[Dovecot] dbox support state

[Timo Sirainen]

On Thu, 2006-12-21 at 12:09 -0500, Bill Boebel wrote:
> On Thu, December 21, 2006 11:24 am, Timo Sirainen <tss at iki.fi> said:
> > 
> > One optimization left for it would be to not store flags and keywords to
> > the dbox files at all, but keep everything in index files. Once I get
> > that implemented, I'll start benchmarking it. Of course the problem with
> > that is that it relies on index files completely then.
> > 
> 
> With dbox, have you considered having one collection of dbox files per namespace, rather than one collection of dbox files per mailbox/folder, and then use indexes to track which emails belong to each mailbox/folder?  This would drastically speed up copying between folders, because you'd just update the index rather than writing the copied email to a new dbox file.

Haven't thought about it before but yes, it would speed up copying a
lot, since hardlink-copying isn't really possible with dbox.

Another thing that was kind of in TODO was an optional global attachment
store, so people could send these company-wide 100MB attachments without
the mail server dying.

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