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c-ares and effect on resolve times

From: Pieter Ennes <pieter_at_watchmouse.com>
Date: Tue, 29 Jun 2010 23:09:58 +0100

Hi all,

We're currently using curl with c-ares disabled, but have a feeling
that we are seeing relatively high resolve times. I'm looking for
reasons to favour c-ares or not.

What would be the effect of using c-ares w.r.t. resolve performance
when considering the resolves for a typical webpage load (incl.
embedded assets)? Does c-ares by-pass the OS entirely? And finally,
does curl do normal gethostbynames when c-ares is disabled?

Thanks!

-- 
 - Pieter
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Received on 2010-06-30