On Fri, Jul 11, 2003 at 10:12:44AM +0200, Andreas Aardal Hanssen wrote:
> Yes, I have :-). Fortunately, the I/O load is IMO not significant compared
> to the advantage of using this design. Multiple operations on the same
> file do make things slower than one operation, but once one probe is made,
> the VFS makes multiple accesses quick by cacheing.
I'm not sure that's true over NFS. There is very little caching you can do
client-side, given that any file could be altered by another client at any
time.
> Besides, the LIST operation, being the request that is most influenced by
> this design, is only used when subscribing to mailboxes, which is a rare
> operation. The SELECT command will use it do detect the mailbox type once
> during a session, which isn't bad either.
Hmm. Yes, and I guess a POP3 server is going to look for a particular
file/directory ('INBOX' say) and ignore everything else in that directory.
Regards,
Brian.
