Re: [Monotone-devel] push: performace problem of the client

[Zbynek Winkler]

Nathaniel Smith wrote:

> On Fri, Jun 10, 2005 at 04:32:56PM +0200, Zbynek Winkler wrote:
>  
>
> > Hello,
> >
> > as a first step for testing monotone on a larger project I've imported 
> > the current version (no history) of our website robotika.cz. The initial 
> > commit took a while because it's about 50MB (that was to be expected). 
> > But when trying to push, the estimated bitrate is somewhere about 50kB/s 
> > (and seems to slow down to 20kB/s as it progresses) even though my 
> > uplink to the server can easily get up to 5MB/s. The CPU of the client 
> > is running 100% while the server is mostly idle.
> >
> > What is so CPU intensive on sending the data out? When reading about the 
> > netsync protocol and merkle trees I got the feeling it should be very 
> > efficient...
> >    
> Do you have any individual very large files? 
Not really. I doubt there is any one file over 0.5MB. But there are 
quite a few around 100kB (jpegs).

> There are some known
> inefficiencies in how we handle our network buffering that get really
> triggered by large files... (There's a patch waiting to be merged that
> should help.)
>  
Ok, I'll try it.

Zbynek

--
http://zw.matfyz.cz/     http://robotika.cz/
Faculty of Mathematics and Physics, Charles University, Prague, Czech Republic