Question about Performance with librados

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Hi Guys

I am using ceph in version 0.72 on RHEL 6.5 with four nodes (three of them are mons) with six osds each with 300GB. Every ceph server has four 1GB-Interfaces configured as follows: 1 GB Interface for maintenance (installing, ssh access and so on), 1 GB Interface for client access (filer network) and 1 GB interface for Ceph-Intraconnect.
Hardware is HP DL 380 G7.

Somehow rados bench tells me I do have a bandwidth performance at about 110 MB/sec (on hardware-client) or 220 MB/sec (from a virtual server connected with 10Gbit on its host). On the same virtual host I can Upload via S3 Gateway (see on the bottom) with 60MB/sec. I'd prefer librados with a java-Client but sadly its performance is low:
* "rados -p pool put infile outfile" on VM: 24MB/sec
* "rados -p pool put infile outfile" on hardware: 28MB/sec
* librados java client on hardware: 34MB/sec
* s3gateway on VM: 60MB/sec
* rados bench with 110MB/sec

So could anybody tell me how I could increase speed for librados?

Thanks in advance

Erik


Below I'll separate areas with hashes for better view


#####################################################
osd tree looks like this
root at mir-daten-dev:~# ceph osd tree
# id    weight  type name       up/down reweight
-1      6.48    root default
-6      3.24            room room0
-2      1.62                    host ceph-mir-1-backup
0       0.27                            osd.0   up      1
1       0.27                            osd.1   up      1
2       0.27                            osd.2   up      1
3       0.27                            osd.3   up      1
4       0.27                            osd.4   up      1
5       0.27                            osd.5   up      1
-4      1.62                    host ceph-mir-3-backup
12      0.27                            osd.12  up      1
13      0.27                            osd.13  up      1
14      0.27                            osd.14  up      1
15      0.27                            osd.15  up      1
16      0.27                            osd.16  up      1
17      0.27                            osd.17  up      1
-7      3.24            room room1
-3      1.62                    host ceph-mir-2-backup
6       0.27                            osd.6   up      1
7       0.27                            osd.7   up      1
8       0.27                            osd.8   up      1
9       0.27                            osd.9   up      1
10      0.27                            osd.10  up      1
11      0.27                            osd.11  up      1
-5      1.62                    host ceph-mir-4-backup
18      0.27                            osd.18  up      1
19      0.27                            osd.19  up      1
20      0.27                            osd.20  up      1
21      0.27                            osd.21  up      1
22      0.27                            osd.22  up      1
23      0.27                            osd.23  up      1


#####################################################
ceph.conf looks like this
root at mir-daten-dev:~# cat /etc/ceph/ceph.conf
[global]
osd_pool_default_pgp_num = 512
auth_service_required = cephx
filestore_xattr_use_omap = true
auth_client_required = cephx
osd_pool_default_pg_num = 512
auth_cluster_required = cephx
mon_host = 10.65.161.3,10.65.161.4,10.65.161.7
public_network = 10.65.161.0/24
mon_initial_members = ceph-mir-1-backup, ceph-mir-2-backup, ceph-mir-3-backup
cluster_network = 10.65.158.0/24
fsid = d3e1fe2e-ada7-44aa-b54d-4ca072e54c53


#####################################################
Here are my testing-results with rados bench

root at mir-daten-dev:~# rados bench -p rbd 300 write
 Maintaining 16 concurrent writes of 4194304 bytes for up to 300 seconds or 0 objects
 Object prefix: benchmark_data_mir-daten-dev.mm.br.de_11651
   sec Cur ops   started  finished  avg MB/s  cur MB/s  last lat   avg lat
     0       0         0         0         0         0         -         0
     1      16        37        21   83.9743        84  0.995239  0.601003
     2      16        66        50   99.9729       116  0.996489  0.547691
     3      16        92        76   101.307       104  0.434289   0.56835
     4      16       120       104   103.974       112  0.469363   0.56067
     5      16       146       130   103.975       104  0.359053  0.568956
     6      16       177       161   107.307       124   0.47566  0.567078
     7      16       206       190   108.544       116  0.540694  0.570833
     8      16       233       217   108.473       108   0.54371  0.565849
     9      16       261       245   108.863       112  0.715507   0.56315
    10      16       286       270   107.974       100  0.413028  0.564032
    11      16       316       300   109.064       120  0.314785  0.566659
    12      16       344       328   109.307       112  0.885827  0.564408
    13      16       374       358   110.127       120  0.543841  0.565009
    14      16       401       385   109.973       108  0.242369  0.563333
    15      16       428       412   109.838       108  0.367646  0.570209
    16      16       457       441   110.222       116  0.378297  0.568373
    17      16       485       469   110.325       112   0.40088  0.572784
    18      16       511       495   109.972       104  0.394922  0.566104
    19      16       541       525   110.498       120   1.26352  0.568944
2014-05-07 15:17:34.551363min lat: 0.210907 max lat: 1.85656 avg lat: 0.569114
   sec Cur ops   started  finished  avg MB/s  cur MB/s  last lat   avg lat
    20      16       569       553   110.572       112  0.696153  0.569114
    21      16       597       581   110.638       112  0.364201  0.565985
    22      16       625       609   110.699       112  0.478669  0.569997
    23      16       653       637   110.754       112   1.03317  0.570433
    24      16       684       668   111.305       124  0.808845  0.569482
    25      16       708       692   110.691        96  0.335705  0.569535
    26      16       736       720   110.741       112  0.331024  0.567988
    27      16       766       750   111.083       120  0.255695  0.568244
    28      16       793       777   110.972       108  0.298041  0.566006
    29      16       821       805   111.006       112  0.510306  0.570566
    30      16       849       833   111.038       112  0.505633  0.569873
    31      16       880       864   111.455       124  0.586974  0.569956
    32      16       906       890   111.222       104  0.407643  0.570373
    33      16       933       917   111.123       108  0.893645  0.570125
    34      16       959       943   110.913       104  0.400113  0.569121
    35      15       989       974   111.286       124  0.355817  0.568408
    36      16      1015       999   110.972       100   1.11119  0.569377
    37      16      1049      1033   111.648       136  0.421384  0.570536
    38      16      1073      1057   111.236        96  0.293437  0.569655
    39      16      1104      1088   111.562       124  0.919575   0.56928
2014-05-07 15:17:54.556129min lat: 0.210907 max lat: 1.8669 avg lat: 0.570308
   sec Cur ops   started  finished  avg MB/s  cur MB/s  last lat   avg lat
    40      16      1131      1115   111.472       108  0.511175  0.570308
    41      16      1160      1144   111.582       116  0.261233  0.569832
    42      16      1186      1170   111.401       104  0.689742  0.570022
    43      16      1213      1197   111.321       108  0.483744  0.569546
    44      16      1243      1227   111.518       120  0.268109  0.569638
    45      16      1270      1254   111.439       108  0.357269  0.568316
    46      16      1299      1283   111.538       116  0.412614  0.569021
    47      16      1326      1310   111.462       108  0.974249  0.570068
    48      16      1355      1339   111.556       116  0.288035  0.568963
    49      16      1383      1367   111.564       112  0.767493  0.570603
    50      16      1412      1396   111.652       116  0.301228  0.570284
    51      16      1439      1423    111.58       108  0.852262  0.571029
    52      16      1468      1452   111.665       116  0.714697  0.569751
    53      16      1494      1478    111.52       104   0.46731   0.57031
    54      16      1523      1507   111.602       116  0.919255  0.570477
    55      16      1551      1535   111.609       112   0.37924  0.569673
    56      16      1580      1564   111.687       116  0.256389  0.569739
    57      16      1605      1589   111.482       100  0.414508  0.570286
    58      16      1636      1620   111.697       124  0.430781  0.570266
    59      16      1661      1645   111.498       100  0.329036  0.570594
2014-05-07 15:18:14.560864min lat: 0.208912 max lat: 1.8669 avg lat: 0.57041
   sec Cur ops   started  finished  avg MB/s  cur MB/s  last lat   avg lat
    60      16      1692      1676   111.706       124  0.435502   0.57041
    61      16      1720      1704    111.71       112  0.311227  0.569743
    62      16      1749      1733   111.779       116  0.248325  0.569927
    63      16      1774      1758   111.592       100  0.383215   0.57023
    64      16      1803      1787    111.66       116  0.850225  0.570017
    65      16      1831      1815   111.665       112  0.457226  0.570214
    66      16      1863      1847   111.912       128  0.823255  0.569323
    67      16      1888      1872   111.734       100  0.300361  0.570023
    68      16      1913      1897   111.561       100  0.579203  0.569528
    69      16      1941      1925   111.567       112  0.830359  0.570383
    70      16      1971      1955   111.687       120  0.368781  0.569875
    71      16      1999      1983   111.691       112   1.07621  0.569866
    72      16      2030      2014   111.862       124  0.541884  0.570009
    73      16      2057      2041   111.808       108  0.497861  0.570163
    74      16      2086      2070   111.865       116  0.326893  0.569289
    75      16      2113      2097   111.813       108  0.343165  0.569029
    76      16      2141      2125   111.815       112  0.557292  0.569121
    77      16      2168      2152   111.765       108  0.819133  0.569281
    78      16      2193      2177   111.614       100  0.535671  0.569944
    79      16      2225      2209   111.821       128  0.831723  0.570187
2014-05-07 15:18:34.565588min lat: 0.178012 max lat: 2.16826 avg lat: 0.570225
   sec Cur ops   started  finished  avg MB/s  cur MB/s  last lat   avg lat
    80      16      2252      2236   111.773       108   0.37631  0.570225
    81      16      2281      2265   111.825       116  0.546754  0.569991
    82      16      2308      2292   111.778       108  0.709762  0.569898
    83      16      2338      2322   111.876       120  0.369926  0.570534
    84      16      2365      2349    111.83       108  0.673388  0.570518
    85      16      2394      2378   111.879       116  0.350684  0.569976
    86      16      2420      2404   111.787       104  0.322865  0.569561
    87      16      2449      2433   111.835       116  0.688097  0.570266
    88      16      2478      2462   111.882       116  0.492835  0.569798
    89      16      2506      2490   111.883       112   0.34937  0.570089
    90      16      2532      2516   111.795       104  0.412616  0.570305
    91      16      2559      2543   111.754       108  0.399555  0.569667
    92      16      2588      2572   111.799       116  0.272254  0.570271
    93      16      2617      2601   111.844       116  0.384923  0.569714
    94      16      2645      2629   111.846       112  0.432468   0.56963
    95      16      2675      2659   111.931       120  0.737037  0.570326
    96      16      2701      2685   111.848       104  0.439707  0.569896
    97      16      2731      2715   111.932       120  0.702376  0.569979
    98      16      2757      2741   111.851       104   1.01248  0.570174
    99      16      2784      2768   111.812       108   0.63679  0.569945
2014-05-07 15:18:54.570009min lat: 0.174255 max lat: 2.16826 avg lat: 0.569939
   sec Cur ops   started  finished  avg MB/s  cur MB/s  last lat   avg lat
   100      16      2814      2798   111.893       120  0.776998  0.569939
   101      16      2844      2828   111.973       120  0.344383  0.569556
   102      16      2869      2853   111.856       100  0.425127  0.570074
   103      16      2897      2881   111.857       112  0.736055   0.56995
   104      16      2926      2910   111.896       116  0.364164  0.569939
   105      16      2955      2939   111.935       116  0.450451  0.570208
   106      16      2983      2967   111.935       112   0.33402  0.570272
   107      16      3011      2995   111.936       112  0.338428   0.56986
   108      16      3039      3023   111.936       112  0.709239  0.570008
   109      16      3066      3050     111.9       108  0.558163   0.57014
   110      16      3093      3077   111.864       108  0.600908  0.570271
   111      16      3121      3105   111.865       112  0.669814  0.570037
   112      16      3151      3135   111.937       120  0.348272  0.569947
   113      16      3178      3162   111.902       108  0.665669  0.569337
   114      16      3209      3193   112.008       124   1.57979   0.56983
   115      16      3234      3218   111.903       100   1.35558   0.57012
   116      16      3263      3247   111.938       116  0.386747  0.570292
   117      16      3292      3276   111.973       116  0.299954  0.570136
   118      16      3322      3306   112.041       120  0.509079  0.569812
   119      16      3348      3332   111.973       104  0.358387  0.569476
2014-05-07 15:19:14.575343min lat: 0.174255 max lat: 2.16826 avg lat: 0.569941
   sec Cur ops   started  finished  avg MB/s  cur MB/s  last lat   avg lat
   120      16      3375      3359    111.94       108  0.445028  0.569941
   121      16      3404      3388   111.973       116  0.454418  0.570076
   122      16      3430      3414   111.907       104  0.401206  0.570018
   123      15      3461      3446   112.038       128  0.573862  0.570225
   124      16      3488      3472   111.973       104  0.511579  0.570008
   125      16      3516      3500   111.973       112  0.660253  0.569958
   126      16      3543      3527   111.941       108  0.519482  0.569806
   127      16      3570      3554    111.91       108  0.432645  0.570315
   128      16      3597      3581   111.879       108  0.569502  0.570453
   129      16      3626      3610   111.911       116  0.855213  0.570156
   130      16      3655      3639   111.942       116  0.525246  0.570005
   131      16      3687      3671   112.064       128  0.664841   0.56997
   132      16      3711      3695   111.942        96  0.415433  0.570042
   133      16      3734      3718   111.792        92  0.490554  0.570393
   134      16      3768      3752   111.972       136   0.27225  0.570162
   135      16      3797      3781   112.002       116  0.379587  0.570286
   136      16      3824      3808   111.972       108  0.502209  0.570024
   137      16      3852      3836   111.972       112  0.798701   0.57013
   138      16      3881      3865   112.001       116  0.421902  0.570169
   139      16      3907      3891   111.944       104  0.503618  0.570294
2014-05-07 15:19:34.580882min lat: 0.174255 max lat: 2.16826 avg lat: 0.570275
   sec Cur ops   started  finished  avg MB/s  cur MB/s  last lat   avg lat
   140      16      3935      3919   111.944       112  0.693392  0.570275
   141      16      3965      3949   112.001       120  0.966384  0.569917
   142      16      3990      3974   111.916       100  0.513661  0.570226
   143      16      4021      4005       112       124  0.570069  0.570123
   144      16      4050      4034   112.028       116  0.899172  0.570064
   145      16      4075      4059   111.945       100  0.328666   0.57015
   146      16      4106      4090   112.027       124  0.363944  0.570249
   147      16      4135      4119   112.054       116  0.883335  0.570093
   148      16      4162      4146   112.026       108  0.410028  0.570276
   149      16      4191      4175   112.053       116  0.327328  0.569752
   150      16      4218      4202   112.025       108  0.390957  0.569733
   151      16      4245      4229   111.999       108  0.798766  0.570268
   152      16      4270      4254    111.92       100  0.588784  0.570268
   153      16      4302      4286   112.024       128  0.710391  0.570196
   154      16      4330      4314   112.024       112  0.417519  0.569602
   155      16      4357      4341   111.998       108  0.349489  0.569915
   156      16      4387      4371   112.049       120  0.506385  0.570289
   157      16      4411      4395   111.947        96  0.504476  0.570322
   158      16      4440      4424   111.972       116  0.473411  0.570088
   159      16      4468      4452   111.972       112  0.432837  0.570101
2014-05-07 15:19:54.586163min lat: 0.174255 max lat: 2.16826 avg lat: 0.570156
   sec Cur ops   started  finished  avg MB/s  cur MB/s  last lat   avg lat
   160      16      4499      4483   112.047       124  0.352313  0.570156
   161      16      4525      4509   111.997       104  0.535317  0.570074
   162      16      4555      4539   112.046       120  0.404709  0.569884
   163      16      4582      4566   112.021       108  0.348859  0.570201
   164      16      4611      4595   112.045       116  0.497089  0.570198
   165      16      4637      4621   111.996       104   0.40071  0.570064
   166      16      4667      4651   112.044       120  0.655012  0.570288
   167      16      4693      4677   111.996       104  0.588973  0.570166
   168      16      4720      4704   111.972       108  0.387201  0.570245
   169      16      4749      4733   111.996       116  0.398496  0.570141
   170      16      4778      4762   112.019       116  0.343578  0.570124
   171      16      4807      4791   112.042       116  0.389564  0.570082
   172      16      4836      4820   112.065       116  0.466953  0.570179
   173      16      4861      4845   111.995       100  0.613515  0.570412
   174      16      4890      4874   112.018       116  0.549259  0.570359
   175      16      4916      4900   111.972       104  0.643929  0.570289
   176      16      4948      4932   112.063       128  0.414175  0.570148
   177      16      4973      4957   111.995       100  0.441505  0.570318
   178      16      5003      4987    112.04       120   1.25549  0.569983
   179      16      5030      5014   112.017       108  0.336975  0.569644
2014-05-07 15:20:14.590982min lat: 0.174255 max lat: 2.16826 avg lat: 0.570173
   sec Cur ops   started  finished  avg MB/s  cur MB/s  last lat   avg lat
   180      16      5054      5038   111.928        96   1.51731  0.570173
   181      16      5088      5072   112.061       136   0.42772  0.570161
   182      16      5116      5100    112.06       112  0.294168  0.570291
   183      16      5144      5128    112.06       112  0.537038  0.570064
   184      16      5171      5155   112.037       108  0.752229  0.570163
   185      16      5200      5184   112.059       116  0.318506  0.569913
   186      16      5226      5210   112.015       104   1.47843  0.569888
   187      16      5254      5238   112.015       112  0.752977  0.569937
   188      16      5283      5267   112.036       116  0.404206  0.570304
   189      16      5311      5295   112.036       112  0.418082  0.570128
   190      16      5341      5325   112.078       120  0.883179  0.570244
   191      16      5366      5350   112.014       100  0.350256  0.569957
   192      16      5394      5378   112.014       112  0.875397  0.569928
   193      16      5423      5407   112.035       116  0.491794  0.570264
   194      16      5452      5436   112.055       116  0.506443  0.570207
   195      16      5481      5465   112.075       116  0.568327  0.570232
   196      16      5509      5493   112.074       112  0.302135  0.570117
   197      16      5537      5521   112.074       112  0.616855  0.570028
   198      16      5563      5547   112.033       104  0.295098  0.569937
   199      16      5591      5575   112.033       112   0.39924  0.570102
2014-05-07 15:20:34.595454min lat: 0.174255 max lat: 2.2057 avg lat: 0.570139
   sec Cur ops   started  finished  avg MB/s  cur MB/s  last lat   avg lat
   200      16      5622      5606   112.092       124  0.674583  0.570139
   201      16      5647      5631   112.032       100  0.547469  0.570146
   202      16      5675      5659   112.032       112  0.527545  0.570154
   203      16      5703      5687   112.032       112  0.962126  0.570288
   204      16      5731      5715   112.031       112  0.472406  0.570214
   205      16      5760      5744    112.05       116  0.422501  0.570429
   206      16      5787      5771   112.031       108  0.618225  0.570166
   207      16      5815      5799    112.03       112  0.494916  0.570187
   208      16      5845      5829   112.069       120  0.467093  0.570061
   209      16      5873      5857   112.068       112  0.659965  0.570255
   210      16      5899      5883    112.03       104  0.380473  0.570237
   211      16      5928      5912   112.048       116  0.667309  0.570291
   212      16      5956      5940   112.048       112  0.408311  0.570264
   213      16      5985      5969   112.066       116  0.423455  0.570138
   214      16      6015      5999   112.103       120   1.07327  0.570201
   215      16      6038      6022    112.01        92  0.351275  0.569812
   216      16      6067      6051   112.028       116  0.552788  0.570362
   217      16      6098      6082   112.083       124  0.495721  0.570101
   218      16      6128      6112   112.119       120  0.296382  0.570358
   219      16      6153      6137   112.064       100  0.637389  0.570387
2014-05-07 15:20:54.600149min lat: 0.174255 max lat: 2.2057 avg lat: 0.570293
   sec Cur ops   started  finished  avg MB/s  cur MB/s  last lat   avg lat
   220      16      6181      6165   112.063       112  0.528891  0.570293
   221      16      6209      6193   112.063       112  0.427072  0.569998
   222      16      6237      6221   112.063       112  0.366226  0.570107
   223      16      6266      6250    112.08       116  0.655426  0.570216
   224      16      6296      6280   112.115       120  0.288003  0.570228
   225      16      6321      6305   112.061       100  0.385101  0.570111
   226      16      6350      6334   112.079       116  0.317248  0.569956
   227      16      6376      6360   112.043       104  0.602346  0.570181
   228      16      6405      6389    112.06       116  0.555873  0.570293
   229      16      6434      6418   112.077       116   0.42114  0.570214
   230      16      6464      6448   112.112       120    1.0661  0.570312
   231      16      6488      6472   112.042        96  0.613699  0.570142
   232      16      6518      6502   112.076       120  0.390894  0.569782
   233      16      6548      6532    112.11       120   0.93171   0.57002
   234      16      6576      6560   112.109       112  0.401531  0.570329
   235      16      6603      6587   112.092       108  0.212764  0.570149
   236      16      6630      6614   112.074       108  0.548616  0.570081
   237      16      6658      6642   112.074       112  0.952604  0.570287
   238      16      6686      6670   112.073       112  0.517625  0.570102
   239      16      6715      6699    112.09       116  0.510559  0.570204
2014-05-07 15:21:14.605333min lat: 0.174255 max lat: 2.2057 avg lat: 0.570303
   sec Cur ops   started  finished  avg MB/s  cur MB/s  last lat   avg lat
   240      16      6741      6725   112.056       104  0.696723  0.570303
   241      16      6772      6756   112.105       124  0.458639  0.570237
   242      16      6799      6783   112.088       108  0.519677  0.570185
   243      16      6828      6812   112.104       116  0.487797  0.570044
   244      16      6855      6839   112.087       108   1.01748    0.5702
   245      16      6883      6867   112.087       112   1.16187  0.570241
   246      16      6908      6892   112.037       100  0.251722  0.570216
   247      16      6940      6924   112.102       128  0.860928  0.570233
   248      16      6969      6953   112.117       116  0.727263  0.570257
   249      16      6993      6977   112.053        96  0.425839  0.569995
   250      16      7024      7008     112.1       124  0.306001   0.57019
   251      16      7051      7035   112.084       108  0.482107  0.570278
   252      16      7078      7062   112.067       108  0.873547  0.570228
   253      16      7107      7091   112.083       116    0.9643   0.57023
   254      16      7137      7121   112.114       120   0.69332  0.570155
   255      16      7165      7149   112.113       112  0.272354  0.570191
   256      16      7189      7173    112.05        96  0.607597   0.57029
   257      16      7219      7203   112.081       120  0.585617  0.570187
   258      16      7247      7231   112.081       112  0.493043  0.570103
   259      16      7276      7260   112.096       116  0.917735  0.570052
2014-05-07 15:21:34.611151min lat: 0.174255 max lat: 2.2057 avg lat: 0.570264
   sec Cur ops   started  finished  avg MB/s  cur MB/s  last lat   avg lat
   260      16      7304      7288   112.095       112  0.612558  0.570264
   261      16      7330      7314   112.064       104  0.350458  0.570288
   262      16      7361      7345   112.109       124   0.49463  0.570312
   263      16      7388      7372   112.094       108  0.396892  0.570132
   264      16      7416      7400   112.093       112  0.384927  0.570231
   265      16      7444      7428   112.093       112  0.907725  0.570205
   266      16      7474      7458   112.122       120  0.652105  0.570234
   267      16      7499      7483   112.077       100  0.778864  0.570244
   268      16      7528      7512   112.091       116  0.345874   0.57017
   269      16      7557      7541   112.106       116  0.556877  0.570219
   270      16      7585      7569   112.105       112  0.307575  0.570093
   271      16      7610      7594   112.061       100  0.579548  0.570186
   272      16      7642      7626   112.119       128  0.458491   0.57018
   273      16      7670      7654   112.118       112  0.567194  0.570201
   274      16      7698      7682   112.118       112  0.344892  0.570066
   275      16      7726      7710   112.117       112  0.550079  0.570216
   276      16      7752      7736   112.088       104  0.446476  0.570156
   277      16      7784      7768   112.145       128  0.310376  0.570067
   278      16      7809      7793   112.101       100  0.478405  0.570063
   279      16      7840      7824   112.144       124   0.69451   0.57029
2014-05-07 15:21:54.616358min lat: 0.174255 max lat: 2.2057 avg lat: 0.570128
   sec Cur ops   started  finished  avg MB/s  cur MB/s  last lat   avg lat
   280      16      7865      7849     112.1       100  0.638483  0.570128
   281      16      7892      7876   112.086       108  0.551777  0.570344
   282      16      7919      7903   112.071       108  0.217284  0.570022
   283      16      7949      7933   112.099       120  0.547334  0.570056
   284      16      7977      7961   112.099       112  0.334655  0.570195
   285      16      8002      7986   112.056       100  0.527645  0.570253
   286      16      8034      8018   112.112       128  0.494884  0.570122
   287      16      8064      8048   112.139       120  0.703692  0.570229
   288      16      8093      8077   112.152       116   1.26224  0.570019
   289      16      8118      8102    112.11       100  0.354712  0.570032
   290      16      8146      8130    112.11       112   0.38737  0.570173
   291      16      8171      8155   112.068       100  0.433604  0.570262
   292      16      8202      8186   112.109       124  0.477104  0.570029
   293      16      8229      8213   112.095       108  0.370964  0.570162
   294      16      8259      8243   112.121       120  0.542573  0.570031
   295      16      8284      8268    112.08       100   1.72887  0.570075
   296      16      8313      8297   112.093       116  0.479744  0.570247
   297      16      8339      8323   112.066       104  0.665292  0.570267
   298      16      8372      8356   112.133       132  0.466169  0.570263
   299      16      8398      8382   112.106       104  0.339438  0.570362
2014-05-07 15:22:14.621574min lat: 0.174255 max lat: 2.76322 avg lat: 0.570285
   sec Cur ops   started  finished  avg MB/s  cur MB/s  last lat   avg lat
   300      16      8426      8410   112.105       112  0.432868  0.570285
 Total time run:         300.511227
Total writes made:      8426
Write size:             4194304
Bandwidth (MB/sec):     112.156

Stddev Bandwidth:       10.5095
Max bandwidth (MB/sec): 136
Min bandwidth (MB/sec): 0
Average Latency:        0.570522
Stddev Latency:         0.261288
Max latency:            2.76322
Min latency:            0.174255




[devel at transcoder-devel-2-backup julian]$ rados bench -p rbd 300 write
 Maintaining 16 concurrent writes of 4194304 bytes for up to 300 seconds or 0 objects
 Object prefix: benchmark_data_transcoder-devel-2-backup.mm._24669
   sec Cur ops   started  finished  avg MB/s  cur MB/s  last lat   avg lat
     0       0         0         0         0         0         -         0
     1      16        57        41   163.951       164  0.196733  0.304261
     2      16       109        93   185.953       208  0.673813  0.300496
     3      16       160       144   191.957       204  0.153186  0.310876
     4      16       212       196   195.959       208  0.185877  0.307243
     5      16       272       256   204.759       240  0.185487  0.304008
     6      16       328       312   207.959       224  0.331776  0.300013
     7      16       391       375   214.244       252   0.18373  0.294665
     8      16       441       425   212.458       200  0.263788  0.294404
     9      16       494       478   212.403       212  0.313927  0.294699
    10      16       548       532   212.759       216  0.420021  0.295057
    11      16       603       587   213.414       220  0.206472  0.293776
    12      16       660       644   214.626       228  0.166892  0.294026
    13      16       719       703   216.267       236  0.274922   0.29229
    14      16       772       756    215.96       212  0.131731  0.292452
    15      16       828       812   216.494       224  0.368353  0.292708
    16      16       880       864    215.96       208  0.258035  0.292958
    17      16       942       926   217.843       248  0.261063  0.291515
    18      16      1001       985    218.85       236  0.313773  0.289734
    19      16      1055      1039   218.698       216  0.370068  0.289579
2014-05-07 15:36:05.930782min lat: 0.118212 max lat: 0.982659 avg lat: 0.288833
   sec Cur ops   started  finished  avg MB/s  cur MB/s  last lat   avg lat
    20      16      1111      1095   218.961       224  0.382812  0.288833
    21      16      1165      1149   218.818       216  0.155925  0.290081
    22      16      1220      1204    218.87       220  0.287617  0.290663
    23      16      1274      1258   218.744       216  0.188214  0.289873
    24      16      1330      1314   218.962       224  0.222969  0.290436
    25      16      1385      1369   219.002       220  0.321177  0.289558
    26      16      1440      1424   219.039       220  0.260352  0.290391
    27      16      1495      1479   219.074       220  0.301911  0.290416
    28      16      1546      1530   218.534       204  0.453075  0.290408
    29      16      1603      1587    218.86       228  0.263811  0.291121
    30      16      1665      1649    219.83       248  0.157802  0.290306
    31      16      1720      1704   219.834       220  0.197737  0.289517
    32      16      1776      1760   219.963       224  0.350793  0.289711
    33      16      1838      1822   220.812       248  0.213898  0.288446
    34      16      1885      1869   219.845       188   0.29558  0.288869
    35      16      1942      1926   220.077       228  0.180696  0.289057
    36      16      1997      1981   220.074       220  0.147671  0.289322
    37      16      2058      2042   220.719       244  0.485571  0.289081
    38      16      2111      2095   220.489       212  0.171761  0.288655
    39      16      2170      2154   220.886       236  0.483077   0.28843
2014-05-07 15:36:25.933888min lat: 0.118212 max lat: 1.31226 avg lat: 0.287819
   sec Cur ops   started  finished  avg MB/s  cur MB/s  last lat   avg lat
    40      16      2231      2215   221.463       244  0.139965  0.287819
    41      16      2287      2271   221.524       224  0.748409  0.287424
    42      16      2342      2326   221.486       220  0.128901  0.287633
    43      16      2396      2380   221.358       216  0.162042  0.287813
    44      16      2454      2438   221.599       232  0.228326  0.288024
    45      16      2509      2493   221.563       220   0.20862   0.28763
    46      16      2561      2545   221.267       208  0.162174  0.287787
    47      16      2623      2607   221.835       248  0.220641  0.287375
    48      16      2681      2665   222.046       232  0.333684  0.287381
    49      16      2740      2724    222.33       236  0.267276  0.287094
    50      16      2794      2778   222.203       216  0.245417   0.28705
    51      16      2853      2837   222.473       236  0.201729  0.286772
    52      16      2909      2893   222.501       224  0.353249  0.286742
    53      16      2965      2949   222.528       224  0.202386  0.286661
    54      16      3019      3003   222.406       216  0.132111  0.286654
    55      16      3079      3063   222.726       240  0.540595   0.28653
    56      16      3129      3113   222.319       200   0.16454  0.286663
    57      16      3187      3171   222.488       232  0.307091  0.286818
    58      16      3244      3228   222.582       228  0.302001   0.28697
    59      16      3301      3285   222.672       228  0.231865  0.286736
2014-05-07 15:36:45.937815min lat: 0.11603 max lat: 1.31226 avg lat: 0.286587
   sec Cur ops   started  finished  avg MB/s  cur MB/s  last lat   avg lat
    60      16      3354      3338   222.494       212   0.17932  0.286587
    61      15      3410      3395   222.583       228  0.377044   0.28645
    62      16      3466      3450   222.541       220  0.503329  0.286602
    63      16      3521      3505   222.499       220  0.239012  0.286859
    64      16      3579      3563   222.647       232  0.273032  0.286604
    65      16      3630      3614   222.359       204  0.295754  0.286864
    66      16      3684      3668   222.262       216  0.267726  0.286993
    67      15      3738      3723   222.228       220  0.240881  0.287273
    68      16      3800      3784   222.547       244   0.17743  0.286966
    69      15      3850      3835   222.278       204  0.300037  0.287251
    70      16      3902      3886   222.016       204  0.263521  0.287257
    71      16      3962      3946   222.268       240  0.165698  0.287258
    72      16      4017      4001   222.236       220  0.240939  0.287216
    73      16      4069      4053    222.04       208  0.285829  0.287303
    74      16      4128      4112   222.228       236  0.196076  0.287468
    75      16      4179      4163   221.985       204  0.307563  0.287798
    76      16      4234      4218   221.958       220   0.16673  0.287598
    77      16      4287      4271   221.828       212  0.442863  0.287649
    78      16      4343      4327   221.855       224  0.160556    0.2879
    79      16      4397      4381    221.78       216  0.302359  0.287955
2014-05-07 15:37:05.942570min lat: 0.101119 max lat: 1.31226 avg lat: 0.287963
   sec Cur ops   started  finished  avg MB/s  cur MB/s  last lat   avg lat
    80      16      4451      4435   221.707       216  0.244891  0.287963
    81      16      4504      4488   221.587       212  0.406555  0.288143
    82      16      4559      4543   221.567       220  0.367044  0.288375
    83      16      4609      4593   221.306       200  0.238351  0.288399
    84      16      4670      4654   221.576       244  0.254535  0.288308
    85      16      4723      4707   221.462       212  0.429971  0.288324
    86      16      4779      4763   221.491       224  0.335297  0.288531
    87      16      4831      4815   221.336       208  0.231926  0.288593
    88      16      4888      4872   221.411       228  0.173742  0.288654
    89      16      4947      4931   221.574       236  0.455374  0.288325
    90      16      5002      4986   221.556       220  0.201723  0.288224
    91      16      5064      5048   221.846       248  0.248725  0.288172
    92      16      5117      5101   221.738       212  0.522876  0.287972
    93      16      5177      5161   221.934       240  0.358288  0.287923
    94      16      5230      5214   221.828       212  0.225764  0.288023
    95      16      5288      5272   221.934       232  0.158011  0.287802
    96      16      5339      5323   221.747       204  0.228831  0.288154
    97      16      5393      5377   221.687       216  0.266464  0.288197
    98      16      5456      5440   221.996       252  0.210746  0.287881
    99      16      5508      5492   221.854       208  0.354967  0.287937
2014-05-07 15:37:25.947699min lat: 0.101119 max lat: 1.31226 avg lat: 0.28801
   sec Cur ops   started  finished  avg MB/s  cur MB/s  last lat   avg lat
   100      16      5559      5543   221.675       204  0.140023   0.28801
   101      16      5617      5601   221.775       232   0.21516  0.288175
   102      16      5674      5658   221.836       228  0.680157  0.288088
   103      16      5724      5708   221.624       200  0.392328  0.288043
   104      16      5780      5764   221.646       224  0.365259  0.288279
   105      16      5832      5816   221.516       208  0.554432  0.288295
   106      16      5891      5875   221.652       236  0.337652  0.288325
   107      16      5945      5929   221.598       216  0.140403  0.288345
   108      16      5998      5982   221.509       212   0.17101  0.288433
   109      16      6052      6036   221.458       216  0.325362  0.288317
   110      16      6113      6097   221.662       244  0.431961  0.288293
   111      16      6165      6149   221.539       208  0.213641  0.288337
   112      16      6223      6207   221.631       232  0.290333  0.288413
   113      16      6281      6265   221.723       232  0.127446  0.288206
   114      16      6330      6314   221.497       196  0.291686  0.288445
   115      16      6381      6365   221.344       204  0.439944   0.28866
   116      16      6435      6419   221.298       216  0.189623  0.288739
   117      16      6494      6478   221.423       236  0.150869  0.288596
   118      15      6546      6531   221.342       212  0.349119  0.288871
   119      16      6600      6584   221.263       212  0.164204  0.288836
2014-05-07 15:37:45.952978min lat: 0.101119 max lat: 1.31226 avg lat: 0.288824
   sec Cur ops   started  finished  avg MB/s  cur MB/s  last lat   avg lat
   120      16      6653      6637   221.186       212  0.280823  0.288824
   121      16      6703      6687    221.01       200  0.439371  0.289099
   122      16      6757      6741   220.969       216  0.300013   0.28925
   123      16      6819      6803   221.188       248  0.320116  0.289027
   124      16      6875      6859    221.21       224  0.379419  0.289027
   125      16      6930      6914     221.2       220  0.257334  0.288887
   126      16      6982      6966   221.095       208  0.222303  0.289058
   127      16      7039      7023   221.149       228  0.237355  0.289058
   128      16      7093      7077   221.109       216  0.294762  0.289136
   129      16      7146      7130   221.037       212  0.226828  0.289207
   130      16      7205      7189   221.152       236  0.223497  0.289055
   131      16      7261      7245   221.173       224   0.15263  0.289045
   132      16      7316      7300   221.164       220  0.415826  0.288999
   133      16      7374      7358   221.245       232  0.299776  0.288904
   134      16      7428      7412   221.206       216  0.233308  0.288926
   135      16      7480      7464   221.108       208  0.258876   0.28901
   136      16      7542      7526   221.305       248  0.555874  0.288949
   137      16      7597      7581   221.295       220  0.181116  0.288823
   138      16      7655      7639   221.372       232  0.589999  0.288784
   139      16      7706      7690   221.247       204   0.41453  0.288974
2014-05-07 15:38:05.957693min lat: 0.101119 max lat: 1.31226 avg lat: 0.289045
   sec Cur ops   started  finished  avg MB/s  cur MB/s  last lat   avg lat
   140      16      7757      7741   221.123       204  0.207242  0.289045
   141      16      7808      7792   221.001       204  0.542268  0.289207
   142      16      7863      7847   220.994       220    0.2161  0.289343
   143      16      7917      7901   220.959       216  0.438382  0.289303
   144      15      7967      7952    220.84       204  0.184216  0.289409
   145      16      8026      8010   220.917       232  0.198802   0.28942
   146      16      8082      8066   220.938       224  0.377304  0.289521
   147      16      8134      8118   220.849       208  0.207329  0.289623
   148      16      8185      8169   220.735       204  0.446269  0.289627
   149      16      8234      8218   220.569       196  0.391211  0.289634
   150      16      8296      8280   220.751       248  0.286601  0.289606
   151      16      8353      8337   220.799       228  0.203956   0.28951
   152      16      8405      8389   220.715       208  0.359358  0.289726
   153      16      8455      8439   220.579       200  0.468256  0.289742
   154      16      8508      8492   220.523       212  0.348861   0.28984
   155      16      8566      8550   220.597       232  0.188032  0.289738
   156      16      8623      8607   220.644       228  0.324188  0.289767
   157      16      8676      8660   220.588       212  0.307222  0.289818
   158      16      8736      8720   220.711       240  0.192185  0.289669
   159      16      8788      8772    220.63       208  0.251223   0.28971
2014-05-07 15:38:25.962604min lat: 0.101119 max lat: 1.31226 avg lat: 0.28963
   sec Cur ops   started  finished  avg MB/s  cur MB/s  last lat   avg lat
   160      16      8849      8833   220.776       244  0.321942   0.28963
   161      16      8910      8894    220.92       244  0.291673  0.289396
   162      16      8964      8948   220.889       216  0.335248  0.289452
   163      16      9027      9011    221.08       252  0.174739  0.289321
   164      16      9078      9062   220.975       204    0.4813  0.289338
   165      16      9135      9119   221.018       228  0.391787  0.289297
   166      16      9191      9175   221.035       224  0.173787  0.289256
   167      15      9239      9224   220.885       196  0.150146  0.289419
   168      16      9297      9281   220.927       228  0.502478   0.28929
   169      16      9354      9338   220.968       228  0.166848  0.289367
   170      16      9410      9394   220.986       224  0.181487   0.28934
   171      16      9466      9450   221.003       224  0.135469  0.289335
   172      16      9517      9501   220.904       204  0.318316  0.289544
   173      16      9561      9545   220.644       176    0.6612  0.289637
   174      16      9615      9599   220.617       216  0.307173  0.289769
   175      16      9672      9656   220.659       228  0.205008  0.289731
   176      15      9725      9710   220.632       216  0.281084  0.289828
   177      16      9776      9760   220.515       200  0.200917   0.28984
   178      16      9827      9811   220.422       204   0.54947  0.290039
   179      16      9883      9867   220.442       224  0.191815  0.290031
2014-05-07 15:38:45.967797min lat: 0.101119 max lat: 1.31226 avg lat: 0.290102
   sec Cur ops   started  finished  avg MB/s  cur MB/s  last lat   avg lat
   180      16      9936      9920   220.395       212  0.332011  0.290102
   181      16      9998      9982   220.547       248   0.13831  0.289878
   182      16     10053     10037   220.544       220  0.150082  0.289824
   183      16     10110     10094   220.584       228  0.187842   0.28975
   184      16     10173     10157   220.754       252  0.166696  0.289616
   185      16     10227     10211   220.728       216  0.469861  0.289713
   186      15     10280     10265   220.703       216  0.574895  0.289726
   187      16     10335     10319   220.677       216  0.255842   0.28972
   188      16     10392     10376   220.716       228   0.41683  0.289739
   189      16     10444     10428   220.648       208  0.181431  0.289713
   190      16     10495     10479    220.56       204  0.209041  0.289805
   191      16     10555     10539   220.662       240  0.280371  0.289747
   192      16     10612     10596     220.7       228  0.312355  0.289669
   193      16     10669     10653   220.737       228   0.32539  0.289663
   194      16     10730     10714   220.856       244  0.261148  0.289648
   195      16     10783     10767   220.811       212    0.2097  0.289549
   196      16     10841     10825   220.867       232  0.316249  0.289543
   197      16     10896     10880   220.863       220  0.128579  0.289509
   198      16     10952     10936   220.878       224  0.168387  0.289526
   199      16     11006     10990   220.854       216  0.331512   0.28956
2014-05-07 15:39:05.973340min lat: 0.101119 max lat: 1.31226 avg lat: 0.289592
   sec Cur ops   started  finished  avg MB/s  cur MB/s  last lat   avg lat
   200      16     11055     11039   220.729       196  0.470352  0.289592
   201      16     11114     11098   220.805       236  0.400764  0.289588
   202      16     11172     11156    220.86       232  0.126321   0.28951
   203      16     11225     11209   220.816       212  0.396037  0.289653
   204      16     11273     11257   220.674       192  0.446068  0.289803
   205      16     11333     11317   220.768       240  0.250535  0.289648
   206      16     11387     11371   220.745       216  0.261559  0.289689
   207      16     11439     11423   220.683       208  0.241687  0.289775
   208      16     11493     11477    220.66       216  0.182643  0.289805
   209      16     11545     11529     220.6       208  0.467472  0.289864
   210      16     11599     11583   220.577       216  0.179334  0.289928
   211      16     11652     11636   220.537       212  0.191147  0.289982
   212      16     11712     11696   220.628       240  0.486861  0.289892
   213      16     11756     11740   220.418       176  0.251059  0.290009
   214      15     11813     11798   220.472       232  0.220856  0.290104
   215      16     11867     11851   220.432       212  0.280293  0.289999
   216      16     11918     11902   220.356       204  0.256108  0.290196
   217      16     11968     11952   220.262       200  0.235377  0.290241
   218      16     12032     12016   220.426       256  0.207769  0.290198
   219      16     12079     12063   220.277       188  0.217877  0.290414
2014-05-07 15:39:25.978563min lat: 0.101119 max lat: 1.31226 avg lat: 0.290498
   sec Cur ops   started  finished  avg MB/s  cur MB/s  last lat   avg lat
   220      16     12127     12111   220.149       192  0.256724  0.290498
   221      16     12181     12165    220.13       216  0.359885  0.290496
   222      16     12238     12222   220.165       228  0.249357  0.290477
   223      16     12300     12284   220.289       248  0.199543    0.2904
   224      16     12361     12345   220.395       244  0.630404  0.290275
   225      16     12407     12391   220.233       184  0.180899  0.290311
   226      16     12463     12447   220.249       224  0.154449  0.290278
   227      16     12522     12506   220.319       236  0.246978   0.29031
   228      16     12580     12564    220.37       232  0.121791  0.290182
   229      16     12641     12625   220.472       244  0.275696  0.290169
   230      16     12694     12678   220.435       212  0.872334  0.290054
   231      15     12749     12734    220.45       224   0.34631  0.290183
   232      16     12802     12786   220.397       208  0.320038  0.290167
   233      16     12862     12846    220.48       240  0.149949  0.290078
   234      16     12917     12901   220.478       220  0.235769  0.290046
   235      16     12972     12956   220.476       220  0.371443   0.29007
   236      16     13033     13017   220.575       244  0.222503  0.289984
   237      16     13092     13076    220.64       236  0.240298  0.289902
   238      16     13146     13130    220.62       216  0.249867  0.289867
   239      16     13203     13187   220.651       228  0.308651  0.289906
2014-05-07 15:39:45.983532min lat: 0.101119 max lat: 1.31226 avg lat: 0.289966
   sec Cur ops   started  finished  avg MB/s  cur MB/s  last lat   avg lat
   240      16     13250     13234   220.515       188  0.276054  0.289966
   241      16     13316     13300   220.695       264  0.162547  0.289883
   242      15     13369     13354   220.675       216   0.31763  0.289797
   243      16     13428     13412   220.722       232  0.123805   0.28971
   244      15     13479     13464   220.669       208  0.230601  0.289809
   245      16     13534     13518    220.65       216  0.115343  0.289813
   246      16     13585     13569   220.582       204  0.168631  0.289851
   247      16     13645     13629   220.661       240  0.211015    0.2898
   248      16     13705     13689   220.738       240  0.187368  0.289749
   249      16     13762     13746   220.767       228   0.18544  0.289761
   250      16     13816     13800   220.748       216  0.234778  0.289711
   251      16     13867     13851   220.681       204  0.299891  0.289799
   252      16     13922     13906   220.678       220  0.178209  0.289802
   253      16     13982     13966   220.754       240   0.15363  0.289719
   254      16     14041     14025   220.814       236  0.319503  0.289642
   255      16     14096     14080   220.811       220   0.15513  0.289653
   256      16     14151     14135   220.807       220  0.191936  0.289682
   257      16     14211     14195   220.882       240   0.42164  0.289601
   258      16     14261     14245   220.801       200  0.429204  0.289667
   259      16     14319     14303   220.844       232  0.152678  0.289632
2014-05-07 15:40:05.988372min lat: 0.101119 max lat: 1.31226 avg lat: 0.289618
   sec Cur ops   started  finished  avg MB/s  cur MB/s  last lat   avg lat
   260      16     14375     14359   220.856       224   0.31703  0.289618
   261      16     14427     14411   220.806       208  0.205809  0.289642
   262      16     14490     14474   220.925       252   0.32792  0.289559
   263      16     14538     14522   220.815       192  0.242579  0.289644
   264      16     14591     14575   220.781       212  0.324884  0.289696
   265      16     14647     14631   220.793       224  0.293476  0.289649
   266      16     14705     14689   220.835       232  0.184659  0.289608
   267      16     14761     14745   220.847       224  0.347211  0.289595
   268      16     14820     14804   220.903       236  0.417986  0.289545
   269      16     14879     14863   220.959       236  0.157183  0.289504
   270      16     14935     14919    220.97       224  0.203481  0.289445
   271      16     14998     14982   221.084       252  0.281984  0.289334
   272      16     15058     15042   221.154       240   0.19693  0.289247
   273      16     15110     15094   221.105       208  0.322749  0.289256
   274      16     15173     15157   221.218       252  0.276563  0.289142
   275      16     15225     15209    221.17       208  0.529459  0.289165
   276      16     15285     15269   221.238       240  0.513058  0.289092
   277      16     15336     15320   221.175       204  0.261624  0.289186
   278      16     15397     15381   221.257       244  0.216828  0.289069
   279      16     15454     15438   221.281       228  0.239265  0.289058
2014-05-07 15:40:25.993548min lat: 0.101119 max lat: 1.31226 avg lat: 0.289203
   sec Cur ops   started  finished  avg MB/s  cur MB/s  last lat   avg lat
   280      16     15505     15489   221.219       204  0.278719  0.289203
   281      16     15562     15546   221.243       228  0.423709  0.289144
   282      16     15617     15601   221.238       220  0.117976  0.289073
   283      16     15674     15658   221.262       228  0.215652  0.289111
   284      16     15727     15711   221.229       212  0.240889  0.289105
   285      16     15786     15770   221.281       236  0.235276  0.289058
   286      16     15844     15828   221.318       232    0.2063   0.28903
   287      16     15900     15884   221.327       224  0.150426  0.289063
   288      16     15955     15939   221.322       220  0.163179  0.289015
   289      16     16015     15999   221.387       240   0.22401  0.288967
   290      16     16070     16054   221.382       220  0.419973  0.288929
   291      16     16124     16108   221.363       216  0.270925  0.288894
   292      16     16173     16157   221.276       196  0.181312  0.288978
   293      16     16227     16211   221.258       216  0.364086  0.289128
   294      16     16283     16267   221.267       224  0.136789  0.289044
   295      16     16339     16323   221.276       224  0.178604  0.289074
   296      16     16393     16377   221.258       216  0.374312  0.289017
   297      16     16450     16434   221.281       228  0.320074  0.289071
   298      16     16513     16497   221.384       252  0.226936  0.288992
   299      16     16566     16550   221.352       212  0.182827  0.288901
2014-05-07 15:40:45.998624min lat: 0.101119 max lat: 1.31808 avg lat: 0.288874
   sec Cur ops   started  finished  avg MB/s  cur MB/s  last lat   avg lat
   300      16     16620     16604   221.334       216  0.330701  0.288874
 Total time run:         300.298736
Total writes made:      16620
Write size:             4194304
Bandwidth (MB/sec):     221.380

Stddev Bandwidth:       20.1369
Max bandwidth (MB/sec): 264
Min bandwidth (MB/sec): 0
Average Latency:        0.289054
Stddev Latency:         0.125063
Max latency:            1.31808
Min latency:            0.101119


#####################################################
Here are testing results for librados ( I suppose c++?) with "rados -p pool put infile outfile":
In both cases write performance is below 30MB/sec.

root at mir-daten-dev:~# ll /tmp/testradosput_X.mp4
-rw-r--r-- 1 root root 1368187617 May  8 09:51 /tmp/testradosput_X.mp4
[devel at transcoder-devel-2-backup julian]$ ll test_X.mp4
-rw-r--r-- 1 devel nfsnobody 1368187617  2. Mai 12:22 test_X.mp4

[devel at transcoder-devel-2-backup julian]$ time rados -p mirdatatest put video_X.mp4 test_X.mp4

real    0m54.720s
user    0m0.647s
sys     0m1.954s
[devel at transcoder-devel-2-backup julian]$ time rados -p mirdatatest put video_X.mp4 test_X.mp4

real    0m52.118s
user    0m0.559s
sys     0m1.709s

root at mir-daten-dev:~# time rados -p mirdatatest put testradosput_X.mp4 /tmp/testradosput_X.mp4

real    0m44.860s
user    0m0.844s
sys     0m1.402s
root at mir-daten-dev:~# time rados -p mirdatatest put testradosput_X.mp4 /tmp/testradosput_X.mp4

real    0m44.668s
user    0m0.791s
sys     0m1.495s


#####################################################
Here are the results for librados clients written in Java (using OpenJDK 1.7)

[mir at mir-daten-dev ~]$ time  java CephClient WRITE ff161ab4-f700-471e-913d-3ec8ddfe8687_X.mp4  "mirdatatest/test_from_daten_dev_with_java_X.mp4"
Connected to the cluster.
start writing
wrote 33554432
wrote 1368187617
wrote file ff161ab4-f700-471e-913d-3ec8ddfe8687_X.mp4 of size 1368187617 in 38458 milliseconds. speed is 35 MB/s

real    0m38.544s
user    0m1.790s
sys     0m1.407s

Doing two write commands at once doesnt have an effect on speed:
[mir at mir-daten-dev ~]$ time  java CephClient WRITE ff161ab4-f700-471e-913d-3ec8ddfe8687_X.mp4  "mirdatatest/test_from_daten_dev_with_java_X.mp4" & time  java CephClient WRITE ff161ab4-f700-471e-913d-3ec8ddfe8687_X.mp4  "mirdatatest/test_farom_daten_dev_with_java_X.mp4"&

wrote file ff161ab4-f700-471e-913d-3ec8ddfe8687_X.mp4 of size 1368187617 in 39200 milliseconds. speed is 34 MB/s

real    0m39.291s
user    0m2.121s
sys     0m1.560s

wrote file ff161ab4-f700-471e-913d-3ec8ddfe8687_X.mp4 of size 1368187617 in 41972 milliseconds. speed is 32 MB/s

real    0m42.063s
user    0m1.784s
sys     0m1.415s

#####################################################
Here are the results for S3-Gateway for ceph with another java client:

[devel at transcoder-devel-2-backup julian]$ time java -cp "libs/*:." CephS3Client PUT test_X.mp4 "s3test/transfer-test-3.mp4"
OpenJDK 64-Bit Server VM warning: Insufficient space for shared memory file:
   /tmp/hsperfdata_devel/27950
Try using the -Djava.io.tmpdir= option to select an alternate temp location.

transter in percent 0.8011252158555385
transter in percent 9.799114561055115
transter in percent 18.29774783000393
transter in percent 27.948372814428126
transter in percent 35.83089409001719
transter in percent 47.13346561446039
transter in percent 57.863035022630235
transter in percent 62.27161870300716
transter in percent 70.26670465765515
transter in percent 77.31636705786674
transter in percent 87.52682169612123
transter in percent 99.54070619248996
transter in percent 100.0
transter in percent 100.0
transter in percent 100.0
transter in percent 100.0
transter in percent 100.0
transter in percent 100.0

real    0m21.642s
user    0m26.108s
sys     0m18.269s

[devel at transcoder-devel-2-backup julian]$ ls -la test_X.mp4
-rw-r--r-- 1 devel nfsnobody 1368187617  2. Mai 12:22 test_X.mp4
--------------------------------------------------------------------------------------------------
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