Re: migration of Maildir to new system. Also advice wanted on performance
Thanx for the reply Jim, but please post to the list so everyone can read :).
Anyway, is there anyone who can answer my other questions? How big is
the performance gap between Maildir / Cyrus? Is it worth it?
Thanx!
Pim
On Wed, 7 Jul 2004 14:20:40 -0500, Jim Thompson <kzinti@gmail.com> wrote:
> I had the same decision to make over a year ago, and chose the Courier
> IMAP and Maildir. I've been very happy with it. Maildir has a lot of
> advantages, given that it's become a de facto standard way to operate
> on e-mail archives. Other apps like getmail and procmail can drop
> messages directly into my IMAP archive without knowing it's an IMAP
> archive.
>
> You can mitigate the performance problem of large folders by using the
> Reiser filesystem, which can efficiently handle large directories of
> many small files. (I've never measured or observed this performance
> myself, as I do not any very large folders).
>
> --Jim
>
>
> On Wed, 7 Jul 2004 21:07:47 +0200, Pim Bliek <pim.bliek@gmail.com> wrote:
> > Unfortunately I didn't get a reply earlier, so maybe my questions were
> > too vague or mail-guru's are on holiday :). Anyway, I will try to make
> > it more clear which way I am thinking.
> >
> > I did some hours of research and for me the choice comes down to these
> > alternatives for IMAP:
> >
> > Courier-IMAP <--> Cyrus-IMAP
> >
> > Pro's for Courier:
> > - I already have it
> > - Easy to config
> > - Maildirs
> >
> > Con's for Courier:
> > - It is SLOW when Maildirs grow
> >
> > Pro's for Cyrus:
> > - Faster (???) storage system of mails
> >
> > Con's for Cyrus:
> > - Own format for storage
> > - More complex (???)
> >
> > Obviously, I've got some questions left. I am ready to take a plunge
> > into Cyrus (it is new to me) if it is *a lot* faster than Maildirs.
> > Now I've got Folders with 50 MB or so in and it takes 5-10 seconds to
> > load, with Courier-IMAP eating all my CPU and disk...
> >
> > On the other hand, I'd prefer to stick with my current stuff since I
> > now it. So this makes it Postfix + Courier again.
> >
> > One last consideration for me is a nice web-based admin tool for
> > virtual domains and virtual users. I would like to store the info in
> > LDAP or MySQL. I had quite some issues with OpenLDAP in the past so I
> > guess MySQL is preferred for me. I did see a lot of web based stuff,
> > but not for Postfix.
> >
> > Another solution might be to store the mails itself also in MySQL (Or
> > Postgres)? I didn't see much info on this on the net, but it seems
> > possible. Anyone tried this? Is this working? How about speed and ease
> > of management?
> >
> > Thanx a lot for you help, ideas and tips in advance.
> >
> > Pim
> >
> > On Tue, 6 Jul 2004 21:23:04 +0200, Pim Bliek <pim.bliek@gmail.com> wrote:
> > > Hi,
> > >
> > > Currently I am hosting my mail on an old box at home. It has quite a
> > > new disk though, an 80 GB WD. However, my Maildir is BIG (288 MB now)
> > > and it is DOGSLOW. Next week I will get my own Debian Stable dedicated
> > > server at my ISP (YEAAAAH! ;)).
> > >
> > > I would love to get some good suggestions on how to proceed. Currently
> > > I am running Postfix, procmail, Courier-IMAP, Courier-POP,
> > > POP-before-SMTP, amavisd-new, clamav and spamasssassin.
> > >
> > > I would like to have a more flexible setup. I basicly need:
> > >
> > > - easy config for users with own domains (web based?)
> > > - FASTER Maildirs (Courier is SLOW)
> > > - Virtual domains support
> > > - IMAP-SSL support (don't want it unencrypted anymore of course)
> > > - Should run on Woody (Stable)
> > >
> > > Nice to haves:
> > > - Storing all authentication and other admin stuff in some database or LDAP?
> > >
> > > I did Google around for some time now, but I get loads and loads of
> > > info and everybody says that mailserver X or Y (which they are of
> > > course using) is the best. I would love to get some good advice.
> > >
> > > Thanx in advance for all your suggestions! Hopefully I am not asking
> > > too much :).
> > >
> > > Pim
> > >
> >
> >
> > --
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> >
>
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