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Re: [leafnode-list] maxcrosspost < 5 ??
Mike Vanecek schrieb am 2003-04-26:
> According to the config file it is dangerous to set maxcrosspost to less than
> 5. Would someone please explain why and the potential impact of doing so?
Some people persistently crosspost to many groups (although someone
should feed them some clue), and people posting followups usually reduce
the crosspost to 1 or 2 or at least put a proper Followup-To: header, so
what might happen is that you see replies, but not original posts.
Given that leafnode doesn't fetch the article for each of the
crossposted groups, but fetches and stores it once and then creates hard
links for the crossposted groups (that take up neither inodes nor disk
blocks, they only take room for the file name), this is not a problem.
You get one download for the five groups altogether if the article is
posted to five groups. You're not wasting modem/network bandwidth or
disk space. The other mail I've just written already points to
"create_all_links = 0" if you find crossposts to groups you haven't
subscribed to annoying. Groups you haven't subscribed to can only
carry articles that have also been crossposted to a group that has been
Note though that "create_all_links = 0" is the default, so if you don't
have a create_all_links line in your "config" file, there's nothing you
need to do. Lines beginning with a "#" character don't count -- they are
comments which are ignored by leafnode/fetchnews.
> I was going to set it to zero to see if that would reduce the amount of groups
> not listed in interesting.groups.
Groups get added to interesting.groups if the newsreader reads an
article from a group. The group list is entirely separate of that, it's
in /var/spool/news/leaf.node/groupinfo, but it doesn't affect which
groups are being downloaded at "fetchnews time".
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