[Pdns-users] Difference between Memory Cache and Packet Cacke

Peter van Dijk peter.van.dijk at powerdns.com
Mon Jun 15 10:20:52 UTC 2015


Hello Federico,

On 10 Jun 2015, at 13:11, Federico87 wrote:

> I'm trying to do some tuning on pdns-recursor. The question is quite easy:
> what is the difference between packet cache and memory cache
> I'm talking about
>
> max-cache-ttl        maximum number of seconds to keep a cached entry in
> memory

This cache holds data gathered from authoritative servers out on the Internet.

> packetcache-ttl       maximum number of seconds to keep a cached entry in
> packetcache

This cache holds ready-to-use reply packets to send to your clients.

Kind regards,
-- 
Peter van Dijk
PowerDNS.COM BV - https://www.powerdns.com/




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