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

[Nathaniel Smith]

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?  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.)

-- Nathaniel

-- 
Details are all that matters; God dwells there, and you never get to
see Him if you don't struggle to get them right. -- Stephen Jay Gould