[Pdns-dev] client based cache
Ask Bjørn Hansen
ask at develooper.com
Tue Jan 4 06:39:18 CET 2011
On Jan 1, 2011, at 6:15, Du, Jerry wrote:
> cache on, the DNS server always responsed the record in cache directly no
> matter the client's location.
> I know turn off the cache would fix this issue but it would incrase CPU for
> sql query. Can we have a key in cache to record client's DNS IP? Or anyone
> have a way to get this in control?
How often do you get multiple queries for the same name from the same IP? Would you really get a significant cache hit ratio?
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