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Created September 9, 2010 05:00
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256 MB RAM

# time iozone -a -c -e -s 512m -q 4096 -y 64
Iozone: Performance Test of File I/O
        Version $Revision: 3.347 $
	Compiled for 64 bit mode.
	Build: linux-AMD64 

Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins
             Al Slater, Scott Rhine, Mike Wisner, Ken Goss
             Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR,
             Randy Dunlap, Mark Montague, Dan Million, Gavin Brebner,
             Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Dave Boone,
             Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root,
             Fabrice Bacchella, Zhenghua Xue, Qin Li.

Run began: Thu Sep  9 05:35:12 2010

Auto Mode
Include close in write timing
Include fsync in write timing
File size set to 524288 KB
Using Maximum Record Size 4096 KB
Using Minimum Record Size 64 KB
Command line used: iozone -a -c -e -s 512m -q 4096 -y 64
Output is in Kbytes/sec
Time Resolution = 0.000001 seconds.
Processor cache size set to 1024 Kbytes.
Processor cache line size set to 32 bytes.
File stride size set to 17 * record size.
                                                        random  random    bkwd   record   stride                                   
          KB  reclen   write rewrite    read    reread    read   write    read  rewrite     read   fwrite frewrite   fread  freread
      524288      64  180511  134124   117072   253960    8331   39705   29158  2244517    22107   127944   130753  107694   238508
      524288     128  129035  151059   146851   240197   10450   53010   32751  1649265    32373    93759   173725  124568   229615
      524288     256  166804  115095   103785   245417   21156   56883   40058  2190256    27892   135283   123288  113280   203224
      524288     512  146588  136656   112183   252597   25964   83133   32226  1879545    28512   160621   124139  110508   257820
      524288    1024  164695  144566   167986   251074   42155  101635   48511  1896907    57291    93304   136347  195884   134508
      524288    2048  157020   91655    94729   196637   67228  112491   65494  1312761    79570   144270    93551  184443   264820
      524288    4096  180368  134415   135635   249570  140082  134864   83140  1261748   143660   132234   149771  218074   318914

iozone test complete.

real       11m44.562s
user	 0m1.660s
sys	        0m54.910s

4096 MB RAM

# time iozone -a -c -e -s 8g -q 8 -y 8
Iozone: Performance Test of File I/O
        Version $Revision: 3.347 $
	Compiled for 64 bit mode.
	Build: linux-AMD64 

Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins
             Al Slater, Scott Rhine, Mike Wisner, Ken Goss
             Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR,
             Randy Dunlap, Mark Montague, Dan Million, Gavin Brebner,
             Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Dave Boone,
             Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root,
             Fabrice Bacchella, Zhenghua Xue, Qin Li.

Run began: Thu Sep  9 06:06:56 2010

Auto Mode
Include close in write timing
Include fsync in write timing
File size set to 8388608 KB
Using Maximum Record Size 8 KB
Using Minimum Record Size 8 KB
Command line used: iozone -a -c -e -s 8g -q 8 -y 8
Output is in Kbytes/sec
Time Resolution = 0.000001 seconds.
Processor cache size set to 1024 Kbytes.
Processor cache line size set to 32 bytes.
File stride size set to 17 * record size.
                                                        random  random    bkwd   record   stride                                   
          KB  reclen   write rewrite    read    reread    read   write    read  rewrite     read   fwrite frewrite   fread  freread
     8388608       8  191577  187738   266933   270771    1616    9595   16615  1231824    20303   178084   191071  267039   266735

iozone test complete.

real      130m29.814s
user        0m11.350s
sys	        3m26.980s


# time iozone -a -c -e -s 8g -q 4096 -y 64
Iozone: Performance Test of File I/O
        Version $Revision: 3.347 $
	Compiled for 64 bit mode.
	Build: linux-AMD64 

Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins
             Al Slater, Scott Rhine, Mike Wisner, Ken Goss
             Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR,
             Randy Dunlap, Mark Montague, Dan Million, Gavin Brebner,
             Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Dave Boone,
             Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root,
             Fabrice Bacchella, Zhenghua Xue, Qin Li.

Run began: Thu Sep  9 08:17:26 2010

Auto Mode
Include close in write timing
Include fsync in write timing
File size set to 8388608 KB
Using Maximum Record Size 4096 KB
Using Minimum Record Size 64 KB
Command line used: iozone -a -c -e -s 8g -q 4096 -y 64
Output is in Kbytes/sec
Time Resolution = 0.000001 seconds.
Processor cache size set to 1024 Kbytes.
Processor cache line size set to 32 bytes.
File stride size set to 17 * record size.
                                                        random  random    bkwd   record   stride                                   
          KB  reclen   write rewrite    read    reread    read   write    read  rewrite     read   fwrite frewrite   fread  freread
     8388608      64  209965  211103   270770   289524    8668   37985   29609  2328289    48280   207213   190578  290091   298315
     8388608     128  184319  190475   252482   280378   14800   48736   34851  2498546    40998   196433   185998  303364   303413
     8388608     256  199019  203485   258512   282054   23589   65328   48949  2372502    26961   184470   187864  285875   322046
     8388608     512  196113  169355   280398   268183   31068   90348   55187  2028023    43433   182702   157900  274920   250775
     8388608    1024  189563  184157   260048   290701   60424  106742   76832  2019032    75702   177316   165563  266542   287334
     8388608    2048  191172  173989   270190   274896  108373  122064  115195  1931754   119945   173498   163067  307126   308675
     8388608    4096  200587  171935   256421   273857  155296  131499  163741  1168187   175844   166101   185756  292802   328752

iozone test complete.

real      145m21.504s
user        0m23.690s
sys	       13m25.190s
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