Re: C y on really large groups

[Ted Zlatanov <tzz@lifelogs.com>]

On Wed, 11 May 2011 10:56:36 +0200 Didier Verna <didier@xemacs.org> wrote: 

dvl>        Got it. The problem is that I have gnus-auto-expirable-newsgroups
dvl> set to ".*". When doing a catchup, Gnus grabs the article range which is
dvl> something like (min . max) and maps over all the actual numbers in order
dvl> to add the expirable mark on each article. So no wonder it takes hours.

dvl> What's more intriguing is that this variable is not supposed to affect
dvl> nntp groups so I hadn't expected this behavior. But now that I think of
dvl> it, I realize that all my nntp newsgroups articles have the E mark set
dvl> (I can see that in the summary buffers), which does really make sense,
dvl> does it ?

You can set the E mark, but since the backend is read-only (there's a
nn* variable for this) it won't matter.  So the code on catchup that
adds the E mark should simply check the backend and skip processing if
the E mark is irrelevant.

Ted