Recommended value for max-cache-size for cache-only shared hosts..
mgraff at isc.org
Fri Jun 1 03:17:36 UTC 2012
Hmm, I don't quite think this is a good idea. BIND 9 (since 9.5) manages memory quite well, but it will happily consume all you have and go into swap.
I'd set it high enough (on a dedicated machine) to use plenty of RAM, but low enough to not cause other OS components to swap out or BIND itself to swap. 75% or 85% range seems like a good starting point.
On May 31, 2012, at 8:18 PM, Doug Barton wrote:
> On 5/31/2012 1:51 PM, blrmaani wrote:
>> what is the recommended configuration for 'max-cache-size' for optimum
>> usage ?
> You should not restrict the size of the cache at all if you want the
> best performance. BIND will use as much memory as it needs in order to
> satisfy the requests of your users.
> If you're never wrong, you're not trying hard enough
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