[p4] p4 sync

[Robert Cowham]

Depending on latency between server and proxy, and also the number and size
of the files being sync-ed, I have seen the proxy performance range from 15%
to 110% (but not 200%) of the time of a sync directly with the server!

Thus YMMV!!

I think some improvements in the dialog/protocol between proxy and server
are certainly possible at the cost of some extra complexity. The more people
ask for this sort of thing (with evidence to show particular configurations
etc), the more likely it is to be addressed...

Robert 

> We did some in-house testing when we set up our first proxy.
>    - Direct sync from the server was = N minutes
>    - With no data on the proxy, sync time was 2*N minutes.
>    - With the proxy already holding the data, sync time was 
> ~N/2 This was with a very loaded server. So I would not 
> depend on the last number, and the second value is highly 
> dependent on the bandwidth and latency of the network between 
> the main perforce server and the proxy server.
> 
> 	I hope that helps.
> 
> 		marc