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List:       fedora-devel-list
Subject:    Re: gethostbyname() and resolv.conf updates
From:       Stephen Gallagher <sgallagh () redhat ! com>
Date:       2010-06-18 14:12:34
Message-ID: 4C1B7ED2.2010703 () redhat ! com
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On 06/18/2010 09:59 AM, Colin Walters wrote:
> On Fri, Jun 18, 2010 at 9:56 AM, Stephen Gallagher<sgallagh@redhat.com>  wrote:
>>
>> Sorry, my reply was more directed against the assertion that NSCD should
>> be mandatory to solve this without changes to glibc. I agree that it
>> would be ideal for gethostbyname() to internally perform a res_init()
>> when appropriate.
>
> Ok, then we agree.  I don't personally care whether it's NSCD or a
> magical oracle as long as our operating system's gethostbyname()
> function actually functions on mobile devices.  (Caching DNS would be
> a huge bonus, as other operating systems do this and us not doing so
> makes the internet "feel" significantly, visibly slower compared to
> them, but that's a separate bug)

Well, I definitely care that it's not NSCD, as NSCD is such a broken 
caching mechanism that basically everyone turns it off in any 
environment where reliable caching is needed (and is also a large part 
of the reason SSSD was developed - to produce a stable cache).

If we start asserting that everyone has to use NSCD in order to get 
stable gethostbyname(), then clearly someone is missing the point.
-- 
Stephen Gallagher
RHCE 804006346421761

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