[OpenAFS-devel] more on the 2.2.18pre17 SMP cpu hog/etc.
01 Dec 2000 17:30:51 -0500
How much RAM is in your home machine?
Nathan Neulinger <email@example.com> writes:
> "Patrick J. Hennessey" wrote:
> > On Thu, 30 Nov 2000, Nathan Neulinger wrote:
> > > After a very long time, it actually finished and mounted /afs.
> > The first time afsd runs it has to create a bunch of inode cache entries
> > and dirs. This is noticably inefficient, especially if you configure a
> > large cache. If you wait it out afsd will start much quicker the second
> > time around.
> I've been running AFS for years. The cache was already built, and even
> if it hadn't been, the cache creation has never (on any platform I've
> used afs on - even slow p.o.s. aix boxes) driven the machine into the
> ground. Starting afs on my home box manually results in X being
> virtually unusable - and this is on a dual-850-piii w/ 512MB of memory.
> In any case, the slowdown occurs AFTER the cache files are created,
> during the second pass through the cache activating the cache inodes -
> where it potentially creates/checks the contents of the cache files.
> BTW, this is on reiserfs, I've got linux x86 machines at work that
> create 350 MB afs caches from scratch (empty filesystem) in a matter of
> 30-40 SECONDS. This slowdown resulted in afsd w/ a 3.5MB afs cache
> taking 10 MINUTES to start.
> -- Nathan
> Nathan Neulinger EMail: firstname.lastname@example.org
> University of Missouri - Rolla Phone: (573) 341-4841
> CIS - Systems Programming Fax: (573) 341-4216
> OpenAFS-devel mailing list
Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory
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