[dns-operations] Opinions sought .... have I come to the right place?

David Conrad drc at virtualized.org
Thu Nov 7 15:45:42 UTC 2013


Stephan,

On Nov 7, 2013, at 7:33 AM, Stephan Lagerholm <stephan.lagerholm at secure64.com> wrote:
> Keep in mind that most cache system are using Least Recent Used Algorithm for their cache without any removal of expired records.  
> So the reason that stuff gets thrown out is not because of TTL expiry, but rather because the cache is full.

That's a very interesting assertion. Do you have more data on this, e.g., how much memory is consumed, whether it is being consumed for positive or negative caches, etc.? It could have interesting implications with regards to adding new TLDs...

Regards,
-drc

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