On Fri, Sep 20, 2019 at 5:11 AM Richard Higginbotham <higgi...@gmail.com> wrote:
>  The original use case was detecting new files in various directories. Each 
> directory was expected to have millions of 4KB files and maybe at most 100k 
> of new files. This was in around 2002 and it was a huge time savings for me.
>

I can't help thinking that the time for such a job would be dominated
by disk operations here :) If a single directory has quote "millions"
of files, you're going to see some pretty significant differences
based on which file system you're using; not every FS copes well with
gigantic directories.

ChrisA
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