Thanks Josh,

Interesting. I see you use MySQL. Has anyone used SQLite on a single
server? I'm curious to know how it performs, it must be really good.
Anyway, I'm searching for a web hosting company that offers DBMail and
I can't find any in the first 5 search results of Google. Are there
any at all? :(
Setting up a page on dbmail.org that lists the few companies that
offer DBMail would be a good idea, I think.
Thanks,

-- 
Charles A. Landemaine.



On 12/6/07, Josh Marshall <[EMAIL PROTECTED]> wrote:
> Hi Charles,
>
> YouTube have very large files, which rarely get modified or deleted, and
> the time to transfer between servers doesn't matter.
>
> Email is very different. If an email comes in on one server, it needs to
> be immediately available to all servers, including all the attachments.
>
> The way that DBMail handles the emails is excellent in my opinion. It
> uses constraints so that if an email is deleted, the attachments etc
> also get deleted. So no messy code in the software to manage what
> attachments are where.
>
> The problem with having the data split between the database and the
> filesystem is that you can't guarantee that any backup is valid unless
> you shut the system down or use snapshots. And then you can't do
> point-in-time recovery, so any restore from backup you do will lose data.
>
>  From my tests, the DBMail system is quite fast, not as fast at
> delivering over network as NFS or locally as direct to the filesystem,
> but definitely a lot faster when reading (which is what matters most) as
> it can just pull the headers out without having to scan through files.
>
> Regards,
> Josh.
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