[Pdns-users] no default cache-limit in pdns recursor?

bert hubert bert.hubert at netherlabs.nl
Tue Sep 25 19:42:36 UTC 2007

On Tue, Sep 25, 2007 at 12:58:15PM +0200, Rudolph Bott wrote:
> Hey List,
> does the powerDNS recursor limit itself to a reasonable amount of cache 
> entries if you do *not* set the relevant parameter in recursor.conf? We had 

No, it doesn't. 1 million entries is generally more than enough. This might
be a reasonable default for the next release.

> On top of that, i just noticed that apparently the recursor keeps more than 
> max-cache-entries in memory:
> stats: 429816539 questions, 503914 cache entries, 24045 negative entries, 
> 66% cache hits

It can execeed the limit slightly, because this is more efficient.

Good luck!

http://www.PowerDNS.com      Open source, database driven DNS Software 
http://netherlabs.nl              Open and Closed source services

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