On Fri, 19 May 2000, Joy Ganguly wrote:
> hi all
>
> what does the flag OBJ_OPT mean?? i read it deals with some sort of IO
> optimization. but i dont know what it actually does. any insights on
> this??
IIRC, when you do an I/O on a file and some of the pages of that file are
already in the memory. In this case, you only need to fix the mapping
without any real I/O on these page, this is called I/O OPTmization.
-Zhihui
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