Date: Mon, 31 Jul 2000 12:32:39 -0700 From: Steve Carlson <stevec@nbci.com> To: <freebsd-fs@freebsd.org> Subject: FFS performance for large directories? Message-ID: <B5AB2266.BEA%stevec@nbci.com>
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First off, my apologies in advance if this is not the type of technical
question expected in this forum - I checked the charter and archives to get
a feel for the theme, but still wasn't sure if this would be inappropriate.
-questions was no help, either...
I'm trying to figure out at what point I can expect performance issues
with an FFS filesystem if I have directories with a massive number of small
files or symlinks. As far as I understand it, there are a number of inodes
located within a cylinder group, and the inodes for files are ideally placed
in the same cylinder group as their parent directory. But if I were to have
a massive number of small files or symlinks in a directory, wouldn't I run
out of local inodes and thus start to see a performance issue when working
in that directory? How can I determine the maximum number of files I should
safely place in a directory without my performance suffering? I've been
unable to find commentary on this in print or on the web - everything I've
read centers only on performance issues when the disk becomes full.
Thanks for any help you can offer,
Steve
--
Steve Carlson
NBC Internet
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