Destroying existing trash page cahce pages?

Woody
2007-06-19
2013-05-13
  • Woody

    Woody - 2007-06-19

    Doesn't this destroy existing "free" pages that have data in them that might be re-used later?  If it's based on what people run, wouldn't that data already be loaded from the last exit?  This may be good for initial start-up, when the memory is free, but then drive usage is pretty high during that time frame anyway.

    I'd be interested to know if this actually speeds anything up.

     
    • Behdad Esfahbod

      Behdad Esfahbod - 2007-11-09

      Yes, that's basically what it does.  I came up with some negative conclusions like yours after I finished experimenting with it.  You can read my findings here:

        http://www.cs.toronto.edu/~behdad/preload.pdf

      behdad

       

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