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From: Michael Welsh Duggan <md5i@md5i.com>
Newsgroups: gmane.emacs.gnus.general
Subject: Large IMAP servers and active files
Date: Mon, 03 Sep 2012 12:51:39 -0400
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Current git of Ma Gnus.

I want to subscribe to a couple of groups on an IMAP server which has
thousands of public groups.  My current situation is: only the groups I
care about are in gnus-newsrc-alist.  All other groups on the server are
in gnus-killed-list.  gnus-check-new-newsgroup is nil, and
gnus-read-active-file is 'some.

Unfortunately, I get bogged down when gnus attempts to do an EXAMINE on
every single group on the server.  Some of the groups are causing the
(cyrus) server some problems, and I have let this run for hours without
completion.  Any suggestions?

-- 
Michael Welsh Duggan
(md5i@md5i.com)