[Pdns-users] Number of entries can be stored in cache in pdns_recursor?
Paul.Sun at syniverse.com
Wed Jun 13 13:30:19 UTC 2012
Thank for your reply. but not quite understand your meaning. How I can do
the rec_control dump with 1 million record?
Peter van Dijk-6 wrote:
> Hello RBK,
> On Jun 13, 2012, at 11:03 , RBK1001 wrote:
>> I would like to know what is the size of the cache that can be used for
>> storing the entries in pdns_recursor?
>> I used below command to start the pdns_recursor
>> /usr/sbin/pdns_recursor --local-address=192.168.208.76 --local-port=5300
>> --log-common-errors=yes --logging-facility=7 --max-cache-ttl=14400
>> my backend has 1 million records, so by rite if I generate 1 million
>> individual request, I should have 1 million entries in cache, however,
>> I used rec_control to check, it is always around 100xxx records only.
> --max-cache-entries defaults to one million. The TTL on your entries could
> be a factor, however. max-cache-ttl provides an upper bound on caching; a
> record with a TTL of 60 in the response will still only be cached for 60
> Kind regards,
> Peter van Dijk
> Netherlabs Computer Consulting BV - http://www.netherlabs.nl/
> Pdns-users mailing list
> Pdns-users at mailman.powerdns.com
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