Cache DNS queries

[Robert Collins]

On Fri, 2006-05-26 at 16:05 -0500, John Arbash Meinel wrote:
> Hi everybody- (Hi Dr. Nick)
> 
> I was looking into the DNS querying issues because someone just
> submitted a bug on it. And I tracked down that each HTTP connection
> calls socket.getaddrinfo, which involves a full DNS query. Which turns
> out to be a major bottleneck.
> 
> So I wrote a plugin which just monkey patches socket.getaddrinfo so that
> it caches the results in a dictionary.

I think that that isn't a good solution, it will interact badly with
things like long lived servers that happen to import bzrlib.

We discussed this on IRC: we should solve this, curl has an API to do it
I believe, and urllib can do it if we derive an appropriate opener.

Cheers,
Rob
-- 
GPG key available at: <http://www.robertcollins.net/keys.txt>.
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