[Mailman-Developers] Improving the archives

Barry Warsaw barry at list.org
Wed Oct 3 04:47:35 CEST 2007

Hash: SHA1

On Aug 8, 2007, at 1:04 AM, Dale Newfield wrote:

> Jeff Breidenbach wrote:
>> 5.85 million messages
>> That's 0.03% if you count all the messages. It is 0.008% if you
>> discard the top three offenders, all of which I have contacted.
> I'd say that's a strong argument for just using the Message-ID and
> simplifying this tremendously...
> ...Barry, do you disagree?

No, I'm convinced.  Apologies for taking so long to respond.  The  
code in the Mailman 3.0 branch has been updated to use only the  
Message-ID.  I still think the base32-encoded sha1 hash is a good  
user-friendlier option but of course and that archivers should accept  

One question: should the angle brackets on the Message-ID  be part of  
the hash or not?  I think they should, or IOW, the entire value of  
the Message-ID header is taken as the hash, though they should be  
stripped off if using the Message-ID in any kind of archive query.   
I'm open to suggestions though... comments?

> (It can still be a base32 encoded SHA hash it to make it less user  
> hostile.)
> http://wiki.list.org/display/DEV/Stable+URLs

The wiki is down at the moment (I have a issue opened on the support  
tracker about that).  When it comes up, I'll update the page.

Thanks everyone for a very good thread, and especially for Jeff for  
doing the analysis on real data.

- -Barry

Version: GnuPG v1.4.7 (Darwin)


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