Re: [courier-users] Question about storage architecture? Hardlinksfor

Gordon Messmer wrote:
> =

> Mitch (WebCob) wrote:
> > [...] Gmail uses a hardlink-like system to basically reference count
> > messages received =96 saves on storage demands and makes their market=
ing
> > needs easier=85
> >
> > Could something similar be accomplished with courier (not the marketi=
ng
> > =96 just the storage savings!)
> =

> I don't think it can be accomplished without a massive and fundamental
> change to courier. On a unix fs, a hard link is just a reference to th=
e
> destination file. The link points to an inode which contains permissio=
n
> data, etc. Either the first user to receive the message would have
> permission to modify it, or no one would. The latter would require tha=
t
> the entire system drop the unix security model and start storing
> messages either in a central location, or in a DB like Exchange.
> Maildrop would likely have to be removed from the system, as well.

No, maildrop would likely have to be enhanced. It might have a function
to store the message as shareable or share it if it's shareable already
rather than making a copy.

Not that I think it is worth. Better ways to save storage may be to store=

attachments using binary encoding, to use compression on files that have
not been searched in the last NNN days, et cetera.


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