Maintained by: NLnet Labs

[Unbound-users] howto optimize cachesize ?

lst_hoe02 at
Thu Dec 23 10:46:00 CET 2010

Zitat von Andreas Schulze <andreas.schulze at>:

> Hi,
> I'm faced with the question if my unbound's cachesize is large enough.
> The ideal size is reached, if unbound discards entries from the cache
> *only if* their ttl was expired.

I doubt that the input queries and the result sets are that static so  
it isn't really useful to get the "optimum" value at some point in  
time. For most cases it would be best to raise the RAM limits until  
the performance is as needed and add some room to grow if RAM is  

> Could anybody recommend a testplan, which values should be measured?

You might try to get something useful with

> Thanks & Merry Christmas!

Fröhliche Weihnachten