[plug] Maildir vs mbox

Shayne O'Neill shayne at guild.murdoch.edu.au
Thu Apr 1 22:13:59 WST 2004

Well. dunno bout the specifics of it all.

The guild machine, when its not time travelling, serves about 40 email
boxes , with some absolute monsters.

I'm currently clocking 24,000 emails in my inbox.
The pres has more. Theres a bunch like that.

The thing runs along at warp speed.

Admitedly Pine is the clear fave client in these woods.

"Must not Sleep! Must warn others!"
Shayne O'Neill. Indymedia. Fun.

On Thu, 1 Apr 2004, James Devenish wrote:

> In message <406BB546.20000 at jensz.id.au>
> on Thu, Apr 01, 2004 at 02:23:03PM +0800, Ben Jensz wrote:
> > I'm just curious as to what people think the cons / pros are of the two
> > mail storage formats?
> Needless to say, the best performers are usually those that employ some
> kind of index, and that is not part of either Maildir or mbox per se.
> For remote IMAP/POP users, I imagine Craig's recommendation of Maildir
> (or derivates) is the best advice. For direct mailbox access, though,
> mbox does have its advantages. Various marginal (but commonplace) issues
> keep me tied to mbox, but apart from that I find that my mailboxes are
> slower with Maildir under ext3. Therefore, I use Maildir for mailboxes
> that contain very large messages or benefit greatly from the removal of
> the locking requirement. However, archiving old mail is easier with
> Maildir. With a Maildir, it's trivial to have a script that shifts files
> from a current folder to an archive folder without interfering with
> anything. For mbox, the same task requires locking the mbox and parsing
> it and rewriting it, etc.
> In message <1080802016.13025.5.camel at bucket.localnet>
> on Thu, Apr 01, 2004 at 02:46:57PM +0800, Craig Ringer wrote:
> > This is why mbox is _bad_. Corruption etc also tends to trash the entire
> > mailbox, rather than one message.
> Interestingly, when I have encountered this, it seems to have been due
> to bugs in parsing more than anything else. However, I do recall a
> period of incidents at the Guild where certain Microsoft e-mail would
> cause the delivery system (sendmail, procmail -- or perhaps it was some
> munging performed by the POP daemon) to concatenate messages together.
> In that case, the practical solution was to tell the staff member to ask
> her friend (the sender of the e-mail) to stop forwarding jokes via
> e-mail :-)
> In message <1080802016.13025.5.camel at bucket.localnet>
> on Thu, Apr 01, 2004 at 02:46:57PM +0800, Craig Ringer wrote:
> > I've been hearing a lot about dovecot lately. Is it new, or just
> > "recently risen to prominence"?
> A good explanation for "risen to prominence" has already be given, but
> just for interest's sake, I note that UWA moved to dovecot for student
> IMAP last year, for reasons including speed, and I think it has stuck
> with it. /But/ they did encounter a bug. That is my nice way of
> describing the situation. (Bernard would know a lot more about
> this than me.)
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