[Dovecot] Max IMAP fodlers

Jeffrey Nikoletich jeffrey at nikoletich.com
Wed Dec 9 20:08:24 EET 2009


On Dec 8, 2009, at 12:41 AM, Steffen Kaiser wrote:

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> On Mon, 7 Dec 2009, Jeffrey Nikoletich wrote:
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>> Also is there is hard limit on the amount of folders dovecot can handle? I have a user who has over 3000 folder (including subfolders) that is having issues with delays in loading, moving, and deleting messages.
> 
> I cannot believe that ext3 chokes on just 3000 directory entries in such situation. I would think that one would notice the same with 20,000 messages per mailbox.
Yeah... like i said... it is really "weird"
> 
> How about really use another mail client for testing, as Marcus suggested, e.g. some brain-dead MUA, that does not try to be smart, for example Alpine or Mutt :)
I have tried... macmail. outlook, thunderbird, entourage... I havent tried mutt but I will now.
> 
> Also, try to log the session, maybe the user watches all 3000 folders for changes. So they all will be selected in a (short?) period of time again and again. Maybe a firewall in between is casuing a throttle, because of too many connections or something?
I have an strace running on the process now just as Timo suggested.
> 
> Regards,
> 
> - -- Steffen Kaiser
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