News123 wrote:
Yhanks  a lot I'll check whether this is the root cause.

Currently my machine could live without IPV6


bye

N


Gabriel Genellina wrote:
En Thu, 04 Feb 2010 19:34:20 -0300, News123 <news...@free.fr> escribió:

I wrote a small xmlrpc client on Windows 7 with python 2.6

srv = xmlrpclib.Server('http://localhost:80')

I was able to perform about 1 rpc call per second


After changing to
srv = xmlrpclib.Server('http://127.0.0.1:80')

I was able to perform about 10 to 16 rpc calls per second.

So it seems, that under windows 7 the host name lookup occurs for every
RPC call
Not necesarily. There is another difference: 127.0.0.1 is an IPv4
address, localhost maps to both IPv4 and IPv6 addresses (::1)

I vaguely remember a problem with that - IPv6 is tried first, doesn't
work, only then IPv4, and that slows down the whole process.
Try disabling completely the IPv6 stack, if you don't need it.

Or you can simply use an explicit external address. Most of the time xmlRPC server/clients are used between distant machines. If your are using localhost for test purpose, then binding your server on its external IP instead of the local one could solve your problem (wihtout removing the IPV6 stack).

import socket

# server
server = SimpleXMLRPCServer((socket.gethostname(), 5000), logRequests=False, allow_none=True)


# client
xmlrpclib.ServerProxy("http://%s.yourdomain.com:%s"; % (socket.gethostname(), 5000))

JM

PS : please don't top post :o)
PS : just wondering if using the port 80 is legal
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