|  |  | Archives of the TeradataForumMessage Posted: Thu, 14 Apr 2005 @ 15:16:50 GMT
 
 
  
| Subj: |  | Testing demo V2R6, want to spoil cache |  |  |  | From: |  | Maxwell, Donald |  
 I'm running Tdat demo V2R6 on XP (NTFS) and I want to compare full table scan (cpu & io) vs indexed access.  I would like to be able to disable
and/or spoil any and all cache to ensure my tests are comparable.  I've tried a diagnostic nocache but it doesn't seem to have any effect. Maybe
I'm not using it correctly.  Do I have to be conerned about operating system and/or disk level caching? If so, is there anything I can do to
disable these also? 
 Please help. Donald Maxwell 
 
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