nscd cacher problem

JD jd1008 at gmail.com
Thu Jul 1 18:49:24 UTC 2010

  On 07/01/2010 11:38 AM, Jurek Bajor wrote:
>    On 07/01/2010 10:42 AM, Tom Horsley wrote:
>> Unfortunately, enabling or disabling IPV6 doesn't seem to have
>> much to do with the library doing V6 DNS lookups. I could
>> swear there was something added to nsswitch.conf or resolv.conf
>> that you could set to disable v6 dns requests, but I can't
>> remember what it was called.
>> I run bind as a caching nameserver, forwarding lookups to my
>> ISP's server and set the -4 option on the command line to
>> make it stick to ipv4 and all my DNS lookup problems vanished.
>>>   bind is too complex to run and maintain.
>>>   Really, it is a huge overkill for what I need.
>>>   I hope nscd authors will fix it soon so it does not
>>>   purge it's cache every few seconds. I check'ed it's
>>>   config file and the
>>>   restart-interval        3600
>>>   seems reasonable.
> Hi,
> I think that the default "restart-interval        3600", that is 3600
> secs = 1hr,
> is a low/impractical value. I mean you want to keep your cache for much longer,
> perhaps a week or more ... It is why one wanted it in the first place.
> Btw, there is a very good alternative (to BIND, etc) for DNS caching, namely
> dnsmasq package. It is simpler, easier on resources.
> I switched from bind to it and it serves me well.
> It is part of F13, used in other distros (Slackware, etc).
>> yum info dnsmasq
> Jurek
Is there a way to query nscd and ask it what's in it's cache?

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