.09      23.27 us       7.00 us    1858.00 us          34260       FLUSH
      0.12      96.24 us      33.00 us   41868.00 us          11537   FTRUNCATE
      0.17      40.30 us      18.00 us    9435.00 us          36688     OPENDIR
      0.26      33.39 us       7.00 us    1098.00 us          69102     ENTRYLK
      0.30      57.20 us      25.00 us   13738.00 us          46997     SETATTR
      0.44      45.52 us       9.00 us  185279.00 us          86466    FINODELK
      0.56      41.04 us      11.00 us  129683.00 us         120644     INODELK
      0.62    2523.96 us     566.00 us  302825.00 us           2193      STATFS
      0.66     473.00 us     139.00 us 1060168.00 us          12461      UNLINK
      0.71      89.83 us      35.00 us   41846.00 us          70103       WRITE
      2.72    2342.45 us     135.00 us 1096272.00 us          10311       FSYNC
      4.27     417.12 us      52.00 us 1572422.00 us          90907    FXATTROP
      4.96     723.50 us      23.00 us  341615.00 us          60915    READDIRP
      5.94   16456.63 us     530.00 us  464098.00 us           3207       MKDIR
     14.64    1465.20 us      32.00 us 1424172.00 us          88799        READ
     21.11   15057.75 us     130.00 us  670879.00 us          12458      CREATE
     42.13    1449.10 us      30.00 us 1993181.00 us         258368      LOOKUP
 
    Duration: 130678 seconds
   Data Read: 112634411874 bytes
Data Written: 37104014555 bytes
 
Brick: ib-storage1:/export/brick_home/brick2
--------------------------------------------
Cumulative Stats:
   Block Size:                  1b+                   2b+                   4b+ 
 No. of Reads:                    1                    26                     1 
No. of Writes:                  162                   210                998509 
 
   Block Size:                  8b+                  16b+                  32b+ 
 No. of Reads:                   49                    42                    95 
No. of Writes:              7255477               7480105                115606 
 
   Block Size:                 64b+                 128b+                 256b+ 
 No. of Reads:                  157                   301                   450 
No. of Writes:              1656535               1178920                111314 
 
   Block Size:                512b+                1024b+                2048b+ 
 No. of Reads:                  874                  1588                  1991 
No. of Writes:               419785               1999041               1597559 
 
   Block Size:               4096b+                8192b+               16384b+ 
 No. of Reads:                17690                 14133                  9716 
No. of Writes:             14779519                237867               4943912 
 
   Block Size:              32768b+               65536b+              131072b+ 
 No. of Reads:                18535                531296              26209755 
No. of Writes:              2014514               2436442               7612781 
 
   Block Size:             262144b+ 
 No. of Reads:                    0 
No. of Writes:                  414 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us         582649      FORGET
      0.00       0.00 us       0.00 us       0.00 us       23283301     RELEASE
      0.00       0.00 us       0.00 us       0.00 us         337651  RELEASEDIR
      0.00     247.00 us     214.00 us     280.00 us              2      RENAME
      0.00      40.93 us      21.00 us      61.00 us             15    READLINK
      0.00    8590.33 us     650.00 us   24313.00 us              3       MKNOD
      0.00   11961.00 us    6810.00 us   17024.00 us              3     SYMLINK
      0.02      41.69 us      12.00 us     592.00 us           5122        STAT
      0.02      48.73 us      14.00 us     212.00 us           4533       FSTAT
      0.03      50.30 us       9.00 us   48239.00 us           6471     READDIR
      0.03     119.86 us      82.00 us    1540.00 us           3207       RMDIR
      0.05      82.39 us      36.00 us     247.00 us           6428    SETXATTR
      0.06     109.19 us      65.00 us     929.00 us           6883     XATTROP
      0.07     109.58 us      19.00 us    9203.00 us           7038    GETXATTR
      0.07      41.92 us      17.00 us     290.00 us          19584        OPEN
      0.10      22.54 us       6.00 us    1318.00 us          53065       FLUSH
      0.13      39.83 us      16.00 us   15248.00 us          36748     OPENDIR
      0.26     203.59 us      33.00 us 1563067.00 us          14798   FTRUNCATE
      0.29      33.64 us       7.00 us     663.00 us         100016     ENTRYLK
      0.33     312.28 us     133.00 us  957757.00 us          12380      UNLINK
      0.47      58.11 us      23.00 us  156892.00 us          93610     SETATTR
      0.56      52.35 us       9.00 us  284549.00 us         125238    FINODELK
      0.71      91.53 us      36.00 us   28059.00 us          90354       WRITE
      0.83      39.13 us      11.00 us  266939.00 us         248932     INODELK
      1.30    4149.23 us     909.00 us  302884.00 us           3672      STATFS
      1.91     164.64 us      49.00 us  486411.00 us         135360    FXATTROP
      2.17    2777.19 us     133.00 us 1231294.00 us           9138       FSYNC
      2.86     549.03 us      23.00 us  871225.00 us          60914    READDIRP
      8.24   15024.78 us     503.00 us 1024291.00 us           6414       MKDIR
     11.96    1201.78 us      27.00 us 1521246.00 us         116302        READ
     30.08   14183.64 us     126.00 us 1366919.00 us          24790      CREATE
     37.45    1107.39 us      29.00 us 2418700.00 us         395335      LOOKUP
 
    Duration: 3332887 seconds
   Data Read: 3474783830508 bytes
Data Written: 1531183844503 bytes
 
Interval 6 Stats:
   Block Size:                  1b+                   2b+                   4b+ 
 No. of Reads:                    0                     0                     0 
No. of Writes:                   13                     1                     7 
 
   Block Size:                  8b+                  16b+                  32b+ 
 No. of Reads:                    0                     0                     0 
No. of Writes:               201791                103365                   362 
 
   Block Size:                 64b+                 128b+                 256b+ 
 No. of Reads:                    0                     0                     2 
No. of Writes:                65495                 32729                  6118 
 
   Block Size:                512b+                1024b+                2048b+ 
 No. of Reads:                    1                     2                     9 
No. of Writes:                84277                  8572                 92260 
 
   Block Size:               4096b+                8192b+               16384b+ 
 No. of Reads:                   67                   527                   472 
No. of Writes:               674402                  8759                 10442 
 
   Block Size:              32768b+               65536b+              131072b+ 
 No. of Reads:                 1050                 52273               1218750 
No. of Writes:                 2821                201335               1096401 
 
   Block Size:             262144b+ 
 No. of Reads:                    0 
No. of Writes:                    5 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us          35031      FORGET
      0.00       0.00 us       0.00 us       0.00 us         602698     RELEASE
      0.00       0.00 us       0.00 us       0.00 us          46990  RELEASEDIR
      0.00      40.93 us      21.00 us      61.00 us             15    READLINK
      0.00   17024.00 us   17024.00 us   17024.00 us              1     SYMLINK
      0.01     115.41 us      65.00 us     929.00 us            959     XATTROP
      0.01      41.81 us      13.00 us     592.00 us           2852        STAT
      0.01     120.97 us      21.00 us    9203.00 us           1024    GETXATTR
      0.02      48.86 us      16.00 us     202.00 us           3168       FSTAT
      0.03      85.42 us      37.00 us     247.00 us           3215    SETXATTR
      0.03      47.23 us       9.00 us   48239.00 us           6435     READDIR
      0.04     119.86 us      82.00 us    1540.00 us           3207       RMDIR
      0.06      41.53 us      17.00 us     290.00 us          13056        OPEN
      0.07      22.41 us       6.00 us     597.00 us          31146       FLUSH
      0.16      39.78 us      16.00 us   15248.00 us          36680     OPENDIR
      0.24      32.15 us       7.00 us     410.00 us          68752     ENTRYLK
      0.27     252.42 us      33.00 us 1563067.00 us          10011   FTRUNCATE
      0.31      61.96 us      26.00 us  156892.00 us          46758     SETATTR
      0.41     312.31 us     133.00 us  957757.00 us          12377      UNLINK
      0.44      54.73 us      10.00 us  268631.00 us          74842    FINODELK
      0.50      38.86 us      11.00 us   22112.00 us         119367     INODELK
      0.56      93.20 us      36.00 us   28059.00 us          56038       WRITE
      1.02    4339.86 us     909.00 us  302884.00 us           2191      STATFS
      1.46     172.96 us      54.00 us  486411.00 us          78882    FXATTROP
      1.73    2577.60 us     142.00 us 1231294.00 us           6262       FSYNC
      3.35     514.16 us      23.00 us    5523.00 us          60826    READDIRP
      6.14   17879.08 us     503.00 us  954711.00 us           3207       MKDIR
     14.96    1210.34 us      27.00 us 1521246.00 us         115423        READ
     23.07   17411.99 us     131.00 us 1253896.00 us          12377      CREATE
     45.11    1600.87 us      29.00 us 2418700.00 us         263192      LOOKUP
 
    Duration: 130678 seconds
   Data Read: 163529971099 bytes
Data Written: 165033472212 bytes
 
Brick: ib-storage4:/export/brick_home/brick2
--------------------------------------------
Cumulative Stats:
   Block Size:                  1b+                   2b+                   4b+ 
 No. of Reads:                  417                    21                    21 
No. of Writes:                 2799                 44458               1920989 
 
   Block Size:                  8b+                  16b+                  32b+ 
 No. of Reads:                  155                 17212                   383 
No. of Writes:            120150069             123441450               1284806 
 
   Block Size:                 64b+                 128b+                 256b+ 
 No. of Reads:                  887                  1181                  2361 
No. of Writes:              3385737               3966309                675767 
 
   Block Size:                512b+                1024b+                2048b+ 
 No. of Reads:                 5231                  7376                 13678 
No. of Writes:              3515157               2689689               2380036 
 
   Block Size:               4096b+                8192b+               16384b+ 
 No. of Reads:                41771                 64205                115832 
No. of Writes:            342914077               4318646              12575888 
 
   Block Size:              32768b+               65536b+              131072b+ 
 No. of Reads:             12130828               1088246             100747675 
No. of Writes:             11367062               7674095              36049629 
 
   Block Size:             262144b+ 
 No. of Reads:                    0 
No. of Writes:                 1256 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us        2373725      FORGET
      0.00       0.00 us       0.00 us       0.00 us      285379523     RELEASE
      0.00       0.00 us       0.00 us       0.00 us         998266  RELEASEDIR
      0.00     111.00 us     111.00 us     111.00 us              1        LINK
      0.00    1469.50 us     459.00 us    2480.00 us              2      RENAME
      0.00      48.11 us      21.00 us     118.00 us            362    READLINK
      0.01   16737.14 us     178.00 us   38401.00 us              7     SYMLINK
      0.03      68.16 us      30.00 us    1232.00 us           7480 REMOVEXATTR
      0.05     118.38 us      68.00 us    1609.00 us           7480     XATTROP
      0.06      22.60 us       7.00 us     691.00 us          46115       FLUSH
      0.06      56.21 us      19.00 us     191.00 us          19803        OPEN
      0.06      82.52 us      34.00 us     351.00 us          13917    SETXATTR
      0.07     168.68 us      17.00 us    3043.00 us           7668    GETXATTR
      0.07     370.83 us      16.00 us  237921.00 us           3759       FSTAT
      0.08     225.61 us      11.00 us  372254.00 us           6473     READDIR
      0.10     402.45 us      13.00 us  951568.00 us           4487        STAT
      0.10      52.57 us      21.00 us   65823.00 us          36751     OPENDIR
      0.14     805.40 us      97.00 us 1157607.00 us           3208       RMDIR
      0.21      39.82 us       9.00 us     599.00 us          99982     ENTRYLK
      0.22      35.51 us      11.00 us   10079.00 us         114585    FINODELK
      0.33      60.18 us      28.00 us   64586.00 us         100986     SETATTR
      0.53      44.28 us      11.00 us  326232.00 us         222108     INODELK
      0.63     127.57 us      39.00 us  445997.00 us          92621       WRITE
      1.53    3168.53 us      38.00 us 4933571.00 us           8977   FTRUNCATE
      1.85    2779.44 us     154.00 us 5294733.00 us          12393      UNLINK
      1.85    9334.79 us      22.00 us 10582833.00 us           3697      STATFS
      2.33    1420.33 us      25.00 us 2699561.00 us          30539    READDIRP
      3.60     546.24 us      58.00 us 2198782.00 us         122938    FXATTROP
      6.13    7225.74 us      26.00 us 2715877.00 us          15817        READ
      6.30   18012.53 us     150.00 us 3784104.00 us           6519       FSYNC
      7.64   22184.56 us     628.00 us  996693.00 us           6414       MKDIR
     28.04   21101.37 us     156.00 us 1056408.00 us          24756      CREATE
     37.98    1613.62 us      22.00 us 2171864.00 us         438497      LOOKUP
 
    Duration: 8245643 seconds
   Data Read: 13781191303643 bytes
Data Written: 8899094872577 bytes
 
Interval 8 Stats:
   Block Size:                  1b+                   4b+                   8b+ 
 No. of Reads:                    0                     0                     0 
No. of Writes:                    9                    17                 61796 
 
   Block Size:                 16b+                  32b+                  64b+ 
 No. of Reads:                    0                     0                     2 
No. of Writes:               197721                   497                 47678 
 
   Block Size:                128b+                 256b+                 512b+ 
 No. of Reads:                    1                     2                     3 
No. of Writes:                85079                  8377                 16024 
 
   Block Size:               1024b+                2048b+                4096b+ 
 No. of Reads:                    5                     3                    75 
No. of Writes:                13918                 84114                570032 
 
   Block Size:               8192b+               16384b+               32768b+ 
 No. of Reads:                  457                  2478                   249 
No. of Writes:                 5621                  2445                  1931 
 
   Block Size:              65536b+              131072b+              262144b+ 
 No. of Reads:                45784                858666                     0 
No. of Writes:               175805                227232                    11 
 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us          35025      FORGET
      0.00       0.00 us       0.00 us       0.00 us         519793     RELEASE
      0.00       0.00 us       0.00 us       0.00 us          46990  RELEASEDIR
      0.00      48.11 us      21.00 us     118.00 us            362    READLINK
      0.00   11342.67 us     178.00 us   33644.00 us              3     SYMLINK
      0.00      66.33 us      31.00 us     361.00 us           1010 REMOVEXATTR
      0.01     118.80 us      68.00 us    1609.00 us           1010     XATTROP
      0.01     164.75 us      17.00 us    1027.00 us           1077    GETXATTR
      0.02      84.53 us      35.00 us     351.00 us           4225    SETXATTR
      0.04      53.48 us      21.00 us     191.00 us          10655        OPEN
      0.04      22.30 us       7.00 us     691.00 us          26203       FLUSH
      0.09     539.23 us      16.00 us  237921.00 us           2413       FSTAT
      0.10     223.58 us      11.00 us  372254.00 us           6435     READDIR
      0.12     635.83 us      14.00 us  951568.00 us           2712        STAT
      0.13      52.55 us      21.00 us   65823.00 us          36680     OPENDIR
      0.15      35.49 us      11.00 us    2418.00 us          63844    FINODELK
      0.17      37.40 us       9.00 us     599.00 us          68774     ENTRYLK
      0.18     805.59 us      97.00 us 1157607.00 us           3207       RMDIR
      0.20      60.07 us      29.00 us   64586.00 us          47779     SETATTR
      0.32      44.53 us      12.00 us  272234.00 us         106021     INODELK
      0.33     113.37 us      40.00 us  410447.00 us          43123       WRITE
      1.41    9444.66 us     883.00 us 10582833.00 us           2191      STATFS
      1.67    4275.34 us      38.00 us 4933571.00 us           5735   FTRUNCATE
      2.34    2781.47 us     158.00 us 5294733.00 us          12383      UNLINK
      2.71     585.66 us      58.00 us 2198782.00 us          68014    FXATTROP
      2.86    1384.26 us      25.00 us 2699561.00 us          30408    READDIRP
      5.45   20084.19 us     210.00 us 3784104.00 us           3995       FSYNC
      5.99   27503.67 us     643.00 us  996693.00 us           3207       MKDIR
      7.72   12154.58 us      40.00 us 2715877.00 us           9344        READ
     21.29   25301.02 us     159.00 us  977262.00 us          12380      CREATE
     46.64    2453.60 us      22.00 us 2171864.00 us         279710      LOOKUP
 
    Duration: 130678 seconds
   Data Read: 115885000924 bytes
Data Written: 51705278415 bytes
 
Brick: ib-storage4:/export/brick_home/brick1
--------------------------------------------
Cumulative Stats:
   Block Size:                  1b+                   2b+                   4b+ 
 No. of Reads:                   14                    59                    24 
No. of Writes:                 3102                143118               1913649 
 
   Block Size:                  8b+                  16b+                  32b+ 
 No. of Reads:                   93                   363                   322 
No. of Writes:            146972063             137996676                955372 
 
   Block Size:                 64b+                 128b+                 256b+ 
 No. of Reads:                  602                  1657                  1914 
No. of Writes:              3607769               3526969                593478 
 
   Block Size:                512b+                1024b+                2048b+ 
 No. of Reads:                 4941                 10475                 15626 
No. of Writes:              3170256               3519492               3487318 
 
   Block Size:               4096b+                8192b+               16384b+ 
 No. of Reads:                42721               2865963                122751 
No. of Writes:            421096284               6505251              16204384 
 
   Block Size:              32768b+               65536b+              131072b+ 
 No. of Reads:               241098               1246959             125695304 
No. of Writes:             24321299              17112293              36754149 
 
   Block Size:             262144b+ 
 No. of Reads:                    0 
No. of Writes:                 1137 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us        2395042      FORGET
      0.00       0.00 us       0.00 us       0.00 us      355901765     RELEASE
      0.00       0.00 us       0.00 us       0.00 us         999338  RELEASEDIR
      0.00     146.00 us     146.00 us     146.00 us              1        LINK
      0.00    1843.67 us     817.00 us    3374.00 us              3      RENAME
      0.00   10584.00 us   10584.00 us   10584.00 us              1       MKNOD
      0.00      37.25 us      18.00 us     114.00 us            365    READLINK
      0.00   21181.00 us     203.00 us   50727.00 us              3     SYMLINK
      0.03      68.35 us      30.00 us     579.00 us           5992 REMOVEXATTR
      0.03      76.14 us      15.00 us  134626.00 us           5533        STAT
      0.04      95.69 us      14.00 us   38936.00 us           5679       FSTAT
      0.05     203.33 us      96.00 us  142249.00 us           3208       RMDIR
      0.05     107.27 us      11.00 us  138966.00 us           6473     READDIR
      0.05     117.88 us      66.00 us    1731.00 us           5992     XATTROP
      0.06      56.93 us      12.00 us    6374.00 us          13698          LK
      0.07      83.66 us      36.00 us    9810.00 us          12429    SETXATTR
      0.07     171.51 us      21.00 us    2559.00 us           6179    GETXATTR
      0.12      56.28 us      17.00 us   15160.00 us          29042        OPEN
      0.12      25.36 us       6.00 us    8211.00 us          69485       FLUSH
      0.14      55.61 us      20.00 us   18606.00 us          36751     OPENDIR
      0.28      40.26 us       9.00 us    2822.00 us         100078     ENTRYLK
      0.37      36.25 us      11.00 us     876.00 us         144480    FINODELK
      0.41      59.11 us      27.00 us   45322.00 us          99394     SETATTR
      0.74      47.66 us      11.00 us  893771.00 us         218811     INODELK
      0.90    3434.93 us      23.00 us  302647.00 us           3697      STATFS
      0.96     118.00 us      36.00 us  584830.00 us         115233       WRITE
      1.44     670.48 us      26.00 us  492717.00 us          30374    READDIRP
      1.91    2174.28 us     155.00 us 3897490.00 us          12478      UNLINK
      2.24    1640.66 us      33.00 us 3419939.00 us          19311   FTRUNCATE
      4.25     394.50 us      54.00 us 1598213.00 us         152708    FXATTROP
      5.08    6835.66 us     157.00 us 1509652.00 us          10528       FSYNC
      8.49   18772.67 us     676.00 us 1475838.00 us           6414       MKDIR
      9.15     901.13 us      19.00 us  641961.00 us         143997        READ
     29.92   17156.74 us     155.00 us 1576799.00 us          24720      CREATE
     33.02    1111.79 us      34.00 us 1251645.00 us         421029      LOOKUP
 
    Duration: 8245643 seconds
   Data Read: 16618489558419 bytes
Data Written: 11059829249488 bytes
 
Interval 8 Stats:
   Block Size:                  1b+                   2b+                   4b+ 
 No. of Reads:                    0                     0                     0 
No. of Writes:                   11                     3                    16 
 
   Block Size:                  8b+                  16b+                  32b+ 
 No. of Reads:                    0                     0                     0 
No. of Writes:               174531                170339                   480 
 
   Block Size:                 64b+                 128b+                 256b+ 
 No. of Reads:                    0                     4                     0 
No. of Writes:                73389                 43453                  7791 
 
   Block Size:                512b+                1024b+                2048b+ 
 No. of Reads:                   30                     3                    31 
No. of Writes:                20833                 13945                191335 
 
   Block Size:               4096b+                8192b+               16384b+ 
 No. of Reads:                   73                   404                  2978 
No. of Writes:              1399938                 10827                  5718 
 
   Block Size:              32768b+               65536b+              131072b+ 
 No. of Reads:                  178                 87941               1359963 
No. of Writes:                 4554                272285                280883 
 
   Block Size:             262144b+ 
 No. of Reads:                    0 
No. of Writes:                   10 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us          34961      FORGET
      0.00       0.00 us       0.00 us       0.00 us         651615     RELEASE
      0.00       0.00 us       0.00 us       0.00 us          46990  RELEASEDIR
      0.00    6408.00 us     203.00 us   12613.00 us              2     SYMLINK
      0.00      37.25 us      18.00 us     114.00 us            365    READLINK
      0.01      66.95 us      30.00 us     266.00 us            995 REMOVEXATTR
      0.01     120.86 us      66.00 us    1731.00 us            995     XATTROP
      0.01      52.25 us      17.00 us     212.00 us           2969        STAT
      0.02     169.76 us      21.00 us    1494.00 us           1062    GETXATTR
      0.03      87.01 us      36.00 us    9810.00 us           4210    SETXATTR
      0.04     114.75 us      14.00 us   38936.00 us           3685       FSTAT
      0.06     203.36 us      96.00 us  142249.00 us           3207       RMDIR
      0.06     104.05 us      11.00 us  138966.00 us           6435     READDIR
      0.07      54.16 us      23.00 us   15160.00 us          14075        OPEN
      0.07      22.60 us       8.00 us    1020.00 us          34107       FLUSH
      0.18      55.58 us      20.00 us   18606.00 us          36680     OPENDIR
      0.23      37.95 us       9.00 us    2822.00 us          69138     ENTRYLK
      0.25      58.53 us      27.00 us   45322.00 us          48045     SETATTR
      0.25      35.42 us      11.00 us     876.00 us          80318    FINODELK
      0.50      52.27 us      12.00 us  893771.00 us         106580     INODELK
      0.74    3764.05 us     678.00 us  302647.00 us           2191      STATFS
      0.77     127.19 us      38.00 us  584830.00 us          67703       WRITE
      1.69     622.66 us      26.00 us  492717.00 us          30272    READDIRP
      2.43    2174.91 us     159.00 us 3897490.00 us          12474      UNLINK
      2.52    2691.21 us      38.00 us 3419939.00 us          10441   FTRUNCATE
      4.03     532.52 us      54.00 us 1598213.00 us          84534    FXATTROP
      4.52    7344.64 us     157.00 us 1509652.00 us           6877       FSYNC
      6.68   23269.92 us     688.00 us 1475838.00 us           3207       MKDIR
     11.58     934.12 us      38.00 us  641961.00 us         138480        READ
     23.12   20702.08 us     155.00 us 1576799.00 us          12472      CREATE
     40.12    1681.59 us      34.00 us 1251645.00 us         266403      LOOKUP
 
    Duration: 130678 seconds
   Data Read: 184440024688 bytes
Data Written: 73336009406 bytes
 
Brick: ib-storage2:/export/brick_home/brick2
--------------------------------------------
Cumulative Stats:
   Block Size:                  1b+                   2b+                   4b+ 
 No. of Reads:                    3                     8                     6 
No. of Writes:                  162                   210                998462 
 
   Block Size:                  8b+                  16b+                  32b+ 
 No. of Reads:                   31                   152                   112 
No. of Writes:              7255468               7480098                115554 
 
   Block Size:                 64b+                 128b+                 256b+ 
 No. of Reads:                  231                   528                   732 
No. of Writes:              1656480               1178874                111295 
 
   Block Size:                512b+                1024b+                2048b+ 
 No. of Reads:                 3765                  2602                  5057 
No. of Writes:               419643               1997143               1594991 
 
   Block Size:               4096b+                8192b+               16384b+ 
 No. of Reads:                24673                 30770                 45075 
No. of Writes:             14775885                237814               4559647 
 
   Block Size:              32768b+               65536b+              131072b+ 
 No. of Reads:               148825                884156              34437754 
No. of Writes:              2006298               2436275               7594413 
 
   Block Size:             262144b+ 
 No. of Reads:                    0 
No. of Writes:                  411 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us         574011      FORGET
      0.00       0.00 us       0.00 us       0.00 us       23285514     RELEASE
      0.00       0.00 us       0.00 us       0.00 us         331847  RELEASEDIR
      0.00     328.00 us     314.00 us     342.00 us              2      RENAME
      0.00      70.92 us      37.00 us     139.00 us             12    READLINK
      0.00    7881.67 us    1128.00 us   12950.00 us              3       MKNOD
      0.01   29591.33 us    5819.00 us   56502.00 us              3     SYMLINK
      0.02      63.03 us      18.00 us     950.00 us           3647        STAT
      0.02     103.18 us      14.00 us   23715.00 us           3447       FSTAT
      0.04      80.13 us      15.00 us   35916.00 us           6473     READDIR
      0.04     188.79 us     119.00 us   13576.00 us           3207       RMDIR
      0.04      89.58 us      35.00 us    1233.00 us           6877 REMOVEXATTR
      0.07     158.64 us      82.00 us    1369.00 us           6877     XATTROP
      0.09      65.28 us      23.00 us    2597.00 us          19598        OPEN
      0.10     108.32 us      39.00 us     511.00 us          13305    SETXATTR
      0.10     219.41 us      25.00 us    6959.00 us           7048    GETXATTR
      0.12      33.32 us       9.00 us     988.00 us          53065       FLUSH
      0.18      71.60 us      24.00 us   26355.00 us          36748     OPENDIR
      0.21     211.82 us      46.00 us  244514.00 us          14798   FTRUNCATE
      0.36     432.13 us     194.00 us 1563312.00 us          12380      UNLINK
      0.37      54.59 us      11.00 us     685.00 us         100016     ENTRYLK
      0.45      48.95 us      14.00 us   88451.00 us         137017    FINODELK
      0.55      80.90 us      36.00 us  131149.00 us         100487     SETATTR
      0.86     140.44 us      49.00 us   27274.00 us          90354       WRITE
      0.90      53.56 us      15.00 us   31422.00 us         249040     INODELK
      1.74    2804.45 us     178.00 us 1583694.00 us           9138       FSYNC
      1.85     194.26 us      72.00 us   88526.00 us         140362    FXATTROP
      2.09   43401.94 us      46.00 us 1108683.00 us            711    READDIRP
      2.30    9230.89 us    1090.00 us 10582852.00 us           3672      STATFS
      8.01   18426.27 us     941.00 us 2077151.00 us           6414       MKDIR
     10.14    1747.37 us      51.00 us 1636611.00 us          85635        READ
     28.67   17069.63 us     165.00 us 1729993.00 us          24790      CREATE
     40.68    1451.32 us      37.00 us 2361218.00 us         413672      LOOKUP
 
    Duration: 3287662 seconds
   Data Read: 4593814739723 bytes
Data Written: 1522157031477 bytes
 
Interval 6 Stats:
   Block Size:                  1b+                   2b+                   4b+ 
 No. of Reads:                    0                     0                     0 
No. of Writes:                   13                     1                     7 
 
   Block Size:                  8b+                  16b+                  32b+ 
 No. of Reads:                    0                     0                     0 
No. of Writes:               201791                103365                   362 
 
   Block Size:                 64b+                 128b+                 256b+ 
 No. of Reads:                    0                     2                     0 
No. of Writes:                65495                 32729                  6118 
 
   Block Size:                512b+                1024b+                2048b+ 
 No. of Reads:                   23                     2                     1 
No. of Writes:                84277                  8572                 92260 
 
   Block Size:               4096b+                8192b+               16384b+ 
 No. of Reads:                   90                   438                   302 
No. of Writes:               674402                  8759                 10442 
 
   Block Size:              32768b+               65536b+              131072b+ 
 No. of Reads:                  291                 85944                716849 
No. of Writes:                 2821                201335               1096401 
 
   Block Size:             262144b+ 
 No. of Reads:                    0 
No. of Writes:                    5 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us          35116      FORGET
      0.00       0.00 us       0.00 us       0.00 us         603134     RELEASE
      0.00       0.00 us       0.00 us       0.00 us          46990  RELEASEDIR
      0.00      70.92 us      37.00 us     139.00 us             12    READLINK
      0.00   56502.00 us   56502.00 us   56502.00 us              1     SYMLINK
      0.01      91.61 us      42.00 us     457.00 us            959 REMOVEXATTR
      0.01     169.26 us      96.00 us    1369.00 us            959     XATTROP
      0.02      63.31 us      18.00 us     950.00 us           3564        STAT
      0.02     247.53 us      30.00 us    6370.00 us           1032    GETXATTR
      0.02     109.52 us      14.00 us   23715.00 us           2499       FSTAT
      0.04     113.40 us      47.00 us     511.00 us           4174    SETXATTR
      0.04      80.19 us      15.00 us   35916.00 us           6435     READDIR
      0.05     188.79 us     119.00 us   13576.00 us           3207       RMDIR
      0.07      64.72 us      23.00 us    2597.00 us          13064        OPEN
      0.08      33.44 us       9.00 us     961.00 us          31146       FLUSH
      0.17     212.83 us      46.00 us  244514.00 us          10011   FTRUNCATE
      0.21      71.58 us      24.00 us   26355.00 us          36680     OPENDIR
      0.30      53.07 us      11.00 us     685.00 us          68752     ENTRYLK
      0.31      79.83 us      36.00 us   43346.00 us          47717     SETATTR
      0.32      49.23 us      14.00 us   88451.00 us          80557    FINODELK
      0.44     432.18 us     194.00 us 1563312.00 us          12377      UNLINK
      0.53      54.24 us      15.00 us   31422.00 us         119434     INODELK
      0.65     142.49 us      49.00 us   27274.00 us          56038       WRITE
      1.29     194.44 us      73.00 us   88526.00 us          81590    FXATTROP
      1.64    9201.79 us    1090.00 us 10582852.00 us           2191      STATFS
      1.84    3595.43 us     178.00 us 1583694.00 us           6262       FSYNC
      2.49   49818.49 us      75.00 us 1108683.00 us            612    READDIRP
      6.91   26413.22 us     941.00 us 2077151.00 us           3207       MKDIR
     12.20    1758.74 us      51.00 us 1636611.00 us          85043        READ
     24.48   24253.61 us     192.00 us 1729993.00 us          12377      CREATE
     45.85    1997.26 us      59.00 us 2361218.00 us         281557      LOOKUP
 
    Duration: 130678 seconds
   Data Read: 99960233724 bytes
Data Written: 165033472212 bytes
 
Brick: ib-storage2:/export/brick_home/brick1
--------------------------------------------
Cumulative Stats:
   Block Size:                  1b+                   2b+                   4b+ 
 No. of Reads:                    4                     6                     3 
No. of Writes:                 2503                  3565                677582 
 
   Block Size:                  8b+                  16b+                  32b+ 
 No. of Reads:                   24                   300                    98 
No. of Writes:              6520394               7921488                102885 
 
   Block Size:                 64b+                 128b+                 256b+ 
 No. of Reads:                  281                   449                   821 
No. of Writes:              1413392               2067916                145349 
 
   Block Size:                512b+                1024b+                2048b+ 
 No. of Reads:                 4018                  2387                297908 
No. of Writes:               295881               2031027               1892018 
 
   Block Size:               4096b+                8192b+               16384b+ 
 No. of Reads:                24837                 30359                 45248 
No. of Writes:             19934955                337179              13338686 
 
   Block Size:              32768b+               65536b+              131072b+ 
 No. of Reads:               154966                822618              40237418 
No. of Writes:              2317370               1936040              10737467 
 
   Block Size:             262144b+ 
 No. of Reads:                    0 
No. of Writes:                  362 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us         630341      FORGET
      0.00       0.00 us       0.00 us       0.00 us       21814593     RELEASE
      0.00       0.00 us       0.00 us       0.00 us         342341  RELEASEDIR
      0.00     126.00 us     126.00 us     126.00 us              1        LINK
      0.00      51.48 us      18.00 us     241.00 us           1287        STAT
      0.01   21034.00 us     248.00 us   48661.00 us              7     SYMLINK
      0.04    3683.78 us      46.00 us   99904.00 us            134    READDIRP
      0.04      93.05 us      37.00 us     405.00 us           5331 REMOVEXATTR
      0.04      87.73 us      16.00 us   44298.00 us           6473     READDIR
      0.04     191.38 us     112.00 us    7419.00 us           3207       RMDIR
      0.06     150.18 us      17.00 us   77306.00 us           5540       FSTAT
      0.06     164.26 us      77.00 us    1495.00 us           5331     XATTROP
      0.09     223.02 us      33.00 us    7473.00 us           5508    GETXATTR
      0.09     111.19 us      43.00 us     649.00 us          11759    SETXATTR
      0.13      67.38 us      23.00 us    3477.00 us          26207        OPEN
      0.15      35.78 us       8.00 us    4286.00 us          58969       FLUSH
      0.19      71.94 us      24.00 us   17725.00 us          36761     OPENDIR
      0.40      55.64 us      11.00 us    8442.00 us         100440     ENTRYLK
      0.41     451.15 us     168.00 us  799700.00 us          12466      UNLINK
      0.56     429.19 us      44.00 us 1333102.00 us          18115   FTRUNCATE
      0.56      49.73 us      13.00 us    1242.00 us         156945    FINODELK
      0.57      79.78 us      34.00 us   34626.00 us          99260     SETATTR
      0.96      53.88 us      15.00 us   28786.00 us         248213     INODELK
      1.15     136.13 us      52.00 us  108559.00 us         117201       WRITE
      2.25     194.82 us      72.00 us  161079.00 us         160001    FXATTROP
      2.37    8955.90 us     665.00 us 10582939.00 us           3674      STATFS
      6.67   14437.77 us     923.00 us  860778.00 us           6414       MKDIR
      8.61    7413.79 us     124.00 us 3159235.00 us          16124       FSYNC
     10.03    1565.37 us      39.00 us  696532.00 us          88922        READ
     23.48   13084.14 us     184.00 us 3548041.00 us          24905      CREATE
     41.02    1446.27 us      38.00 us 3968026.00 us         393626      LOOKUP
 
    Duration: 3287662 seconds
   Data Read: 5351151149122 bytes
Data Written: 2100690985553 bytes
 
Interval 6 Stats:
   Block Size:                  1b+                   2b+                   4b+ 
 No. of Reads:                    0                     0                     0 
No. of Writes:                   24                     4                   147 
 
   Block Size:                  8b+                  16b+                  32b+ 
 No. of Reads:                    0                     0                     0 
No. of Writes:               290704                257822                   343 
 
   Block Size:                 64b+                 128b+                 256b+ 
 No. of Reads:                    0                     4                    24 
No. of Writes:                47480                 89041                  5689 
 
   Block Size:                512b+                1024b+                2048b+ 
 No. of Reads:                    5                     3                   122 
No. of Writes:                66843                  7420                169036 
 
   Block Size:               4096b+                8192b+               16384b+ 
 No. of Reads:                   67                   438                   298 
No. of Writes:              1392575                 14641                  5378 
 
   Block Size:              32768b+               65536b+              131072b+ 
 No. of Reads:                  322                 75334                801470 
No. of Writes:                 4822                100530                123303 
 
   Block Size:             262144b+ 
 No. of Reads:                    0 
No. of Writes:                    3 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us          35118      FORGET
      0.00       0.00 us       0.00 us       0.00 us         772121     RELEASE
      0.00       0.00 us       0.00 us       0.00 us          47426  RELEASEDIR
      0.00     531.38 us      52.00 us    1507.00 us             24    READDIRP
      0.01      51.56 us      18.00 us     241.00 us           1195        STAT
      0.01      94.37 us      45.00 us     405.00 us            938 REMOVEXATTR
      0.01   32141.67 us   19610.00 us   48661.00 us              3     SYMLINK
      0.01     180.00 us      99.00 us    1495.00 us            938     XATTROP
      0.02     256.49 us      35.00 us    7473.00 us           1015    GETXATTR
      0.04     115.42 us      49.00 us     649.00 us           4153    SETXATTR
      0.05      86.37 us      16.00 us   44298.00 us           6435     READDIR
      0.05     191.38 us     112.00 us    7419.00 us           3207       RMDIR
      0.06     193.03 us      17.00 us   77306.00 us           3532       FSTAT
      0.10      67.72 us      25.00 us     810.00 us          16721        OPEN
      0.11      36.30 us       8.00 us    2116.00 us          34260       FLUSH
      0.23      71.90 us      24.00 us   17725.00 us          36688     OPENDIR
      0.33      54.34 us      11.00 us    8442.00 us          69102     ENTRYLK
      0.34      79.89 us      34.00 us   34626.00 us          47935     SETATTR
      0.40      50.24 us      14.00 us     876.00 us          91170    FINODELK
      0.49     451.25 us     168.00 us  799700.00 us          12461      UNLINK
      0.55     541.77 us      44.00 us 1333102.00 us          11537   FTRUNCATE
      0.57      54.27 us      15.00 us   20314.00 us         120665     INODELK
      0.84     135.99 us      52.00 us   20007.00 us          70103       WRITE
      1.60     197.66 us      72.00 us  161079.00 us          92485    FXATTROP
      1.72    8928.45 us     665.00 us 10582939.00 us           2193      STATFS
      5.17   18384.45 us     951.00 us  860778.00 us           3207       MKDIR
     10.04   11103.24 us     187.00 us 3159235.00 us          10311       FSYNC
     12.20    1577.97 us      39.00 us  696532.00 us          88156        READ
     18.43   16873.19 us     193.00 us 3548041.00 us          12458      CREATE
     46.62    1993.57 us      54.00 us 3968026.00 us         266654      LOOKUP
 
    Duration: 130678 seconds
   Data Read: 110320985300 bytes
Data Written: 37104014555 bytes
 
Brick: ib-storage3:/export/brick_home/brick1
--------------------------------------------
Cumulative Stats:
   Block Size:                  1b+                   2b+                   4b+ 
 No. of Reads:                  278                    19                    25 
No. of Writes:                 3102                143118               1913649 
 
   Block Size:                  8b+                  16b+                  32b+ 
 No. of Reads:                   80                  6032                   286 
No. of Writes:            146971892             137996567                955372 
 
   Block Size:                 64b+                 128b+                 256b+ 
 No. of Reads:                  588                  1410                  2207 
No. of Writes:              3607770               3526971                593478 
 
   Block Size:                512b+                1024b+                2048b+ 
 No. of Reads:                 5785                 12100                 14835 
No. of Writes:              3170256               3519473               3487316 
 
   Block Size:               4096b+                8192b+               16384b+ 
 No. of Reads:                42840               7783521                109914 
No. of Writes:            421096135               6505124              16204424 
 
   Block Size:              32768b+               65536b+              131072b+ 
 No. of Reads:               239345               1333729             130336390 
No. of Writes:             24321304              17112308              36754137 
 
   Block Size:             262144b+ 
 No. of Reads:                    0 
No. of Writes:                 1137 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us        2394796      FORGET
      0.00       0.00 us       0.00 us       0.00 us      355899920     RELEASE
      0.00       0.00 us       0.00 us       0.00 us         999334  RELEASEDIR
      0.00     188.00 us     188.00 us     188.00 us              1        LINK
      0.00    1908.33 us     874.00 us    3563.00 us              3      RENAME
      0.00   37467.00 us   37467.00 us   37467.00 us              1       MKNOD
      0.00   14059.33 us     222.00 us   24467.00 us              3     SYMLINK
      0.03      53.88 us      12.00 us   25596.00 us           6473     READDIR
      0.03      67.33 us      15.00 us   14007.00 us           5914       FSTAT
      0.04      86.94 us      34.00 us     234.00 us           6437    SETXATTR
      0.06     123.88 us      23.00 us    1022.00 us           6178    GETXATTR
      0.06     130.48 us      71.00 us     513.00 us           5990     XATTROP
      0.08     177.54 us      13.00 us  375360.00 us           5709        STAT
      0.08     334.94 us      95.00 us  618297.00 us           3208       RMDIR
      0.12      55.30 us      14.00 us    2287.00 us          29015        OPEN
      0.13      25.14 us       6.00 us    1710.00 us          69454       FLUSH
      0.14     139.47 us      13.00 us   18248.00 us          13658          LK
      0.16      56.22 us      19.00 us    9100.00 us          36752     OPENDIR
      0.31      40.78 us       8.00 us     571.00 us         100078     ENTRYLK
      0.39      36.27 us      10.00 us    2852.00 us         144224    FINODELK
      0.41      57.80 us      27.00 us   14441.00 us          93402     SETATTR
      0.79      47.91 us      12.00 us  955514.00 us         218883     INODELK
      0.92     105.89 us      39.00 us  178789.00 us         115232       WRITE
      1.14    1210.05 us     162.00 us 2372502.00 us          12478      UNLINK
      1.51    5443.69 us      20.00 us 8027637.00 us           3697      STATFS
      2.14     920.62 us      27.00 us  303564.00 us          30951    READDIRP
      2.94     256.06 us      57.00 us 1014635.00 us         152672    FXATTROP
      3.14    2159.56 us      33.00 us 1969773.00 us          19302   FTRUNCATE
      8.14   16868.37 us     651.00 us 1587347.00 us           6414       MKDIR
      8.17   10306.76 us     145.00 us 2630139.00 us          10528       FSYNC
     10.37    1359.83 us      19.00 us 1810293.00 us         101304        READ
     28.56     902.70 us      29.00 us 1302788.00 us         420456      LOOKUP
     30.14   16201.16 us     156.00 us 1816457.00 us          24720      CREATE
 
    Duration: 8245643 seconds
   Data Read: 17274440006231 bytes
Data Written: 11059827627342 bytes
 
Interval 8 Stats:
   Block Size:                  1b+                   2b+                   4b+ 
 No. of Reads:                    0                     0                     0 
No. of Writes:                   11                     3                    16 
 
   Block Size:                  8b+                  16b+                  32b+ 
 No. of Reads:                    0                     0                     0 
No. of Writes:               174531                170339                   480 
 
   Block Size:                 64b+                 128b+                 256b+ 
 No. of Reads:                    0                     0                     2 
No. of Writes:                73389                 43453                  7791 
 
   Block Size:                512b+                1024b+                2048b+ 
 No. of Reads:                   24                     6                   134 
No. of Writes:                20833                 13945                191335 
 
   Block Size:               4096b+                8192b+               16384b+ 
 No. of Reads:                   60                   483                   508 
No. of Writes:              1399938                 10827                  5718 
 
   Block Size:              32768b+               65536b+              131072b+ 
 No. of Reads:                  187                 91224               2359724 
No. of Writes:                 4554                272285                280883 
 
   Block Size:             262144b+ 
 No. of Reads:                    0 
No. of Writes:                   10 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us          34970      FORGET
      0.00       0.00 us       0.00 us       0.00 us         651615     RELEASE
      0.00       0.00 us       0.00 us       0.00 us          46990  RELEASEDIR
      0.00   12344.50 us     222.00 us   24467.00 us              2     SYMLINK
      0.01     130.94 us      74.00 us     466.00 us            995     XATTROP
      0.01     125.63 us      28.00 us     999.00 us           1062    GETXATTR
      0.03      70.81 us      17.00 us   14007.00 us           3920       FSTAT
      0.03      86.66 us      39.00 us     234.00 us           3215    SETXATTR
      0.03      51.48 us      12.00 us   25596.00 us           6435     READDIR
      0.07      53.33 us      19.00 us    2287.00 us          14075        OPEN
      0.08      22.46 us       7.00 us     919.00 us          34107       FLUSH
      0.09     315.35 us      13.00 us  375360.00 us           2782        STAT
      0.11     335.01 us      95.00 us  618297.00 us           3207       RMDIR
      0.20      56.19 us      19.00 us    9100.00 us          36680     OPENDIR
      0.26      38.71 us       8.00 us     571.00 us          69138     ENTRYLK
      0.27      58.00 us      27.00 us   14441.00 us          47050     SETATTR
      0.28      35.56 us      10.00 us    2852.00 us          80074    FINODELK
      0.41      38.56 us      12.00 us    5965.00 us         106597     INODELK
      0.71     105.27 us      40.00 us   47018.00 us          67703       WRITE
      0.77    3551.20 us     819.00 us  302771.00 us           2191      STATFS
      1.49    1210.38 us     162.00 us 2372502.00 us          12474      UNLINK
      2.05     244.56 us      59.00 us 1014635.00 us          84516    FXATTROP
      2.76     904.05 us      27.00 us  303564.00 us          30887    READDIRP
      3.67    3555.15 us      40.00 us 1969773.00 us          10441   FTRUNCATE
      6.16   19414.95 us     659.00 us 1587347.00 us           3207       MKDIR
      9.25   13593.16 us     151.00 us 2630139.00 us           6877       FSYNC
     13.58    1426.05 us      36.00 us 1810293.00 us          96239        READ
     22.27   18037.26 us     156.00 us 1816457.00 us          12472      CREATE
     35.39    1344.44 us      29.00 us 1302788.00 us         265921      LOOKUP
 
    Duration: 130678 seconds
   Data Read: 315654875415 bytes
Data Written: 73336009406 bytes
 
Brick: ib-storage3:/export/brick_home/brick2
--------------------------------------------
Cumulative Stats:
   Block Size:                  1b+                   2b+                   4b+ 
 No. of Reads:                  274                    11                    31 
No. of Writes:                 2799                 44458               1920989 
 
   Block Size:                  8b+                  16b+                  32b+ 
 No. of Reads:                  338                   389                   538 
No. of Writes:            120149698             123441417               1284806 
 
   Block Size:                 64b+                 128b+                 256b+ 
 No. of Reads:                  597                  1162                  2157 
No. of Writes:              3385739               3966312                675768 
 
   Block Size:                512b+                1024b+                2048b+ 
 No. of Reads:                 5046                  8420                 13634 
No. of Writes:              3515158               2689726               2380039 
 
   Block Size:               4096b+                8192b+               16384b+ 
 No. of Reads:                41888                 63782                102251 
No. of Writes:            342913738               4318286              12575829 
 
   Block Size:              32768b+               65536b+              131072b+ 
 No. of Reads:              7970182                966549             105807027 
No. of Writes:             11367054               7674071              36049609 
 
   Block Size:             262144b+ 
 No. of Reads:                    0 
No. of Writes:                 1256 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us        2374161      FORGET
      0.00       0.00 us       0.00 us       0.00 us      285378948     RELEASE
      0.00       0.00 us       0.00 us       0.00 us         998265  RELEASEDIR
      0.00     116.00 us     116.00 us     116.00 us              1        LINK
      0.00    1426.00 us     532.00 us    2320.00 us              2      RENAME
      0.00    2123.29 us     184.00 us    8690.00 us              7     SYMLINK
      0.00      43.69 us      21.00 us     109.00 us            365    READLINK
      0.02      52.39 us      16.00 us     270.00 us           3657        STAT
      0.03      50.68 us      11.00 us   19034.00 us           6473     READDIR
      0.03      81.07 us      18.00 us   25598.00 us           4302       FSTAT
      0.05     144.31 us      98.00 us     818.00 us           3208       RMDIR
      0.05      85.72 us      36.00 us     228.00 us           6437    SETXATTR
      0.09     124.79 us      22.00 us     918.00 us           7665    GETXATTR
      0.10     129.62 us      72.00 us     406.00 us           7477     XATTROP
      0.10      22.89 us       8.00 us    1333.00 us          46116       FLUSH
      0.11      56.61 us      22.00 us     764.00 us          19791        OPEN
      0.19      51.17 us      21.00 us    9579.00 us          36752     OPENDIR
      0.41      41.90 us       9.00 us    1097.00 us          99982     ENTRYLK
      0.41      36.76 us      11.00 us    1136.00 us         114122    FINODELK
      0.50     412.58 us     113.00 us  587678.00 us          12393      UNLINK
      0.53     593.55 us      41.00 us  488559.00 us           8976   FTRUNCATE
      0.53      57.84 us      27.00 us   18244.00 us          93506     SETATTR
      1.05     114.82 us      38.00 us   20336.00 us          92620       WRITE
      1.22      55.48 us      12.00 us 1269670.00 us         222190     INODELK
      2.78     904.43 us      25.00 us  191013.00 us          31121    READDIRP
      3.31     273.00 us      60.00 us  771031.00 us         122843    FXATTROP
      3.33    9119.50 us      22.00 us 10582919.00 us           3697      STATFS
      3.58    5565.15 us     160.00 us 2523803.00 us           6518       FSYNC
      8.21   12973.44 us     644.00 us 1111351.00 us           6414       MKDIR
      9.84     961.03 us      24.00 us  372996.00 us         103820        READ
     27.55   11281.70 us     156.00 us 1231731.00 us          24756      CREATE
     35.98     834.65 us      29.00 us  841807.00 us         437074      LOOKUP
 
    Duration: 8245643 seconds
   Data Read: 14271820772976 bytes
Data Written: 8899080749496 bytes
 
Interval 8 Stats:
   Block Size:                  1b+                   4b+                   8b+ 
 No. of Reads:                    0                     0                     1 
No. of Writes:                    9                    17                 61796 
 
   Block Size:                 16b+                  32b+                  64b+ 
 No. of Reads:                    0                     0                     0 
No. of Writes:               197721                   497                 47678 
 
   Block Size:                128b+                 256b+                 512b+ 
 No. of Reads:                    2                    25                     1 
No. of Writes:                85080                  8377                 16024 
 
   Block Size:               1024b+                2048b+                4096b+ 
 No. of Reads:                    4                    11                    47 
No. of Writes:                13918                 84114                570032 
 
   Block Size:               8192b+               16384b+               32768b+ 
 No. of Reads:                  486                   327                   330 
No. of Writes:                 5621                  2445                  1931 
 
   Block Size:              65536b+              131072b+              262144b+ 
 No. of Reads:                45298                683840                     0 
No. of Writes:               175805                227232                    11 
 
 %-latency   Avg-latency   Min-Latency   Max-Latency   No. of calls         Fop
 ---------   -----------   -----------   -----------   ------------        ----
      0.00       0.00 us       0.00 us       0.00 us          35044      FORGET
      0.00       0.00 us       0.00 us       0.00 us         519794     RELEASE
      0.00       0.00 us       0.00 us       0.00 us          46990  RELEASEDIR
      0.00    3030.00 us     184.00 us    8690.00 us              3     SYMLINK
      0.00      43.69 us      21.00 us     109.00 us            365    READLINK
      0.02     127.22 us      72.00 us     406.00 us           1010     XATTROP
      0.02     123.31 us      22.00 us     918.00 us           1077    GETXATTR
      0.02      52.98 us      17.00 us     270.00 us           3039        STAT
      0.03      87.69 us      18.00 us   25598.00 us           2962       FSTAT
      0.04      85.54 us      40.00 us     228.00 us           3215    SETXATTR
      0.04      48.65 us      11.00 us   19034.00 us           6435     READDIR
      0.06     144.29 us      98.00 us     818.00 us           3207       RMDIR
      0.07      54.20 us      22.00 us     764.00 us          10658        OPEN
      0.08      22.71 us       8.00 us    1226.00 us          26206       FLUSH
      0.24      51.14 us      21.00 us    9579.00 us          36680     OPENDIR
      0.30      36.62 us      11.00 us     634.00 us          63664    FINODELK
      0.35      39.08 us       9.00 us    1097.00 us          68774     ENTRYLK
      0.35      57.78 us      27.00 us   18244.00 us          46769     SETATTR
      0.45     603.52 us      41.00 us  488559.00 us           5735   FTRUNCATE
      0.54      39.61 us      12.00 us   46305.00 us         106064     INODELK
      0.57     102.49 us      39.00 us   20336.00 us          43126       WRITE
      0.66     412.69 us     161.00 us  587678.00 us          12383      UNLINK
      2.21    4278.90 us     173.00 us 1120606.00 us           3995       FSYNC
      2.22     252.31 us      60.00 us  771031.00 us          67986    FXATTROP
      2.60    9176.09 us     769.00 us 10582919.00 us           2191      STATFS
      3.60     895.74 us      25.00 us  191013.00 us          31066    READDIRP
      6.37   15343.35 us     648.00 us  661938.00 us           3207       MKDIR
     12.69    1109.54 us      30.00 us  372996.00 us          88343        READ
     21.82   13615.09 us     159.00 us 1231731.00 us          12380      CREATE
     44.62    1238.03 us      29.00 us  841807.00 us         278388      LOOKUP
 
    Duration: 130678 seconds
   Data Read: 92861175346 bytes
Data Written: 51705278558 bytes
 
 
Volume Name: vol_home
Type: Distributed-Replicate
Volume ID: f6ebcfc1-b735-4a0e-b1d7-47ed2d2e7af6
Status: Started
Number of Bricks: 4 x 2 = 8
Transport-type: tcp,rdma
Bricks:
Brick1: ib-storage1:/export/brick_home/brick1
Brick2: ib-storage2:/export/brick_home/brick1
Brick3: ib-storage3:/export/brick_home/brick1
Brick4: ib-storage4:/export/brick_home/brick1
Brick5: ib-storage1:/export/brick_home/brick2
Brick6: ib-storage2:/export/brick_home/brick2
Brick7: ib-storage3:/export/brick_home/brick2
Brick8: ib-storage4:/export/brick_home/brick2
Options Reconfigured:
performance.cache-max-file-size: 64MB
performance.read-ahead: on
performance.write-behind: on
features.quota-deem-statfs: on
performance.stat-prefetch: on
performance.flush-behind: on
features.default-soft-limit: 90%
features.quota: on
diagnostics.brick-log-level: CRITICAL
auth.allow: localhost,127.0.0.1,10.*
nfs.disable: on
performance.cache-size: 1GB
performance.write-behind-window-size: 4MB
performance.quick-read: on
performance.io-cache: on
performance.io-thread-count: 64
nfs.enable-ino32: off
Status of volume: vol_home
Gluster process						Port	Online	Pid
------------------------------------------------------------------------------
Brick ib-storage1:/export/brick_home/brick1		49170	Y	9324
Brick ib-storage2:/export/brick_home/brick1		49154	Y	4814
Brick ib-storage3:/export/brick_home/brick1		49152	Y	4602
Brick ib-storage4:/export/brick_home/brick1		49152	Y	4574
Brick ib-storage1:/export/brick_home/brick2		49172	Y	9330
Brick ib-storage2:/export/brick_home/brick2		49156	Y	4815
Brick ib-storage3:/export/brick_home/brick2		49154	Y	4614
Brick ib-storage4:/export/brick_home/brick2		49154	Y	4586
Self-heal Daemon on localhost				N/A	Y	9430
Quota Daemon on localhost				N/A	Y	9437
Self-heal Daemon on ib-storage2				N/A	Y	4890
Quota Daemon on ib-storage2				N/A	Y	4910
Self-heal Daemon on ib-storage3				N/A	Y	4656
Quota Daemon on ib-storage3				N/A	Y	4639
Self-heal Daemon on ib-storage4				N/A	Y	4633
Quota Daemon on ib-storage4				N/A	Y	4616
 
Task Status of Volume vol_home
------------------------------------------------------------------------------
There are no active volume tasks
 
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