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					                                                                            NAS-NFS Server (NFS V3)
                                                                          Performance scaling summary
                               870000
                               840000
                               810000
                               780000
                               750000
                               720000
                               690000
                               660000
                               630000
Aggregate throughput Ops/sec




                               600000
                               570000
                               540000
                               510000
                               480000
                               450000                                                                                           Initial write
                               420000                                                                                               Rewrite
                               390000
                               360000                                                                                                 Read
                               330000                                                                                               Re-read
                               300000
                               270000                                                                                             Random mix
                               240000
                               210000
                               180000                         Client cache effect                       Client cache exceeded
                               150000
                               120000
                                90000
                                60000
                                30000
                                    0
                                        1   3   5   7   9   11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49
Each client process reads/writes a                                         Number of client processes
60 Mbyte file using 4kbyte records.                                                                                             Don Capps
There are 3 clients, procs distributed
round robin. (Gigabit NICs)
                                                                                                                                Dec 14, 2002
                                                                                 NAS-NFS Server (NFS V3)
                                                                                 Write performance scaling
                               5500

                                                           Client cache effect
                               5000                        Should be bigger !

                               4500                                                              Client cache exceeded

                               4000
Aggregate throughput Ops/sec




                               3500


                               3000


                               2500


                               2000


                               1500


                               1000


                                500


                                  0
                                      1   3   5   7   9   11   13   15    17     19    21   23    25   27   29     31   33   35   37   39   41   43   45   47   49

                                                                                      Number of client processes
Each client process writes a 60
Mbyte file using 4kbyte records.                                                                                                                            Don Capps
There are 3 clients, procs distributed
round robin. (Gigabit NICs)
                                                                                                                                                            Dec 14, 2002
                                                                                  NAS-NFS Server (NFS V3)
                                                                                 Rewrite performance scaling
                               13000

                               12000                       Client cache effect
                                                           Should be bigger !
                               11000

                               10000

                                                                                             Client cache exceeded
Aggregate throughput Ops/sec




                               9000

                               8000

                               7000

                               6000

                               5000

                               4000

                               3000

                               2000

                               1000

                                   0
                                       1   3   5   7   9    11    13   15    17    19   21    23    25   27    29    31   33   35   37   39   41   43   45   47   49
                                                                                        Number of client processes
Each client process writes a 60
Mbyte file using 4kbyte records.                                                                                                                             Don Capps
There are 3 clients, procs distributed
round robin. (Gigabit NICs)
                                                                                                                                                             Dec 14, 2002
                                                                                 NAS-NFS Server (NFS V3)
                                                                                 Read performance scaling
                                870000
                                840000
                                810000
                                780000
                                750000
                                720000
                                690000
                                660000
                                630000
 Aggregate throughput Ops/sec




                                600000
                                570000
                                540000
                                510000
                                480000
                                450000
                                420000
                                390000
                                360000                                                                                              Client cache exceeded
                                330000
                                300000
                                270000
                                240000
                                210000                            Client cache effect
                                180000
                                150000
                                120000
                                 90000
                                 60000
                                 30000
                                     0
                                         1   3   5   7   9   11   13   15   17    19    21   23    25   27    29    31   33   35   37   39   41   43   45   47   49
                                                                                       Number of client processes

Each client process reads a 60
Mbyte file using 4kbyte records.                                                                                                                             Don Capps
There are 3 clients, procs
distributed round robin. (Gigabit
NICs)                                                                                                                                                       Dec 14, 2002
                                                                              NAS-NFS Server (NFS V3)
                                                                             Re-read performance scaling
                                750000
                                720000
                                690000
                                660000
                                630000
                                600000
                                570000
                                540000
 Aggregate throughput Ops/sec




                                510000
                                480000
                                450000
                                420000
                                390000
                                360000
                                330000
                                300000
                                270000
                                                                                                                                       Client cache exceeded
                                240000
                                210000                            Client cache effect
                                180000
                                150000
                                120000
                                 90000
                                 60000
                                 30000
                                     0
                                         1   3   5   7   9   11   13   15   17   19   21    23    25   27    29    31   33   35   37   39   41   43   45   47   49
                                                                                      Number of client processes

Each client process reads a 60
Mbyte file using 4kbyte records.                                                                                                                           Don Capps
There are 3 clients, procs
distributed round robin. (Gigabit
                                                                                                                                                           Dec 14, 2002
NICs)
                                                                              NAS-NFS Server (NFS V3)
                                                                            Mixed r/w performance scaling
                                500000
                                480000
                                460000
                                440000
                                420000
                                400000
                                380000
 Aggregate throughput Ops/sec




                                360000
                                340000
                                320000
                                300000
                                280000
                                260000
                                240000
                                220000
                                200000
                                180000                        Client cache effect
                                160000
                                140000
                                                                                                                                Client cache exceeded
                                120000
                                100000
                                 80000
                                 60000
                                 40000
                                 20000
                                     0
                                         1   3   5   7   9   11   13   15   17   19     21   23   25   27   29   31   33   35    37   39   41   43   45   47   49
                                                                                      Number of client processes

60 % of the client processes are
performing random 4k reads to a 60                                                                                                                         Don Capps
Mbyte file. The other 40 % are
performing random writes (Gigabit NICs)
                                                                                                                                                          Dec 14, 2002
                                                                             NAS-NFS Server (NFS V3)
                                                                           Mixed r/w performance scaling
                                34000

                                32000

                                30000                                        Client cache exceeded

                                28000

                                26000

                                24000
 Aggregate throughput Ops/sec




                                22000

                                20000

                                18000

                                16000

                                14000

                                12000

                                10000

                                8000

                                6000

                                4000

                                2000

                                   0
                                        29   30   31   32   33   34   35    36   37    38    39     40    41   42   43   44   45   46   47   48     49

                                                                                  Number of client processes
60 % of the client processes are
performing random 4k reads to a 60                                                                                                                Don Capps
Mbyte file. The other 40 % are
performing random writes. (Gigabit NICs)                                                                                                          Dec 14, 2002
./iozone -R -r 4 -s 60m -l 1 -u 50 -i 0 -i 1 -i 8 -+p 60 -+m nodelist -b excel_noflush.wks -C -O
Throughput report Y-axis is type of test X-axis is number of processes
Record size = 4 Kbytes
Output is in ops/sec
  Initial write           2363.424 4436.65 5131.925 4151.967 5000.048 4507.135                     3164.121
       Rewrite            6189.952 10003.05 11826.51 9622.838 10971.3 9421.426                     8135.279
          Read            98803.56        191406 283213.7 331360.2 371613.9 407005.3               447027.1
       Re-read            98300.86 191346.4            283557 309396.7 385562.7 426327.2           456663.5
    Random mix            81501.83 93984.36             93526 138619.2 186206.5 269089.2           287404.6

                                 1            2           3           4           5           6          7
3271.474   3526.426   3116.463   3163.893   3236.248   3067.078   3083.869   3112.348   3029.812
8234.023   7710.065   7406.096   7425.748   7252.197   7191.178   7135.661   7140.442   6965.178
431400.5   519348.2   470969.7   464048.8   425795.1   449084.5   461261.7   451338.5   509138.1
  462785   484378.8   477981.9     478376   448137.8   467156.7   495426.7   447763.3     453537
340605.1     357132   332153.3   359325.9   328652.9   349137.2   355472.9   372140.3   381275.4

      8          9         10         11         12         13         14         15         16
3072.768   3091.889   3010.088   3126.688   3051.277   2967.145   3045.419   3117.675   2881.036
6940.859   6753.826   6724.085   6771.588    6791.78   6638.564    6587.25   6547.916   6609.724
515251.7   824253.3   464213.8   459912.6   466594.8   562471.6   670775.1   405438.7   387912.3
  453657     452915   572123.4     477561   557089.1   503004.3   452080.2   529671.5   487371.9
357028.6   442016.1   392372.3   391665.7   382072.7   380642.8   386795.3   294217.5   470017.2

     17         18         19         20         21         22         23         24         25
 3001.38   2992.896   2898.691   3007.995   2932.457   2875.301   2899.892   2930.428   2836.257
6544.681   6502.146   6410.792    6324.37   6487.647   6369.363   6283.849   6068.048   6147.081
406503.9   544448.6   436958.8   294844.2   214458.6   81745.05    97657.3   117718.2   72178.51
408863.1   687387.7   560609.4   286365.2   252438.5   83605.78   116087.8   133740.9   83506.95
176731.4   195503.3   79296.73   7797.012   30830.63    11495.1   3987.481   14143.03   2341.057

     26         27                     29       30           31       32       33       34
                                 7797.012 30830.63      11495.1 3987.481 14143.03 2341.057
 2805.95 2853.735 2765.152 2792.376 2804.579 2729.034   2752.705   2766.009   2680.055
6279.138 6294.516 6352.206 6167.704 6236.541 6213.637   6174.783   6092.088   6107.726
49319.73 48088.4 61911.68 40190.09 49430.1 29606.29     41287.96   35099.54   28877.86
 78245.5 35585.9 52618.72 46692.97 65347.85 33365.72    40738.88   46044.36   34499.03
 2176.03 2108.529 1784.144 2513.005 2282.239 2094.504   1523.697   4243.194    1520.18

     35       36       37       38       39       40       41       42              43
2176.03 2108.529 1784.144 2513.005 2282.239 2094.504 1523.697 4243.194         1520.18
2701.872   2729.225 2667.017 2663.799 2676.748   2626.2
6202.295    6150.72 6066.888 6012.022 6093.207 5990.166
20234.05   36975.61 36180.06 35421.37 38565.06 39445.52
30788.42   41100.89 29160.9 27143.86 29328.32 37231.55
1532.422   1473.391 1531.54 1544.792 1505.258 1579.534

      44       45         46       47       48       49
1532.422 1473.391    1531.54 1544.792 1505.258 1579.534

				
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posted:8/23/2012
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