Mailinglist Archive: opensuse (1420 mails)

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Re: [opensuse] optimizing resolv.conf
On 1/4/2014 3:31 PM, Carlos E. R. wrote:
And it also seems that postfix doesn't use nscd, although a simple config
change solves that; other apps also do not use nscd and they can't
be made to use it, apparently. Thus disabling nscd and using dnsmasq as I do
means that all queries would go to dnsmasq and the global hit
ratio should increase.

That assumes that dnsmasq does not also have some built in way to go around it.
(I really don't know).

There comes a point, especially in things like spamassassin that use DNS hits
to evaluate spam hashes, where adding
stuff to the cache is counter productive. After all, inbound email (especially
spam) does not need to be
instantaneous, and the few seconds longer that it takes amavis/spamassassin to
send hashes to cloudmark and other
RBLs won't hurt you.

But web site address caching helps all users.

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