Subject: Re: namei caching of newly created files?
To: Havard Eidnes <firstname.lastname@example.org>
From: Steven M. Bellovin <email@example.com>
Date: 01/20/2005 13:09:18
In message <firstname.lastname@example.org>, Havard Eidnes writes=
>> Is the performance of manipulating a single direcory with
>> 45,000 entries even something we care about? Who would ever
>> put 45,000 files into a single directory? Who would even put
>> 100 files into a directory if getting a directory listing takes
>> two or more screens just to display?
>Yes, I think we care or should care.
>Think MH folder system or Maildir setup, and add in users who
>have an ever increasing number of messages in their folders.
>That's not exactly an uncommon usage scenario, at least in my
Indeed. Your note was message 9136 in my Mail/netbsd directory. I =
just did a 'folder -pack', so I really have that many messages -- files =
-- in it. =
--Prof. Steven M. Bellovin, http://www.cs.columbia.edu/~smb