Announcements and discussions for Gnus, the GNU Emacs Usenet newsreader
 help / color / mirror / Atom feed
From: Patrick May <pjm@spe.com>
To: info-gnus-english@gnu.org
Subject: Re: Slow header download on one group
Date: Tue, 20 Nov 2007 09:53:33 -0500	[thread overview]
Message-ID: <m2oddpklxu.fsf@spe.com> (raw)
In-Reply-To: <b4my7ctrb8h.fsf@jpl.org>

Katsumi Yamaoka <yamaoka@jpl.org> writes:
>>>>>> Patrick May wrote:
>>      I see especially slow header downloads when accessing one
>> particular newsgroup.  Even if that group shows only a dozen unread
>> posts, it loads much more slowly than a groups with over a hundred.
[ . . . ]
>> Could fragmentation in .newsrc.eld be the source of the problem?
>
> I don't think so.  Though I haven't tried supernews.com, I guess
> there might be a big gap between old article numbers and latest ones
> in the server.  What does evaluating the following Lisp form return?
>
> (gnus-active "news.group.name")

(1122781 . 1963402)

> It says for my local news server as:
>
> (gnus-active "gnu.emacs.gnus")
>  => (57391 . 59194)
>
> but for news.motzarella.org it says:
>
> (gnus-active "nntp+motzarella:gnu.emacs.gnus")
>  => (156 . 30068314)
>
> In the later case, Gnus consumes memory wastefully and takes time
> while fetching headers even if there are no more than hundreds
> articles.

     My difference is 840 thousand or so.  Is that enough to be a
problem?

> For such cases Gnus offers a workaround.  If it is just your case,
> try setting the `gnus-newsgroup-maximum-articles' variable to a
> certain number.  For example:
>
> (setq gnus-newsgroup-maximum-articles 10000)
>
> It lets Gnus disregard old articles than the latest 10000 articles
> in all groups and work fast.

     I'll give that a try.  Thanks for the help!

Regards,

Patrick

------------------------------------------------------------------------
S P Engineering, Inc.  | Large scale, mission-critical, distributed OO
                       | systems design and implementation.
          pjm@spe.com  | (C++, Java, Common Lisp, Jini, middleware, SOA)

      reply	other threads:[~2007-11-20 14:53 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-11-19 15:17 Patrick May
2007-11-20  0:50 ` Katsumi Yamaoka
2007-11-20 14:53   ` Patrick May [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=m2oddpklxu.fsf@spe.com \
    --to=pjm@spe.com \
    --cc=info-gnus-english@gnu.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).