Hello,

on Sat, 03 Nov 2001 Hans-Werner Kneitinger:
> at 03-Nov-01 David Gerber wrote:
>>> BTW: Is the *stoneage problem* solved "fetching tons of postings when
>>> something changed on the server" ?
 
>> I couldn't reproduce it.

AFAIK this only happens in offline mode.
 
> Sometimes MDII fetches the full archive of a newsgroup. By example
> t.online.zugang.adsl holdes over 50.000 news. I dont know why this problem
> happens. With MacSoup and the Netcape Messenger I never did see this
> problem. Mybee someone delete some Spam from the news and therfor the
> message-ID's would run in troubel?

This has something to do with nntp-pointer.

<example>
On first fetch, group foo.bar has 300 articles, enumerated from 900
to 1210. --> md2 will download 300 Artikels, and put them in that
folder foo.bar. As we have just subscribed to foo.bar, this folder has
300 messages. NNTP-pointer for that group is set to 1210.

On the next fetch, that group has 30 new Articles, now counting from
900 to 1240. --> md2 goes back to 1210, fetches the next 30 articles,
and sets pointer to 1240. Now we have 30 new articles in folder
foo.bar, marked as new.

Before the next fetch, the message counting 1240 is canceled,
leaving a hole. --> after fetch, we have 329 'new' messages in folder
foo.bar, for each one 'old' and one 'new' entry, except the last.
</>

> What can I do to solve the Problem?

For now, switch from 'offline' (full article) to 'online' mode
(headers only). If you don't want to keep a permant connection to your
news server, you will now have to select all (unread) messages from
each folderview and download them manually (Download in Message menu).
Or change to a news server that doesn't apply cancel messages... ;-)

My poor sugestion for a fix: an additional history file for each news
folder, storing nntp-index and/or msg-id of each message being put to
it, indicating this not to download for this folder again. To avoid
this list from exceding to inf it should be updated from time to time,
removing entries for messages that are no longer on server.
 
> BTW: Is it possible to make a MAX-Messages for downlod field and a Request
> when mor masseges arrived for downlod as spezified? Then the User can
> spezify how many masseges he/she would download? IMO it is much better as
> downlod the hole archive with thounds of Messages.

hmm, sounds nice ;-)

Gru�,
 flori
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