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Differences between version 106 and previous revision of HarddiskBenchmarks.

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Newer page: version 106 Last edited on Thursday, April 26, 2007 4:24:49 pm by RaymondBurgess Revert
Older page: version 105 Last edited on Tuesday, April 24, 2007 7:48:48 pm by RaymondBurgess Revert
@@ -4,9 +4,9 @@
  
 Here's our preferred bonnie++ command line: 
  
 <verbatim> 
- /usr/sbin/bonnie++ -r <ramsize> -s <twice ramsize> -x 1 
+ /usr/sbin/bonnie++ -n 128 -r <ramsize> -s <twice ramsize> -x 1 
 </verbatim> 
  
 Some documentation suggests that you should use about 40 times the ramsize in your -s parameter, as opposed to 2 times the ramsize. This will obviously take longer, but should sidestep any cache improvements you might see which could influence your results. If you change your bonnie++ command line please make a note of it 
  
@@ -17,8 +17,9 @@
 which should have been bundled with bonnie++. 
  
 Please make a note of your system specification, in particular the disk IO subsystem, which OS, and which version of bonnie++ you are running. 
  
+If you get all +++++ results for the Create tests your disks are too fast to test. Meaningful results require the test to take longer than 500ms, increase the number of files used for the test with the -n commandline option.  
  
 ----- 
 Name: Imperial%%% 
 OS: FreeBSD 6-CURRENT (2005-06-04)%%% 
@@ -1221,13 +1222,13 @@
 <verbatim> 
 Version 1.03 ------Sequential Output------ --Sequential Input- --Random- 
  -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks-- 
 Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP 
-testserver 4G 25351 94 35216 25 14695 6 31221 95 43769 6 638 .4
+testserver 4G 25614 96 35928 25 14750 6 30007 92 44688 7 621 .9
  ------Sequential Create------ --------Random Create-------- 
  -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete-- 
 files:max:min /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP 
-testserver 16 31732 98 +++++ +++ +++++ +++ +++++ +++ +++++ +++ +++++ +++  
+testserver 128 29315 98 232426 100 20997 62 26331 86 +++++ +++ 29526 92  
 </verbatim> 
 ---- 
  
 Part of CategoryDiskNotes