Re: [Monotone-devel] Re: Project separation

[CooSoft Support]

Lapo Luchini wrote:
> CooSoft Support wrote:
>   
> > Hmmm just a thought... But at work we are using 0.39 (can't use a later
> > version as the schema changed and the latest monotone-viz just runs too
> > slow (pre 0.40 one could use the direct access to db version of
> > monotone-viz)).
> >     
>
> I wonder how much would it take to update the "direct access" code; the
> schema has changed, but not *that* much... but you're using a pre-1.0
> monotone-viz, I guess, or is direct access still in there, just not used
> by default?
>   
Yup pre 1.0. I remember thinking `oh great that means I won't have to 
recompile it again etc'... until I ran it up... :-(. Presumably all it's 
doing on the mtn front is a graph and then querying the revisions to get 
certs etc, neither of which are slow (mtn-browse can do 1000's of 
revisions in a few secs). Trouble is it is written in Ocaml and it is 
completely impenetrable, to me at least, otherwise I would have had a 
good look and found out what was causing the issue. I thought it might 
be that the mtn subprocess was restarted on each call but apparently 
that is not the case.

> > Anyway we have about 18k revisions, 10k tags and about 4k branches
> > (guess from memory). Doing a full sync on the entire db with no changes
> > to propagate takes about 10mins. However if you just sync the release
> > branches (~200 branches) then that takes about 15 seconds but as Lapo
> > says pulls in about 99% of the branches just not their certs.
> >     
>
> 10 mins versus 15 seconds? Wow! 0_o
>   
I'll do some timings - remembering how long you wait for something is 
very subjective... Especially if you are in a hurry!

Cheers :-)

Tony.