Re: make it easier to use nnml for archive groups

[Dan Nicolaescu <dann@gnu.org>]

Ted Zlatanov <tzz@lifelogs.com> writes:

> On Wed, 20 Oct 2010 08:31:47 +0200 Reiner Steib <reinersteib+gmane@imap.cc> wrote: 
>
> RS> On Tue, Oct 19 2010, Andreas Schwab wrote:
>>> Lars Magne Ingebrigtsen <larsi@gnus.org> writes:
>>> 
>>>> Unless somebody objects, I'm going to make the archive group default to
>>>> the following:
>>>> 
>>>> ((concat "sent."
>>>> (format-time-string
>>>> "%Yw%U" (current-time))))
>>> 
>>> aka (format-time-string "sent.%Yw%U" (current-time)).
>
> RS> I think one group per week is not a good choice.  I don't think many
> RS> people are able to remember "I wrote this mail in week no. 42".  And
> RS> many user run a Gnus session over week boundaries, I guess (I assume
> RS> the value is set only at Gnus startup).
>
> RS> I'd suggest one group per year (or month).  And offer "per week,
> RS> month, year" as predefined choices in customize.
>
> How about these choices:
>
> "%Y-%m"    ; 2010-01
> "%Y-%m-%d" ; 2010-01-01
> "%Y-%B"    ; 2010-October (as per locale)
>
> I would not use the week number in any way.  I don't know anyone who
> remembers the week number 3 months ago, so it's just a hash bucket.

One archive per month is too much too, after about 3 years there's too
many groups, and there's no way to automatically compact them.
One archive per year is better, the only limitation is that the
nnfolder default would blow up really really fast.