Re: [Monotone-devel] Merging branch to allow duplicate key names, have certs use key hash

[Timothy Brownawell]

On Sun, 2009-08-23 at 09:54 -0400, address@hidden wrote:
> On Sun, Aug 23, 2009 at 07:43:04AM +0200, Richard Levitte wrote:
> > In message <address@hidden> on Thu, 20 Aug 2009 19:37:08 -0500, Timothy 
> > Brownawell <address@hidden> said:
> > 
> > tbrownaw> On Fri, 2009-08-14 at 05:04 +0000, Timothy Brownawell wrote:
> > tbrownaw> > I think branch net.venge.monotone.keys-by-hash is ready now.
> > tbrownaw> > 
> > tbrownaw> > The central change is that certs contain a key hash
> > tbrownaw> > instead of a key name, to get rid of the problem with key
> > tbrownaw> > collisions.
> > tbrownaw> 
> > tbrownaw> > This does require a netsync flag day, because certs on the
> > tbrownaw> > wire contain a key hash instead of a key name now (just
> > tbrownaw> > like certs in the db).
> > tbrownaw> 
> > tbrownaw> This is merged now.
> > 
> > Cool!
> > 
> > I wonder, what do you propose for a flag day for our repository?
> > (and lets not forget to announce it clearly on http://monotone.ca/ and
> > to make sure there's ample time for people to adapt, rebuild, yada
> > yada yada)
> 
> Since it seems to be a flag day for the netsync protocol, and not for 
> the database format (have I got this wrong) it would be possible to set 
> up two monotone servers (one for the old and one for the new 
> protocol) on a machine with two IP numbers, both operating on the very 
> same copy of the data base .... no.  the server locks the data base, 
> doesn't it.

There is a schema change, but it doesn't require history to be rebuilt.

> Then have two servers for the general public to use during transition, 
> and during that time, someone, somewhere, regularly syncs one local copy 
> with each server (using a different version on monotone to access 
> each server).
> 
> Then there will be a transition period of parallel operation, during 
> which users can sync and rebuild their monotones at leisure.
> 
> -- hendrik
> 
> 
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