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

Alessandro Vesely wrote:
> Gordon Messmer wrote:
>>Mitch (WebCob) wrote:
>>>[...] Gmail uses a hardlink-like system to basically reference count
>>>messages received =EF=BF=BD saves on storage demands and makes their =
marketing
>>>needs easier=EF=BF=BD
>>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 t=
he

> No, maildrop would likely have to be enhanced. It might have a functio=
n
> to store the message as shareable or share it if it's shareable alread=
y
> rather than making a copy.

If courier/maildrop was to be "enhanced" for this then perhaps
a "virtual link" could work where a stub file with nothing much
more than a URL to the original was stored, along with a bit of
extra housekeeping meta data if needed (like a unique Delivered-To
header etc). The original copy could be stored somewhere like
/var/lib/courier/vmsg along with a simple "reference count" file
and would not be removed until its reference count obviously hit 0.

--markc


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