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Subject: Re: re-indexing archives (was Re: setting umask for archives ...)
From: Jason L Tibbitts III <tibbs @ math . uh . edu>
Date: 07 Sep 2000 14:25:53 -0500
To: majordomo-workers @ GreatCircle . COM, mj2-dev @ csf . colorado . edu
In-reply-to: SRE's message of "Thu, 07 Sep 2000 11:09:36 -0700"
References: <SRE's message of "Thu, 07 Sep 2000 10:27:06 -0700"> <Brock Rozen's message of "Thu, 7 Sep 2000 16:31:09 +0200 (IST)"> <Pine.LNX.4.21.0009071629270.19551-100000@rina.torah.org> <4.3.1.0.20000907102358.00b84870@pop.climber.org> <4.3.1.0.20000907110357.00b77940@pop.climber.org>
User-agent: Gnus/5.0803 (Gnus v5.8.3) Emacs/20.7

>>>>> "S" == SRE  <eckert@climber.org> writes:

S> That could only happen if I were editing the archives as the builder was
S> running, no?

No.  It would happen any time you delete a whole message out of an archive,
since the succeeding message numbers will be shifted down by one when you
reindex.

>> Message numbers are supposed to be _persistent_.

S> Why?

Because we have lots of uses for them.  They get stored in the digest
structure and are used to pull out the message when the digest is built.
They get inserted into the headers of each message.  Digests of type
'index' include them.  When we are doing web archives on the fly, we'll use
them as article IDs (i.e. we keep an index page up to date and when someone
clicks on an article, it is retrieved, formatted, displayed and cached so
we don't have to retrieve it again).

 - J<



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