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Re: [Nmh-workers] What are and what should be the qualifications for a c

From: Ralph Corderoy
Subject: Re: [Nmh-workers] What are and what should be the qualifications for a current nmh user
Date: Tue, 11 Nov 2014 12:13:31 +0000

Hi Lyndon,

> > Or perhaps the time has come to switch stores to one with a similar
> > structure to upasfs's?
> Upas' "store" is a single flat mbox file.  The magic is that upasfs is
> a file server that interprets the contents of the mbox file on the fly
> and presents the file's contents in an alternative form.

Yes, I'm aware of that.

> You could never store messages in the format upasfs exports.

You state impossibility.  Could you explain why it's impossible?  We may
not want all of the redundancy upasfs provides, but a new message store
that duplicates some of the information, e.g. providing raw as-received
email and separate decoded, one-per-line, headers file, seems possible.

> That said, I have modified upasfs to use an MH-style back-end message
> store with an accompanying per-folder meta-data cache.  This work was
> done to solve upasfs' scaling problems (it stores everything in
> memory), and to speed up meta-data operations when the host running
> upasfs imports /mail from a far-away file server.

Having upasfs itself, or something like it, would require a dependency
on 9P though?  Is that now standard on nmh's platforms?

Cheers, Ralph.

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