Matt Dillon wrote:

> If directories are spread all over the disk, caching
>     is non-optimal.  But if they are relatively close to each other then
>     both our VM cache (if vfs.vmiodirenable is set to 1) and the hard
>     drive's internal cache become extremely effective. 

        I notice that this option is off by default. Can you give a general idea
of when it should be enabled, when it should be disabled, and what bad
things might result with it on? 


    Perhaps the greatest damage the American system of education has done
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    simply because they are their opinions.

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