Re: Migrate message flags to cyrus

From: Michael Menge (no email)
Date: Mon Mar 13 2006 - 04:25:40 EST

  • Next message: Bartosz Jozwiak: "Set inactivity timer pop3d.c"

    Sorry for waiting so long,

    original imapsync-1.140 needed 40 min for 5x 100MB mail
    patched imapsync-1.121 needed 35 min for 5x 100MB mail
    mailutil needed 13 min for 10x 100MB mail

    imapsync is consuming much more CPU Time and needs much more memory so
    that you cant run more than 5 instances parallel.

    i think mailutil is faster and needs less memory because it is written in C

    imapsync is more options to rename and change folder names, so if you
    don't need the sped of mailutil, imapsync is still a good choice.

    Aleksandar Milivojevic wrote:
    > Quoting Michael Menge <>:
    >
    >> The best way to perserve the flags is by transfering the eMails over
    >> the IMAP-Protocol. There are severel tools to do this job. Most of
    >> them are written to sync two ore more mailfolders.
    >>
    >> As far as i have tested them there was no perfect ore even best
    >> migration tool.
    >>
    >> We will use the mailutil programm which comes with the uw-imap server.
    >> It was the fastest programm and it keeps the flags.
    >
    > Another tool that I used for "small" migrations was imapsync. Michael,
    > I beleive I sent you my patched version of imapsync. Could you tell me
    > what was a speed difference between imapsync and mailutil that you
    > observed? I'll need to move one huge mailbox in near future, so just
    > wondering if it would make sense using mailutil for this job instead of
    > imapsync.
    >

    -- 
    --------------------------------------------------------------------------------
    M.Menge                                 Tel.: (49) 7071/29-70316
    Universitaet Tuebingen                  Fax.: (49) 7071/29-5912
    Zentrum fuer Datenverarbeitung          mail: 
    Waechterstrasse 76
    72074 Tuebingen
    
    


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