I am wondering how much the locality flag affects performance when using
DosOpen for subsequent DosQFileInfo.  I don't actually read anything from
the file, just level 1 or level 2 info query.

When does one use DosOpen with no Locality.  Would this flag affect
cache/buffer use?  If one opened for mainly sequential access, then would
you get fewer & larger cache/buffers .vs. opening random access which
would give you more & smaller bufffers.

When requesting no cache to be used for DosOpen, does the Locality flag
even do anything?

Thx,
John


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