On Thu, Nov 09, 2000 at 11:54:42AM -0800, Ask Bjoern Hansen wrote:
> On Wed, 11 Oct 2000, Matt Sergeant wrote:
>
> If you're always looking stuff up on simple ID numbers and
> "stuff" is a very simple data structure, then I doubt any DBMS can
> beat
>
> open D, "/data/1/12/123456" or ...
>
> from a fast local filesystem.
And it's worth pointing out that the ../1/12/.. scheme (where a prefix
of the name, 123456 in this case, is used to spread the names across
many subdirs) is essential to get good performance from most unix
filesystems when you have many names to store.
Keywords: triple inode indirection is bad (or something like that :-)
Tim.
