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From: Jason L Tibbitts III <tibbs@math.uh.edu>
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Subject: Re: Gnus gets terribly slow when exiting high-traffic groups
Date: Thu, 05 Feb 2015 18:47:15 -0600
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>>>>> "LI" == Lars Ingebrigtsen <larsi@gnus.org> writes:

LI> That group info seems incomplete.  The "unexist" list is empty,
LI> which means that Gnus thinks that all those read articles exist on
LI> the server, so it tries to expire them.

That's what I figured.

LI> `M-g' on the group should fix this, however...

And indeed it did.  I expect that it fixed the last one, too.  I'll just
do that over all of my groups and if I can find another one that's slow
even after that, I'll worry about it then.

 - J<