[Dovecot] Great time savings backing a mdbox versus Maildir

Timo Sirainen tss at iki.fi
Wed Feb 9 00:43:59 EET 2011


On 9.2.2011, at 0.28, Javier de Miguel Rodríguez wrote:

> Hello
>> Hmm. I guess if you were doing backups 24h/day, then you can't really say how much faster mdbox performs than maildir (outside backups)?
>> 
> 
>    No, 24 hours is for a FULL backup in the weekend. An incremental backup is only 2-3 hours in the night every day.
> 
>    About performance... I can not give you real numbers of Maildir vs mdbox. In Maildir our indexes were stored in a ram disk, but we can not do that with mdbox (we can not recreate them if power is lost).

So with mdbox disk I/O usage increased compared to maildir+ramdisk indexes?



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