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From "William A. Rowe, Jr." <wr...@rowe-clan.net>
Subject RE: mod_disk_cache backward compatibility? Re: [PATCH] [UPDATED] Re: Cached response: 304 send as 200
Date Fri, 13 Sep 2002 19:51:51 GMT
At 02:42 PM 9/13/2002, Bill Stoddard wrote:
> > Kris Verbeeck wrote:
> >
> > Thanks!  One more issue before I commit this...
> > The change will require that users clear their file
> > caches.  Can any of the mod_cache hackers give me a
> > second opinion on this?  Since mod_file_cache is still
> > in experimental state, it reasonable to just make the
> > change and document the need to clear one's file cache
> > when installing 2.0.4.  Or do we need to provide some
> > automated checking for this in mod_disk_cache (like
> > adding a magic number and format version number in
> > the file header)?
>
>Document the change and inform folks to clear their file cache.

Folks don't read the docs.  We know it, just look at the bugzilla
database.  A magic number is much more appropriate, and will
make it possible to update or read old formats in the future.

Bill


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