[Dovecot] mbox vs. maildir storage block waste

[Charles Marcus]

On 2012-10-29 5:42 PM, Timo Sirainen <tss at iki.fi> wrote:
> On 29.10.2012, at 23.15, Christoph Anton Mitterer wrote:
>
>> btw: What are the actual advantages of sdbox over maildir?
>   * Not moving files from new/ to cur/ directory
>   * Not renaming files when changing message flags
>   * Not readdir()ing directories (although maildir_very_dirty_syncs=yes helps a lot with this)
>
> Basically less disk I/O and making it possible to have mailboxes with a huge number of messages without everything slowing down horribly.
>

I had been wanting to ask about this too...

So... what are the disadvantages?

-- 

Best regards,

Charles