Scott Pilz <tech(_at_)squid(_dot_)tznet(_dot_)com> writes:
...
Not necessarily: some UNIXes have file systems that can efficiently
support very large directories (IRIX's XFS comes to mind), in which
case the explicit hashing scheme that you describe will actually be
slower than a 'flat' directory. There are also backwards compatibility
issues for many sites. But yes, most 'large' sites should not store
mailboxes in a flat directory.
Do you have any idea where BSD is in this area of discussion?
Specific, FreeBSD 4.0. If it would be better to actually put everything in
ONE directory or have them sub'd?
BSD's FFS uses a linear search when looking up names in a directory, so
it doesn't perform well for huge directories.
Philip Guenther
Procmail Maintainer
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